Leasing Available for this Model

Lease this car with our great Business Contract Hire offer: initial rental of £3,359.79 with 47 subsequent monthly rentals of £373.312. Monthly rentals are exclusive of VAT and are valid for business users only.

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The following equipment is available for a new BMW 4 Series Diesel Convertible 420d (190 PS) M Sport 2-door Auto (Professional Media):

  • Standard Equipment
  • Available at No Cost

Option packs, the options contained in the packs, optional extra data and prices shown may not be final or confirmed by BMW. Some options and packs cannot be ordered in certain combinations. Please ensure that you confirm the specification of the vehicle prior to making a final decision to purchase.

Options and Packs

  • Driver Convenience

    Auto start-stop Standard
    BMW emergency call Standard
    BMW Online services Standard
    BMW remote services Standard
    BMW Teleservices Standard
    Boot lid lock with soft close function Standard
    Brake pad wear indicator in front and rear Standard
    Check Control warning system for monitoring of lights and door/luggage compartment open warning Standard
    Control display - 6.5" colour display screen Standard
    Front/rear park distance control (PDC) Standard
    iDrive Controller with 8 favourite buttons Standard
    Instrument cluster with speedometer with mph readout, tachometer, fuel gauge and oil temperature gauge Standard
    Lights on warning by audio warning signal when ignition is switched off Standard
    M Sport instrument cluster Standard
    Oil sensor for level and grade, warning by check control system Standard
    On board computer - average speed, fuel consumption, outside temp display with acoustic warning, clock/date, service interval, odometer/trip meter Standard
    Optimum shift indicator Standard
    Personal Profile - automatic lock when driving away selectable Standard
    Professional multimedia navigation system Standard
    Run flat indicator Standard
    Start/stop button with Comfort Go keyless engine start and auto Start/stop deactivation button Standard
    Active cruise control with stop and go No Cost
    Bluetooth hands free facility with USB audio interface with bluetooth audio streaming No Cost
    Cruise control with brake function No Cost
    Digital cockpit No Cost
    Driving assistant - camera based assist, Lane departure + forward collision warning, city collision mitigartion + preventive pedestrian pretection No Cost
    Electric Power Steering (EPS) with Servotronic No Cost
    Head up Display No Cost
    Lane change warning system with blind spot check No Cost
    Park assist gap measurement and steering assist No Cost
    Reversing assist camera No Cost
    Speed limit display No Cost
    Surround view system No Cost
    Wifi hotspot preparation No Cost
    Variable sport steering £268
    Apple CarPlay preparation £274
    Enhanced bluetooth with wireless charging £461


    Airbag - Front driver and passenger, front and rear head, front side, curtain head protection, manual deactivation of front passenger airbag possible Standard
    Anti lock braking system (ABS) with brake assist Standard
    Automatic Stability Control (ASC) Standard
    Battery safety cut-off Standard
    Brake drying Standard
    Brake energy regeneration Standard
    Brake pretensioning Standard
    CBC - (Cornering brake control) Standard
    Crash sensor activating central locking release, hazard warning lights Standard
    Dynamic brake control Standard
    Dynamic stability control + (DSC+) Standard
    Dynamic Traction Control - DTC Standard
    Front and rear ventilated brake disc Standard
    Front seatbelt force limiters Standard
    Hill start assistant Standard
    Pyrotechnically pre-tensioned front seatbelts Standard
    Roll over protection Standard
    Seat belt security check for driver Standard
    Side impact protection Standard
    Twin horns Standard
    Tyre pressure monitoring with three level warning strategy Standard
    Variable torque distribution Standard
    Warning triangle and first aid kit Standard
    3 point seatbelts on all seats No Cost
    M Seatbelts No Cost
    M Sport braking system No Cost


    Alarm system (Thatcham 1) with electronic engine immobiliser Standard
    Central locking switch for all doors, fuel filler cap and luggage compartment Standard
    Remote control integrated key with blue inset Standard
    Comfort access system with smart opener £578

    Interior Features

    12V sockets in front centre console and passenger footwell Standard
    2 Rear seat headrests Standard
    3 spoke leather M sport multifunction sports steering wheel Standard
    Air conditioning and radio control panel in high gloss black Standard
    Ambient lighting - switchable BMW classic orange/ cold white LED Standard
    Automatic air conditioning with two zone control Standard
    Bottle holders integrated into front door trim storage compartments Standard
    Chrome centre console panel highlight Standard
    Driver and front passenger seat heating Standard
    Electric front seat adjustment with driver memory Standard
    Front and rear side armrests integrated into door trim Standard
    Front folding sliding armrest with storage compartment Standard
    Front head restraints Standard
    Front sports seats Standard
    Full black panel display Standard
    Glove compartment Standard
    Interior lighting, front centre over interior mirror and rear centre automatic interior light activation when door is opened Standard
    Load lashing eyes in luggage compartment Standard
    Loading aid luggage compartment when hard top is retracted Standard
    Reach + rake manual adjustable steering column Standard
    Rear centre armrest Standard
    Rear child seat isofix attachment with passenger airbag deactivation Standard
    Rear coded belt buckles Standard
    Storage compartment behind rear seat backrest Standard
    Storage compartment in centre rear seat base Standard
    Sunvisors with vanity mirrors and ticket pocket Standard
    Toolkit located in luggage compartment Standard
    Two front cup holders with a sliding lid Standard
    Velour floor mats Standard
    Welcome lighting Standard
    Air collar No Cost
    Dakota leather upholstery No Cost
    Steering wheel heating £198
    Electrically adjustable lumbar support for driver and front passenger £309
    Through loading system £478
    BMW Extended individual merino leather upholstery £1,418


    Reduced rolling resistance tyres Standard
    Run flat tyres Standard
    18" M Double spoke light alloy wheels with mixed tyres - Style 400M No Cost
    19" M Double spoke alloy wheels ferric grey with mixed tyres - style 704M No Cost
    19'' M Double spoke light alloy wheels in jet black with mixed tyres - style 704M No Cost
    19" M Star spoke light alloy wheels with mixed tyres - style 403M £817


    Aluminium carbon trim finishers with pearl chrome highlight No Cost
    Aluminium hexagon interior trim finishers with estoril blue matt highlight No Cost
    BMW Individual high-gloss shadow line with extended contents No Cost
    Brushed aluminium trim finishers with black high gloss highlight No Cost
    Dakota leather - Black No Cost
    Dakota leather - Black with blue highlight No Cost
    Dakota leather - Black with oyster highlight No Cost
    Dakota leather - Coral red with black highlight No Cost
    Dakota leather - Ivory white No Cost
    Dakota leather - Mocha No Cost
    Fineline anthracite wood interior trim finishers with pearl chrome highlight £117
    Piano Black trim finishers with pearl chrome highlight £438
    Carbon fibre interior trim £583
    BMW individual nappa leather finished instrument panel £951
    BMW Individual leather finished instrument panel £1,254
    Extended Individual Merino leather - Black £1,418
    Extended Individual Merino leather - Cashmere Beige £1,418
    Extended individual Merino leather - Golden Brown £1,418
    Extended Individual merino leather - Nutmeg £1,418
    Extended Individual Merino leather - Opal white £1,418

    Exterior Features

    Auto dimming rear view mirror Standard
    Body colour door handles Standard
    Body colour front bumper Standard
    Body colour rear bumper Standard
    Body colour roof mouldings Standard
    Chrome kidney grille with extra wide black, high gloss black vertical slats Standard
    Direction indicator, side repeaters, integrated in exterior mirrors Standard
    Door sill finishers with M designation Standard
    Dual exhaust tailpipes in left with chrome finisher Standard
    Dynamic brake lights Standard
    Electric front windows with fingertip open/close + anti-trap facility Standard
    Follow me home headlights Standard
    Front air inlet with high gloss black finish Standard
    Front and rear bumper system Standard
    Green tinted heat protection glazing Standard
    Heated windscreen washer jets Standard
    Heated, electrically adjustable exterior mirror aspheric on driver side, convex on passenger side Standard
    High gloss black air breather Standard
    High gloss black rear bumper insert Standard
    High gloss shadow line exterior trim Standard
    High level third brake light Standard
    LED daytime running lights Standard
    LED direction indicator lenses Standard
    LED eyebrow light Standard
    LED front fog lights Standard
    LED tail lights with 3D L-shaped LED light design Standard
    M aerodynamic bodystyling Standard
    Model designation Standard
    Rain sensor including auto headlights activation Standard
    Retractable hard top Standard
    Shark fin antenna Standard
    Two speed adjustable intervals windscreen wipers Standard
    Visible VIN plate Standard
    Windscreen with grey shadeband Standard
    BMW icon adaptive LED headlights No Cost
    Body colour mirror caps No Cost
    High beam assistant No Cost
    High gloss black mirror caps No Cost
    Low and high beam LED headlights No Cost
    M designation side badges No Cost
    Solid paint No Cost
    Trim designation deletion on front side panels of M badge No Cost
    Wind deflector No Cost
    Electric folding exterior mirrors with anti-dazzle £350
    Metallic paint £776
    Electric towbar £875
    BMW Individual metallic paint work £1,628


    Solid - Alpine white No Cost
    Metallic - Black sapphire £776
    Metallic - Estoril Blue £776
    Metallic - Melbourne red £776
    Metallic - Mineral grey £776
    Metallic - Snapper rocks blue £776
    Metallic - Sunset orange £776
    BMW Individual metallic paint - Smoked topaz £1,628
    BMW individual metallic paint - Tanzanite blue £1,628


    DAB tuner Standard
    BMW Professional radio with Single CD player + two-way six speakers + 4x25W loudspeaker system + MP3 playback capability No Cost
    Online entertainment £187
    Harman/Kardon loudspeaker system £788


    Aluminium front suspension Standard
    Diesel particulate filter Standard
    Drive performance control with ECO PRO comfort + sport mode Standard
    Electronic differential lock Standard
    Five link rear suspension Standard
    Lightweight engineering Standard
    Sport automatic transmission with steering-wheel mounted gearshift paddles and launch control Standard
    M sport suspension No Cost
    Adaptive M Sport suspension £601

    Non Smokers pack

    12V power point front
    Storage compartment ilo ashtray and cigar lighter

    Extended lighting package - 4 Series

    Footwell lighting white and ambient
    Front and rear door exit lights
    Handle area illumination in the door handles
    Illuminated vanity mirrors
    LED ambient light accent below the front centre console and inside of the front door trim finisher
    LED front and rear reading lights
    LED luggage compartment lighting
    LED tailgate lights
    Storage compartment lighting in center armrest

    Extended storage pack - 4 Series convertible

    12V power point in luggage compartment right side
    12V socket in rear centre console
    2 Foldable bag holders in the partition
    Folding storage compartment instrument panel driver's side
    Versatile storage net for the luggage compartment fitted using 6 lashing eyes on the floor

    Visibility package - 4 Series

    BMW icon adaptive LED headlights
    High beam assistant

    Convertible comfort pack - 4 Series

    Air collar
    Heated steering wheel
    Wind deflector

    Driving assistant package - 4 Series

    Active cruise control with stop and go function
    Driving assistant - camera based assist, Lane departure + forward collision warning, city collision mitigartion + preventive pedestrian pretection
    Lane change warning system with blind spot check

    Park assist package - 4 Series

    Exterior mirrors folding with anti dazzle
    Park assist gap measurement and steering assist
    Reversing assist camera
    Surround view system

    Technology package - 4 Series M Sport

    Enhanced bluetooth with wireless charging
    Head up Display
    Speed limit display
    Wifi hotspot preparation

    M Sport plus pack with 19'' M double spoke alloy wheels in ferric grey style 704M - 4 series Convertible

    19'' M Double spoke light alloy wheels in bicolour ferric grey with mixed tyres - style 704M
    BMW Individual high gloss shadow line with extended contents
    Digital cockpit
    Harman/Kardon loudspeaker system
    High gloss black mirror caps
    M Seatbelts
    M Sport braking system

    M Sport plus package - 4 Series Convertible

    19'' M Double spoke light alloy wheels in jet black with mixed tyres - style 704M
    BMW Individual high gloss shadow line with extended contents
    Digital cockpit
    Harman/Kardon loudspeaker system
    High gloss black mirror caps
    M Seatbelts
    M Sport braking system

Technical Specifications

  • Max Speed 142 mph
  • Max Power 187 bhp
  • Height: 1,384 mm Width: 1825 mm Width (inc. mirrors): 2,017 mm Front Scale Front Dimensions
    Wheelbase: 2,810 mm Length: 4,640 mm Side Scale Side Dimensions
  • Engine and Drive Train

    Cylinders - Bore
    84 mm
    Cylinders - Stroke
    90 mm
    Cylinder Layout
    Number of Valves
    Fuel Delivery
    Common Rail
    Catalytic Convertor
    Engine Layout
    North South
    Compression Ratio
    8 Speed
    Engine Code
  • Performance

    Engine Power
    190 BHP/PS
    Engine Power in PS?
    8.1 secs
    Top Speed
    141 mph
    Engine Power
    140 kW
    Engine Power At
    4,000 RPM
    Engine Torque
    295 lbs/ft
    Engine Torque
    400 Nm
    Engine Torque At
    1750 RPM
  • Fuel Consumption - ICE

    EC Directive 1999/100/EC Applies
    EC Urban
    45.6 mpg
    EC Extra Urban
    60.1 mpg
    EC Combined
    54.3 mpg
    37.2 MPG
    36.7 mpg
    47.1 mpg
    46.3 MPG
    54.3 mpg
    53.3 mpg
    WLTP High
    47.9 MPG
    WLTP High
    46.3 MPG
    47.1 mpg
    46.3 MPG
    WLTP (l/100km) - Low
    7.6 FC
    WLTP (l/100km) - Low
    7.7 FC
    WLTP (l/100km) - Medium
    6 FC
    WLTP (l/100km) - Medium
    6.1 FC
    WLTP (l/100km) - High
    5.2 FC
    WLTP (l/100km) - High
    5.3 FC
    WLTP (l/100km) - Extra High
    5.9 FC
    WLTP (l/100km) - Extra High
    6.1 FC
    WLTP (l/100km) - Comb
    6 FC
    WLTP (l/100km) - Comb
    6.1 FC
  • Emissions - ICE

    WLTP2 (g/km) - Low
    198 CO2
    WLTP2 (g/km) - Low
    201 CO2
    WLTP2 (g/km) - Medium
    158 CO2
    WLTP2 (g/km) - Medium
    161 CO2
    WLTP2 (g/km) - High
    137 CO2
    WLTP2 (g/km) - High
    140 CO2
    WLTP2 (g/km) - Extra High
    156 CO2
    WLTP2 (g/km) - Extra High
    159 CO2
    WLTP2 (g/km) - Comb
    159 CO2
    WLTP2 (g/km) - Comb
    156 CO2
    125 g/km
    Standard Euro Emissions
    Euro 6
    Noise Level
    73 dB(A)
    0.128 g/km
    0.023 g/km
  • Tyres

    Space Saver?
    Wheel Style
    M Double Spoke Style 400M
    Tyre Size Front
    225/45 R18
    Tyre Size Rear
    255/40 R18
    Tyre Size Spare
    RUN Flat Tyres
    Wheel Type
    18" Alloy
  • Weight and Capacities

    Gross Vehicle Weight
    2,230 kg
    Fuel Tank Capacity
    57 Litres
    Luggage Capacity (Seats Up)
    220 Litres
    No. of Seats
    Minimum Kerbweight
    1,765 kg
    Max. Towing Weight - Braked
    1,800 kg
    Max. Towing Weight - Unbraked
    745 kg
    Max. Loading Weight
    465 kg
    Luggage Capacity (Seats Down)
    370 Litres
    Turning Circle - Kerb to Kerb
    11.3 m
  • General

    Special Edition
    Special Order
    Insurance Group 1 Effective January 07
    34E 50
    Standard manufacturers warranty
    3 Years
    Standard manufacturers warranty
    Manufacturers Paintwork Guarantee
    3 Years
    Man Corrosion Perforation Guarantee
    6 Years
    Service Interval Miles
    Service Interval Frequency
    24 Months
    Badge Power
    190 BHP/PS
    Badge Engine CC
    Vehicle Homologation Class
  • Test Cycles

    Emissions Test Cycle
    Nedc Correlated

Running Costs

Calculate approximately how much a year's worth of fuel would cost according to usage:


EC Urban 45.6 mpg
EC Extra Urban 60.1 mpg
EC Combined 54.3 mpg

Filling Up

Tank Size 57 litres
Cost to fill £77.18

Annual Estimate

Total Fuel Use 837.22 litres
Total Fuel Cost £1,133.59
Road Fund Licence £210.00

Company Car Costs

Tax Year to 5th April P11D Value Percentage Charge Benefit in Kind Tax payable at 20% Tax payable at 40% Tax payable at 45%
2019/2020 £45,090 33% £14,879.70 £2,976 £5,952 £6,696

Featured BMW 4 Series Review: ‘OPEN FOUR BUSINESS’


Car and Driving's Independent New Review of the BMW 4 Series Convertible

By Jonathan Crouch
Added 1st November, 2013 , updated 1st September, 2017

The BMW 4 Series Convertible continues to provide executive segment buyers with folding hard top option in the cabriolet class and offers smarter looks in this improved form. Jonathan Crouch reports.

Read the full article

See more reviews in our BMW 4 Series independent review section.

1 Manufacturer's Recommended Retail Price for the base car, includes VAT and delivery from the manufacturer to the dealership, but does not include first registration fee or road fund licence, and may be subject to change. See our terms and conditions of use for more information. Please check with your local centre for our best offers and further details.

2 Business users only - consumer options are available. Up to 8,000 miles per year. Excludes VAT.

Please note that we only display current model new cars on these pages. You should contact a dealership to confirm price, specification and availability prior to viewing. When ordering a vehicle, it is your responsibility to check that the specification and optional extras meet your requirements, as the specification may be different to the vehicle that you initially viewed or demonstrated.

Emissions and efficiency data taken from official test results, where available, when new. Data shown is intended to provide a standard figure for comparing the relative fuel economy of different vehicles of a similar age and condition, and does not represent the average fuel consumption that will be achieved on the road. Actual figures will depend on factors including the age of the vehicle, how it has been maintained, road and weather conditions and driving style.