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BMW 4 Series
2018 | 3.0 435d M Sport Auto xDrive Euro 6 (s/s) 2dr
EK68LPY
41,671 miles
Automatic
Diesel
3.0L

BMW 4 Series

2018 | 3.0 435d M Sport Auto xDrive Euro 6 (s/s) 2dr
EK68LPY
ID: 291750
41,671 miles
Automatic
Diesel
3.0L
Blue
Favourite
Print
This car is located at Big Motoring World Enfield.
Pay in full
£1,536
Below market value
Only
£20,700
New car cost: £51,380 | Included options: £0
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Fully refundable £99
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The condition of your car will have a large influence on its value. We've assumed your car is in excellent (showroom) condition.
Quotation Valid for 7 Days
The guide price we provide will give you a good idea as to what your car might be worth. However, many factors can influence the price, such as the overall condition and the number of owners. Our estimate is subject to viewing and is based on your car being in an excellent showroom condition. See what determines a cars condition below.
What determines a cars condition?
Showroom condition
There is no damage to the bodywork, wheels, tyres and interior. • There is no damage to lights, glass and mirrors. • All tyres are at a legal limit and are safe. • The vehicle has a current MOT and has at least six months to run. • The vehicle has a full, documented service history. • There is no outstanding finance on the vehicle. • The vehicle is not a write-off (category C, D, S or N vehicle). • All documentation and keys are present.
Good condition
Minor or cosmetic damage can be found on the bodywork, wheels, tyres and interior. • Minor or cosmetic damage can be found on the lights, glass and mirrors. • The tyres are at a legal limit and are safe. • The vehicle has a current MOT. • There is a partial, documented service history. • There is no outstanding finance on the vehicle. • The vehicle is not a write-off (category C, D, S or N vehicle). • All documentation and keys are present.
Poor condition
Minor or cosmetic damage can be found on the bodywork, wheels, tyres and interior. • Minor or cosmetic damage can be found on the lights, glass and mirrors. • The tyres are at a legal limit and are safe. • The vehicle has a current MOT. • There is a partial, documented service history. • There is no outstanding finance on the vehicle. • The vehicle is not a write-off (category C, D, S or N vehicle). • All documentation and keys are present.
Fuel Type
Fuel Type
Diesel
Engine Size
Engine Size
3.0L
Transmission
Transmission
Automatic
ULEZ
ULEZ
Compliant
BHP
BHP
308
Mileage
Mileage
41,671 miles
0-62MPH
0-62MPH
5.2 secs
Doors
Doors
2
200 point inspection
Passed
200 point inspection
Passed
MOT
Passed
MOT
Passed
Service History
Passed
Service History
Passed
Service history dateDealershipTextMileage
15-Apr-2024Big Motoring WorldMulti Point Inspection Check Engine Oil Oil Filter41,669mi
20-Jul-2023Marshall Hampshire, Hook Brake Fluid 37,589mi
16-Jul-2021Fairfield Garage Leigh-on-SeaBrake Fluid 26,920mi
04-Aug-2020Fairfield Garage Leigh-on-Sea Engine Oil Micro Filter 15,013mi
01-Sep-2018Bmw UKPDI0mi
HPI Check
Passed
HPI Check
Passed
• Digital History Check ✔
• Not Recorded Stolen ✔
• Not Exported ✔
• Not Scrapped ✔
• Not an Insurance Write-Off ✔
• No Mileage Discrepancies ✔
2 Previous Keepers
2 Previous Keepers
Tyre Report
Passed
Tyre Report
Passed
Front Left Tyre Tread Passed
Most recent tread depth readings
Far left of tyre5.49mm
Middle left of tyre6.37mm
Middle right of tyre6.55mm
Far right of tyre5.98mm
Front Right Tyre Tread Passed
Most recent tread depth readings
Far left of tyre4.89mm
Middle left of tyre5.94mm
Middle right of tyre5.93mm
Far right of tyre5.97mm
Rear Left Tyre Tread Passed
Most recent tread depth readings
Far left of tyre6.04mm
Middle left of tyre6.94mm
Middle right of tyre6.41mm
Far right of tyre5.34mm
Rear Right Tyre Tread Passed
Most recent tread depth readings
Far left of tyre5.81mm
Middle left of tyre5.90mm
Middle right of tyre5.79mm
Far right of tyre4.51mm
200 point inspection
Passed
MOT
Passed
Service History
Passed
HPI Check
Passed
2 Previous Keepers
Tyre Report
Passed
200 point inspection
Passed
MOT
Passed
Service History
Passed
Service history dateDealershipTextMileage
15-Apr-2024Big Motoring WorldMulti Point Inspection Check Engine Oil Oil Filter41,669mi
20-Jul-2023Marshall Hampshire, Hook Brake Fluid 37,589mi
16-Jul-2021Fairfield Garage Leigh-on-SeaBrake Fluid 26,920mi
04-Aug-2020Fairfield Garage Leigh-on-Sea Engine Oil Micro Filter 15,013mi
01-Sep-2018Bmw UKPDI0mi
HPI Check
Passed
• Digital History Check ✔
• Not Recorded Stolen ✔
• Not Exported ✔
• Not Scrapped ✔
• Not an Insurance Write-Off ✔
• No Mileage Discrepancies ✔
2 Previous Keepers
Tyre Report
Passed
Front Left Tyre Tread Passed
Most recent tread depth readings
Far left of tyre5.49mm
Middle left of tyre6.37mm
Middle right of tyre6.55mm
Far right of tyre5.98mm
Front Right Tyre Tread Passed
Most recent tread depth readings
Far left of tyre4.89mm
Middle left of tyre5.94mm
Middle right of tyre5.93mm
Far right of tyre5.97mm
Rear Left Tyre Tread Passed
Most recent tread depth readings
Far left of tyre6.04mm
Middle left of tyre6.94mm
Middle right of tyre6.41mm
Far right of tyre5.34mm
Rear Right Tyre Tread Passed
Most recent tread depth readings
Far left of tyre5.81mm
Middle left of tyre5.90mm
Middle right of tyre5.79mm
Far right of tyre4.51mm
Features
Highlights
Added Extras
Specification
M Sport Bodykit
M Sport Bodykit
Full Leather
Full Leather
Media Pack Professional
Media Pack Professional
Professional Nav
Professional Nav
Sat Nav
Sat Nav
All Wheel Drive
All Wheel Drive
Heated Seats
Heated Seats
Bluetooth
Bluetooth
Parking Sensors
Parking Sensors
Touch Pad
Touch Pad
The vehicle data displayed highlights the typical specification of the most recent model of this vehicle. This specification is sourced from leading industry suppliers CAP/HPI. We offer this information in good faith however cannot guarantee the accuracy of any specification/information supplied by 3rd party providers. The specification can vary. You must physically check the specification of the vehicle on site prior to purchase. The specification & features on this website do not form part of the buying contract.
Your car when new
£51,380
Extra Features
£0
Aluminum Hexagon trim finishers with Estoril Blue matt highlightEstoril Blue MetallicLeather Dakota Black/Blue
IncludedIncludedIncluded
The vehicle data displayed highlights the typical specification of the most recent model of this vehicle. This specification is sourced from leading industry suppliers CAP/HPI. We offer this information in good faith however cannot guarantee the accuracy of any specification/information supplied by 3rd party providers. The specification can vary. You must physically check the specification of the vehicle on site prior to purchase. The specification & features on this website do not form part of the buying contract.
Driver Convenience
Auto start-stopBMW Online servicesBMW remote servicesBMW TeleservicesView moreBoot lid lock with soft close functionBrake pad wear indicator in front and rearCheck Control warning system for monitoring of lights and door/luggage compartment open warningControl display - 6.5" colour display screenFront/rear park distance control (PDC)iDrive Controller with 8 favourite buttonsInstrument cluster with speedometer with mph readout, tachometer, fuel gauge and oil temperature gaugeLights on warning by audio warning signal when ignition is switched offM Sport instrument clusterOil sensor for level and grade, warning by check control systemOn board computer - average speed, fuel consumption, outside temp display with acoustic warning, clock/date, service interval, odometer/trip meterOptimum shift indicatorPersonal Profile - automatic lock when driving away selectableProfessional multimedia navigation systemRun flat indicator
Engine/Drivetrain/Suspension
Aluminium front suspensionDiesel particulate filterDrive performance control with ECO PRO comfort + sport modeEight speed sport automatic transmissionView moreElectronic differential lockFive link rear suspension
Entertainment
DAB tuner
Exterior Features
Auto dimming rear view mirrorBody colour door handlesBody colour front bumperBody colour rear bumperView moreBody colour roof mouldingsChrome kidney grille with extra wide black, high gloss black vertical slatsDirection indicator, side repeaters, integrated in exterior mirrorsDoor sill finishers with M designationDual exhaust tailpipes in left with chrome finisherDynamic brake lightsElectric front windows with fingertip open/close + anti-trap facilityFollow me home headlightsFront air inlet with high gloss black finishFront and rear bumper systemGreen tinted heat protection glazingHeated windscreen washer jetsHeated, electrically adjustable exterior mirror aspheric on driver side, convex on passenger sideHigh gloss black air breatherHigh gloss black rear bumper insertHigh gloss shadow line exterior trimHigh level third brake lightLED daytime running lightsLED direction indicator lensesLED eyebrow lightLED front fog lightsLED tail lights with 3D L-shaped LED light designLightweight engineeringM aerodynamic bodystylingModel designationRain sensor including auto headlights activationRetractable hard topShark fin antennaTwo speed adjustable intervals windscreen wipersVisible VIN plateWelcome lightingWindscreen with grey shadeband
Interior Features
12V sockets in front centre console and passenger footwell2 Rear seat headrests3 spoke leather M sport multifunction sports steering wheelAir conditioning and radio control panel in high gloss blackView moreAmbient lighting - switchable BMW classic orange/ cold white LEDAutomatic air conditioning with two zone controlBottle holders integrated into front door trim storage compartmentsChrome centre console panel highlightDriver and front passenger seat heatingElectric front seat adjustment with driver memoryFront and rear side armrests integrated into door trimFront folding sliding armrest with storage compartmentFront head restraintsFront sports seatsFull black panel displayGlove compartmentInterior lighting, front centre over interior mirror and rear centre automatic interior light activation when door is openedLoad lashing eyes in luggage compartmentLoading aid luggage compartment when hard top is retractedReach + rake manual adjustable steering columnRear centre armrestRear child seat isofix attachment with passenger airbag deactivationRear coded belt bucklesStorage compartment behind rear seat backrestStorage compartment in centre rear seat baseSunvisors with vanity mirrors and ticket pocketToolkit located in luggage compartmentTwo front cup holders with a sliding lidVelour floor mats
Packs
Extended lighting package - 4 SeriesNon Smokers pack
Passive Safety
Airbag - Front driver and passenger, front and rear head, front side, curtain head protection, manual deactivation of front passenger airbag possibleAnti lock braking system (ABS) with brake assistAutomatic Stability Control (ASC)Battery safety cut-offView moreBMW emergency callBrake dryingBrake energy regenerationBrake pretensioningCBC - (Cornering brake control)Crash sensor activating central locking release, hazard warning lightsDynamic brake controlDynamic stability control + (DSC+)Dynamic Traction Control - DTCFront and rear ventilated brake discFront seatbelt force limitersHill start assistantPyrotechnically pre-tensioned front seatbeltsRoll over protectionSeat belt security check for driverSide impact protectionTwin hornsTyre pressure monitoring with three level warning strategyVariable torque distributionWarning triangle and first aid kit
Security
Alarm system (Thatcham 1) with electronic engine immobiliserCentral locking switch for all doors, fuel filler cap and luggage compartmentRemote control integrated key with blue insetStart/stop button with Comfort Go keyless engine start and auto Start/stop deactivation button
Wheels
Reduced rolling resistance tyresRun flat tyres
The vehicle data displayed highlights the typical specification of the most recent model of this vehicle. This specification is sourced from leading industry suppliers CAP/HPI. We offer this information in good faith however cannot guarantee the accuracy of any specification/information supplied by 3rd party providers. The specification can vary. You must physically check the specification of the vehicle on site prior to purchase. The specification & features on this website do not form part of the buying contract.
Specification
Performance
Acceleration (0-62MPH)
5.2 secs
BHP
308 bhp
Maximum speed
155 mph
Fuel Consumption
MPG
48
MPG (Extra Urban)
53
MPG (Urban Cold)
40
Emissions
Co2
155 g/km
Standard Euro Emissions
EURO 6
Valves per cylinder
4
Weight / KW
Gross weight
2,350 kg
Kerb weight
EURO 1,850 kg
Seats
4
KW
230 KW
Dimensions
Height
1,384 mm
Length
4,640 mm
Width
1825 mm
Engine & Drivetrain
Cylinders
6
Engine Capacity
2,993 cc
Gears
8
Engine
N57D30T1 (EU6)-A
View more information
We're BIG on quality
We're big on checks. So we check, check and check again. Customer confidence? Check.
HPI Check
Passed
Interior
Passed
Road Test
Passed
Suspension
Passed
Under the bonnet
Passed
Oil
Passed
Wheels & brakes
Passed
Body work
Passed
MOT
Passed
200 point inspection
Passed
See the entire 200 point check
We're BIG on low prices
BMW 4 Series
M Sport
EK68LPY
41,671 miles
Automatic
Diesel
Favourite
New car cost: £51,380
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£22,236
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We're BIG on what matters to you
Just a few reasons why to buy your next car from BIG
Local to you
With locations all over the country, you can visit a branch local to you. Now, that's convenience.
90-day warranty
Our cars come with a 90-day warranty as standard so you can drive away with confidence.
Same day drive away
Complete your purchase in a couple of hours. No need to wait around, our cars are good to go.
Low prices
You’re getting a great deal, with up to 95% of our cars being priced below market value.
200 multi-point inspection
We're BIG on quality. That's why we check, check and check again. Customer confidence? Check.
Hassle & haggle-free
Our lowest price. Always. There is no awkward haggling, no high mark-ups, and no pressure to buy.
Local to you
With locations all over the country, you can visit a branch local to you. Now, that's convenience.
90-day warranty
Our cars come with a 90-day warranty as standard so you can drive away with confidence.
Same day drive away
Complete your purchase in a couple of hours. No need to wait around, our cars are good to go.
Low prices
You’re getting a great deal, with up to 95% of our cars being priced below market value.
200 multi-point inspection
We're BIG on quality. That's why we check, check and check again. Customer confidence? Check.
Hassle & haggle-free
Our lowest price. Always. There is no awkward haggling, no high mark-ups, and no pressure to buy.
Find your dream car
Independent review
The information below is provided by Car and Driving and the actual specification of this car may vary
BMW 4 Series
Introduction
BMW's first generation 'F33'-series 4 Series Convertible persevered with the neat metal-folding roof that had been used by its direct 3 Series Convertible predecessor.

This open-topped '4' aimed to offer a different option to Executive segment cabriolet buyers not already swayed by the competing charms of rival open-topped versions of the Audi A5 and Mercedes E-Class.

You won't get the large boot and cutting-edge driving dynamics of the 4 Series Coupe, but compensations come in the form of refinement, security and drop-top desirability.

You'd like one.
Models
2dr Convertible (Petrol - 2.0 184hp [420i] & 252hp [430i], 6 cylinder 326hp [440i], 6 cylinder 431hp [M4] / Diesel - 2.0 190hp [420d], 3.0 6 cylinder 258hp [430d] or 313hp [435d] - trim levels SE, Sport, Luxury & M Sport)
Show more
History
It's the thing that makes a BMW handle like a BMW should.

We're talking of the brand's famous 50:50 weight distribution, something the Munich marque makes possible by the almost unique rear wheel drive configuration it applies to most of its models.

But with this car, put at risk - the first generation 'F33'-series 4 Series Convertible. The reason for that is also the main reason why you might buy this car - its metal folding roof.

Alone in the executive convertible segment in the 21st century's second decade, BMW continued with this arrangement, rather than the soft-top fabric roof mechanisms rivals Audi and Mercedes used.

It's a unique touch that'll tempt people liking the security, refinement and pavement wow factor of a folding metal top.

But the system weighs a quarter of a tonne and needed complex, heavy mechanicals that had to be very carefully positioned to get anywhere near to that perfect weight distribution we mentioned at the beginning. Still, the promise with this car was that the German engineers had managed to do just that more effectively than they did when battling with the same configuration in this model's direct predecessor, the fourth generation 'E90' vintage 3 Series Convertible.

By 2014, with all Coupe and Convertible BMW models by then identified by even-numbered designations, that '3' had become this longer, lower, wider '4'.

Compared to the 'E90' model, this 'F33' design was more efficient yet more powerful, 40% stiffer and offered a 4WD option, along with extra hi-tech connectivity.

Rear passengers got a little more space thanks to a wheelbase increase and luggage was a bit easier to get into the restricted boot. The car was lightly facelifted and updated with various new petrol engines and suspension changes in 2017.

And in that form, it sold until late-2020, when a second generation fabric-topped design arrived.
What You Get
In the 21st century's second decade, BMW alone persisted with the metal-folding roof concept in the mid-sized convertible segment, so if you prefer this 4 Series Convertible to either of its two direct rivals, Cabriolet versions of the Audi A5 and Mercedes E-Class, that's likely to be the major reason why.

Sure enough, there's something very impressive about the way the three-piece retractable hard-top goes through its various machinations and the result is undeniably very sleek, even when the roof is up.

It's hard though, to get too enthusiastic over a concept that BMW itself seemed uncertain about.

These roof mechanicals exact quite a penalty in terms of weight, so while this 4 Series Convertible model was around 20kgs lighter than its direct 3 Series Convertible predecessor, it was still 250kgs heavier than a directly comparable 4 Series Coupe.

Which is the main reason why Convertible versions of the brand's smaller 2 Series and larger 6 Series models from this era were both soft tops. We mentioned the old 3 Series Convertible: the styling here is subtly different, this replacement 'F33'-series model being longer, lower and wider - but still every inch a modern BMW.

So all the Munich maker's classic cues are present and correct: short overhangs, long bonnet, set-back passenger compartment, shallow frameless side windows and signature Hofmeister kink on each C-pillar.

The tick-shaped Air Breather ducts behind the wheel arches in the aluminium-crafted front wings are a nice touch too. The rear end continues the theme, emphasising this model's increased track width through prominent horizontal lines and stretched L-shaped LED taillights at the outer extremities of the car.

Yes of course it'll all be more eye-catching if you get a pricier bespoilered M Sport variant here rather than a base SE model but even at the lower end of the line-up, there's enough, if not to actually get the pulse racing, then at least to get it into its overalls and helmet. Having to create a pretty shape that effortlessly swallows all the roof-work's sliding metal panels must have been quite a design challenge but here, that was reasonably well carried off, helped by the fact that like all the most modern folding hardtops, the BMW system - which takes 20 seconds to operate and can function at speeds of up to 8mph - uses three rather than two-pieces.

The advantage of this is that you don't need a distended rear end on the car to accommodate the larger sections of a two-piece roof.

The downside of stacking three rather than two pieces on top of each other in the boot is that when they're all folded and sandwiched together, there's not a great deal of luggage space left.

With the roof up, you'll get 370-litres of cargo capacity.

But fold it down and that figure falls to just 220-litres.

Roof-down in the same configuration, a Mercedes E-Class Cabriolet would give you around 30% more space: an Audi A5 Cabriolet would give you around 70% more space. In defence, BMW point two things out.

First, that these totals are better than they were for the old 3 Series drop-top model (which managed 350 and 210-litres).

And second that there's a helpful feature by which you can press buttons on the boot lid to electrically lift or lower the folded roof panel sandwich slightly so that bags can more easily be either loaded or unloaded from the boot.

Original customers were also offered an extra cost 'Interior Comfort' package that provided split-folding rear seatbacks and a ski hatch allowing you to poke through longer items into the cabin. The other thing you'll be wanting to use if you're not using the rear seats for people is the improved wind deflector - which unfortunately was also optional from new.

It usefully reduces roof-down turbulence on the move and we can't imagine why anyone would buy this car without it.

When not needed, it can be stored behind the rear seats to save space. But let's assume you need the two rear seats for people.

Getting to them isn't the easiest task in the world and once you're seated, you'll find that the extra 50mm of wheelbase and 26mm of length this car enjoys over its 3 Series Convertible predecessor really tells, freeing up 13mm more stretching room for your lower limbs.

Cup holders and a small tray are provided between the chairs.

Headroom when the roof is up can be a bit tight for taller folk but otherwise, most adults will be fine in the back on all but the longest trips. And at the wheel? Well, there's a low-set driving position, a grippy three-spoke sports steering wheel and integrated retractable seatbelts handed to you (rather slowly) by a neat 'belt butler' once you get in.

And, you get other thoughtful touches too.

Take this issue that many convertible owners will identify with: it's a beautiful summer's day, you arrive back in the office after lunch, park the car in your reserved space and pop in for a couple of hours work - before getting into the car to drive home and promptly cremating yourself on upholstery that's hot enough to fry an egg.

To avoid such embarrassment and discomfort, BMW provided standard Sun-Reflective Technology for the lovely leather upholstery you get with this car.

Specialised pigments that reflect infra-red radiation are embedded into the hide.

And this means that areas that are exposed to sunlight for a prolonged period remain up to 20 degrees cooler than similarly coloured but untreated leather would.

Just make sure you remember the factor twenty. Beyond all of these touches, there really isn't much to set this cabin apart from that of any other compact BMW.

Which is either a missed opportunity or a very good thing, depending on your point of view.

Whichever camp you favour, you can't argue that the fundamental ergonomics are virtually flawless and nicely set off by the leather and high gloss black finishes. Whatever your view on that, you won't be able to fault the ergonomics, the main dials in particular a picture of clarity.

Optional on this car was the Air Collar, a concept first pioneered by Mercedes, with vents below the head restraints that can massage your neck with comforting warm air on cold mornings.

Otherwise, everything is as it would be in a 4 Series Coupe.

As with that model, we particularly like the easy access to the climate and stereo controls that doesn't require you having to root around in submenus on an infotainment touch screen.

You don't get that kind of touch functionality here - and you don't need it because BMW's iDrive system works so well, even if its screen isn't quite as well integrated into the dash layout as, say, you'll find with the Audi MMI set-up.

There's an awful lot on here - from maintenance schedules and visual handbook representations to the many, varied and mainly optional functions that make up the Munich maker's ConnectedDrive system.

Yet it's all very easy to find, particularly with the revised rotary controller that's part of the optional BMW Professional set-up.
What You Pay
Please contact us for an exact up-to-date valuation.
What to Look For
Obviously the roof is the first thing to check.

Check that it opens and closes in around 20 seconds and there are no undue whistles and creaks when it's in place.

Various recalls when the car was new concerned issues with engine stalling and the bolts on the rear axle.

Check that these recalls have been attended to if they apply to the car you're looking at.

Most of the 4 Series Gran Coupe buyers in our ownership survey were very happy with their cars but inevitably, there were a few that had issues.

One owner mentioned corroding brake calipers and a disfiguring of the trim panel over which the folding roof sits.

Check both issues In our 4 Series ownership survey, one owner had to replace a catalytic converter, an exhaust pipe and an auxiliary radiator, while on another, the air tube on the turbo broke.

Elsewhere in our survey, there were problems with water pump thermostats and rear indicator bulbs.

On one car, the front camera tended to fail in high climate temperatures or when sunlight directly shone on it.

Niggly problems included a failure of the trunk release, the remote entry system and the front passenger's electric seat.

There were also issues with the surfaces of the alloy wheels pitting: check the rims carefully on the car you're looking at.

Otherwise, it's the usual issues; check for kerbed alloys (ask for a reduction of around £70 a wheel if so); and insist on a fully stamped-up service history.
Replacement Parts
(approx prices based on a 2017 420d Convertible ex VAT) An air filter costs in the £8 to £11 bracket.

An oil filter costs around £8.

Front brake pads sit in the £40 to £80 bracket for a set, though you could pay up to around £100 for pricier brands.

Front brake discs sit in the £105 to £122 bracket, though for pricier brands, you could pay much more.

Rear discs can cost up to around £356.

Wiper blades cost around £12-£14.

A rear lamp is priced at around £145-£163.

A front bi-xenon headlamp costs in the £546 bracket. On The Road
On the Road
Is the average BMW 4 Series Convertible customer going to approach this car wanting to sling it around a bit? Provided the variant in question isn't the hot rod M4 model, we suspect not.

Which is perhaps just as well, for comfort is higher on this car's priority list than cornering heroics.

To be fair, this model is more dynamically inclined than its direct Audi A5 and Mercedes E-Class Cabriolet rivals - you get that classic BMW hunger to turn into bends and lovely front to rear balance, helped by the near 50:50 weight distribution.

To compete with Audi, BMW's xDrive all-wheel system was even offered at the top of the range.

But it's the standard rear driven layout that really marks this car out from its competitors.

Super-effective traction and stability systems keep those back wheels in check so that if you're not a driving enthusiast, you'll notice no difference.

But if you are, then the feeling of being propelled up the road by the back wheels as you exit a bend never fails to offer up a great feeling of pleasure. It helps that feedback from the tactile, pleasantly chunky three-spoke sports steering wheel is far better than you fear an electric steering system might offer, complementing corner turn-in aided by the fact that this car is fully 40% torsionally stiffer than its 3 Series Convertible predecessor.

So it impresses at first acquaintance, but it's also the sort of car that has more to give the more you ask of it.

Just how much more depends upon a number of factors, the first of which is your selection of modes from the standard Drive Performance Control system, the rocker switch for which you'll find down by the gearstick. You might be familiar with this kind of thing, a set-up that allows you to tweak the steering, throttle and stability control system thresholds depending on the operating mode you select.

Gear change times too if, like many 4 Series buyers, you decide against a variant with the slick 6-speed stick shifter and opt for a much more common one with the 8-speed auto transmission that comes with steering wheel paddles and a natty launch control system for would-be Alonsos.

Ignore Drive Performance Control - or select its most relaxed 'Comfort' or efficient 'ECO PRO' settings - and the travelling experience in this car, though very comfortable, isn't especially memorable.

Push the rocker switch forward into 'Sport' though and the reaction you get immediately feels keener and more alert.

More like the kind of 4 Series enthusiasts would expect this car to be. To really create that kind of machine though, you've to get a car whose original owner spent a bit of extra money, possibly on stiff M Sport suspension but preferably on the M Sport Adaptive Suspension set-up we'd recommend, a system able to alter the ride to suit the road you're on and the mood you're in.

It'll firm up nicely in 'Sport' mode and, if you've got a car whose original owner ticked the box for this particular option, the system will also offer an additional 'Sport +' setting that'll relax the DSC control to give you a little more tail-out cornering leeway - if you should be that way inclined. On to engines.

Over 60% of original buyers favoured a black pump BMW, so you're very likely to find a 420d variant, a car with the same 184 braked horses as its petrol-fuelled 420i counterpart but nearly 30% more torque, 380Nm making itself keenly felt from low revs.

The most obvious stats don't immediately bear this out - both cars make 62mph from rest in around 8.2s (0.7s slower than their Coupe counterparts) on the way to a top speed of just under 150mph - but you really feel the diesel's extra torque out on the road. Diesel drivers in search of extra horsepower can get this base diesel model's four cylinder engine uprated to 218bhp in a 425d variant able to trim the 0-62mph sprint time to 7.3s.

A six cylinder diesel in this car though, takes performance to another level.

The 430d with 258bhp manages the same stat in 5.9s, while the top automatic-only 435d reduces that to 5.2s and adds the standard security of xDrive 4WD.

Both models must be artificially restrained at 155mph, as must the three properly quick mainstream petrol variants.

For models made in the 2014-2017 period, first amongst these was the 245bhp four cylinder 428i, good for 62mph in 6.4s, which makes it only fractionally slower than the six cylinder 306bhp 435i - and at a substantial saving.

If we couldn't stretch to the flagship 431bhp six cylinder twin turbo supercar-slaying M4 model, then we think the 428 would be our variant of choice. But we haven't yet talked about the roof.

If the sun comes out or the heavens open, it's nice that you don't have to stop at the side of the road to either retract or erect it (as was the case with the previous 3 Series Convertible metal-roofed model), though you do have to slow to a speed of below 8mph for the 20 seconds the three metal panels take to assume their necessary positions.

When the top is up, the refinement you get is indistinguishable from that you'd expect to find in the 4 Series Coupe model, thanks to a number of design improvements made to this Convertible version.

These include a sound-absorbing headliner that reduces wind noise by up to 2dB. This 4 Series Convertible was updated in 2017 and as part of the changes, the 428i and 435i petrol variants were, respectively, replaced by 430i (252hp) and 440i (326hp) models, which sat below the range-topping 431hp M4 variant.

Across the range, the suspension was also revised as part of this model update, the standard passive set-up as a result being firmer than before.

That slightly increased take-up of the 'Adaptive M Sport Suspension' variable damping set-up we'd recommend.

As with the original version of this car, a 'Drive Performance Control' system tweaks response from the throttle, the steering and the optional 8-speed auto gearbox to suit the way you want to drive.
Overall
Like many of its owners will be, BMW was quietly satisfied with this 4 Series Convertible.

While you sense that the Munich engineers might have preferred a soft-top configuration, they certainly made this one work very effectively and if you can live with a smaller boot, the metal hard-top roof layout offers upsides in security and refinement, without too much impact on efficiency.

Would this car be a more engaging driving machine without its weighty roof mechanicals? The extra sharpness of its 4 Series Coupe stablemate certainly suggests that.

We sense though, that most buyers of this open-topped version will be quite happy with a more relaxed, comfortable demeanour.

That is, after all, as much as competitors from Audi and Mercedes offer - and those brands can't deliver the engine choice BMW provided here. In fact, a lot of boxes are ticked by this car if you can afford its asking price.

You get impressive safety systems, high residual values, above average rear seat legroom and a sheer depth of engineering that rarely fails to impress.

As a result, in many ways, it's probably the most complete contender in this segment from this era and, best of all, it looks as striking and expensive as a convertible of this kind should when the sun's out and all is right with the world.
Performance
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Handling
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Comfort
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Space
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Styling
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Build
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Value
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Equipment
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Economy
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Depreciation
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Insurance
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Vehicle location
This vehicle is located at Enfield Big Motoring World Great Eastern Road Waltham Cross Hertfordshire EN8 8DY
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What our experts say
Mike - PDI Technician, Big Motoring World
We take pride in our work and leave each car looking as good as new. All of our work is quality checked too before it ever reaches one of our forecourts, so you can have confidence
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I bought a Honda Civic with Big Motoring World in January 2023. I was impressed with the service and had a great experience. Special thanks to Rob, Robbie, Ash, and Mairi for their help at the various stages of buying a car. They made everything clear and remained pleasant and patient throughout. Thank you! Ps I love my new car!
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FAQs
What do I need to bring with me to buy a car?
In order to purchase a used car from us, please ensure you have proof of address (a bank statement or utility bill) and proof of ID (a driving license or passport).
How do I reserve a car?
Easily reserve one of our cars online or over the phone with a fully-refundable £99 deposit. This will then hold the car for three whole days to give you enough time to come down for a viewing. Once the three days are up, we’ll automatically refund your reservation fee. Please note, you can only reserve a vehicle once. You can also reserve a car inside our dealership by placing a non - refundable £500 deposit to hold the car. Deposits in-store must be placed by debit card as we’re unable to accept cash. This will secure the car ready for collection.
Do your cars come with a warranty, and if so what does this cover?
Since we’re big on peace of mind, we provide a 90-day warranty on all of our cars. This does not affect your statutory rights. You even have the choice to purchase an extended warranty from us to make sure you’re covered for longer if anything was to go wrong. These include 1, 2, or 3-year warranty plans. You’ll be pleased to know that our warranty covers both all major mechanical and electrical components in case of a sudden mechanical breakdown. Parts and labor are also included. Under our warranty, you’ll have coverage for the engine, gearbox, transmissions, and suspension as well as smaller items such as electric windows and central locking.
How do I get my car valued?
You can use our online valuation tool to receive an instant, no-obligation valuation. Once you have completed this, you will receive your valuation by email so you have all the details ready for when you visit us. Once you visit our dealership, you will receive your final valuation quote once your vehicle has been inspected by our appraisal team.
Why should I sell or part exchange with Big Motoring World?
There are several reasons why selling or part exchanging your car with us would be ideal. Firstly, it is an extremely efficient and fast process, taking the hassle out of selling privately and dealing with tyre kickers. We will also offer you our best price guaranteed, providing a competitive valuation that is hard to beat.
Can I drive away on the same day in a car I’ve just purchased?
Yes, you can. All of our vehicles are ready to drive away. If you are applying for finance, however, you will need to be on-site by 3 pm in order to take the car the same day.
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