BMW 4 Series Convertible 420i M Sport 2-door (Professional Media)

Enquire Now

Leasing Available for this Model

Lease this car with our great Business Contract Hire offer: initial rental of £1,497.57 with 23 subsequent monthly rentals of £499.192. Monthly rentals are exclusive of VAT and are valid for business users only.

See More Details

Accessories and Options

The following equipment is available for a new BMW 4 Series Convertible 420i M Sport 2-door (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. Prices include VAT. Some options and packs cannot be ordered in certain combinations.

  • Driver Convenience

    BMW emergency call Standard
    BMW Online services Standard
    BMW teleservices Standard
    Brake pad wear indicator warning light Standard
    Check control system Standard
    Cruise control with brake function Standard
    Door/boot open warning Standard
    Front/rear Parking distance control Standard
    Lights on warning Standard
    Oil temperature gauge Standard
    On board computer Standard
    Outside temperature display Standard
    Run flat indicator Standard
    Service interval indicator Standard
    Stop/start button Standard
    Bluetooth hands free telephone connection with USB audio interface No Cost
    Electric Power steering with Servotronic No Cost
    Variable sport steering £210
    Speed limit display £220
    Apple CarPlay preparation £235
    Reversing camera £330
    Enhanced bluetooth with wireless charging £395
    Lane change warning system with blind spot check £440
    Surround camera system £500
    Head up Display £825


    3 point seatbelts on all seats Standard
    ABS/EBD Standard
    Automatic Stability Control (ASC) Standard
    CBC - (Cornering brake control) Standard
    Crash Sensor - activates hazard/interior lighting + unlocks doors Standard
    Driver seatbelt warning indicator Standard
    Driver/Front Passenger airbags Standard
    DSC+ Standard
    Dynamic brake control Standard
    Dynamic Traction Control - DTC Standard
    Front passenger airbag deactivation Standard
    Front seatbelt force limiters Standard
    Front seatbelt pretensioner Standard
    Front side airbags Standard
    Hill start assist Standard
    Roll over protection Standard
    Tyre pressure monitor Standard
    Warning triangle and first aid kit Standard
    M Sport braking system £570


    Drive away door locking Standard
    Electronic immobiliser Standard
    Remote central locking Standard
    Remote control Thatcham category 1 alarm Standard
    Comfort access system with smart opener £495

    Interior Features

    12V sockets in front centre console and passenger footwell Standard
    3 spoke leather M multifunction sports steering wheel Standard
    Anthracite headlining Standard
    Anthracite Velour floor mats Standard
    Dual zone climate control Standard
    Electrically adjustable front seats - driver seat with memory Standard
    Front cupholders x 2 Standard
    Front door storage with bottle holder Standard
    Front head restraints Standard
    Front sports seats with electric side bolster adjustment Standard
    Front/rear armrests within door panels Standard
    Glovebox with lid Standard
    Heated front seats Standard
    Height adjustable front seats Standard
    Integrated rear head restraints Standard
    ISOFIX child seat preparation+airbag deactivation Standard
    Lashing eyelets in boot Standard
    Leather gearknob and handbrake lever Standard
    Reach + rake adjustable steering column Standard
    Rear centre armrest Standard
    Storage compartment behind rear seat Standard
    Storage compartment in rear centre console Standard
    Storage compartment in rear seat base Standard
    Sunvisors with illuminated vanity mirrors Standard
    Toolkit located in luggage compartment Standard
    Dakota leather upholstery No Cost
    Folding front centre armrest with storage compartment No Cost
    Heat reflective seats No Cost
    Front sliding armrest with storage compartment £45
    Heated steering wheel £155
    Through load system £170
    Driver + passenger electric lumbar support £265
    Air Collar £360
    Extended Individual Merino leather upholstery £1,215


    18" Double spoke alloy wheels - style 400M No Cost
    Run flat tyres No Cost
    Tyre mobility system No Cost
    18" V spoke light alloy wheels in Orbit grey with performance tyres - style 398 + BMW Mobility system £165
    18" Double spoke alloy wheels - style 441M in Ferric grey £175
    19" M Star spoke alloy wheels - Style 403M £600
    19" Double spoke alloy wheels - style 442M £670


    Aluminium hexagon interior trim with black high gloss finish No Cost
    Aluminium hexagon interior trim with estoril blue finish No Cost
    Brushed aluminium trim with black high gloss finish No Cost
    Brushed aluminium trim with pearl chrome finish No Cost
    Dakota leather - Black No Cost
    Dakota leather - Black with blue piping No Cost
    Dakota leather - Coral red with black piping No Cost
    Dakota leather - Oyster with dark oyster piping No Cost
    Dakota leather - Saddle brown No Cost
    Burr walnut wood trim with pearl chrome finish £100
    Fineline anthracite wood interior trim with pearl chrome finish £100
    Ash grain wood trim and metal inlay with pearl chrome finish £260
    Fine wood ash grain white trim with pearl chrome finish £375
    Fine wood dark red brown sycamore trim with pearl chrome finish £375
    Piano Black trim with pearl chrome finish £375
    BMW Individual leather instrument panel £815
    BMW individual merino leather instrument panel £1,075
    Extended Individual Merino leather - Black £1,215
    Extended Individual Merino leather - Cashmere Beige £1,215
    Extended individual Merino leather - Golden Brown £1,215
    Extended Individual merino leather - Nutmeg £1,215
    Extended Individual Merino leather - Opal white £1,215

    Exterior Features

    2 speed adjustable intermittent wipers with wash/wipe function Standard
    Auto dimming rear view mirror Standard
    Body colour bumpers Standard
    Body colour door handles Standard
    Body colour door mirrors Standard
    Body colour roof mouldings Standard
    Chrome kidney grille with black vertical slats Standard
    Daytime running lights Standard
    Door sill finishers Standard
    Dual chrome exhaust Standard
    Electric adjustable heated door mirrors Standard
    Electric front and rear windows with fingertip open/close + anti-trap all round Standard
    Follow me home headlights Standard
    Front fog lights Standard
    Headlight washers Standard
    Heat insulating tinted glass Standard
    Heated windscreen washer jets Standard
    High gloss shadow line Standard
    M aerodynamic bodystyling Standard
    Rain sensor including auto headlights activation Standard
    Windscreen with grey shadeband Standard
    Body colour air breather No Cost
    High gloss black air breather No Cost
    Model designation deletion No Cost
    Solid paint No Cost
    Trim designation deletion on side No Cost
    Xenon headlights No Cost
    High beam assistant £150
    Wind deflector £265
    Exterior mirrors - electrically folding with anti-dazzle £300
    Adaptive headlights £360
    Metallic paint £645
    Electrically retractable towbar £750
    Individual paintwork £1,395
    Adaptive LED Headlights £1,600


    Solid - Alpine white No Cost
    Metallic - Black sapphire £645
    Metallic - Estoril Blue £645
    Metallic - Glacier Silver £645
    Metallic - Melbourne red £645
    Metallic - Mineral grey £645
    Individual paint - Champagne quartz £1,395
    Individual paint - Citrine black £1,395
    Individual paint - Smoked topaz £1,395
    Individual paint - Tanzanite blue £1,395


    Auxiliary point for auxiliary devices Standard
    Bluetooth audio streaming Standard
    BMW professional radio/CD/MP3 Standard
    DAB Digital radio Standard
    6 speakers No Cost
    Wi-Fi hot spot No Cost
    Online entertainment £160
    BMW advanced loudspeaker system £430
    Harman/Kardon surround sound system £675
    TV function including reception of digital TV stations £825


    Drive Performance Control Standard
    Delete M sports suspension No Cost
    M sports suspension No Cost
    Adaptive M Sports suspension £515

    Extended lights package - 4 Series

    Ambient interior lighting
    Driver and passenger illuminated vanity mirror
    Exit lights in doors
    Front footwell illumination
    Front/rear reading lights
    Interior door handle illumination
    Luggage compartment lighting

    Non Smokers pack

    No Cost
    12V power point front
    Storage compartment ilo ashtray and cigar lighter

    Media pack - Professional - 4 Series

    No Cost
    BMW remote services
    Concierge service
    Full black panel display
    Professional multimedia navigation system
    Real time traffic information

    Smokers pack - 4 Series

    Front ashtray and cigar lighter

    Extended storage pack - 4 Series convertible

    12V power point in luggage area
    12V socket in rear centre console
    Luggage retaining net

    Interior comfort pack - 4 Series Convertible

    12V power point in luggage area
    12V socket in rear centre console
    Front sliding armrest
    Luggage retaining net
    Through load system

    Driving assistant pack - 4 Series/M4

    Active pedestrian safety system
    Collision mitigation braking system
    Forward collision warning
    Lane departure warning system

    Advanced parking pack - 4 Series

    Park assist gap measurement and steering assist
    Reversing camera

    Active security pack (in conjunction with Innovation pack) - Professional - 4 Series

    Active pedestrian safety system
    Collision mitigation braking system
    Dynamic safety
    Forward collision warning
    Lane change warning system with blind spot check
    Lane departure warning system

    Convertible comfort pack - 4 Series

    Air Collar
    Heated steering wheel
    Wind deflector

    Active security pack - Professional - 4 Series

    Active pedestrian safety system
    Collision mitigation braking system
    Dynamic safety
    Forward collision warning
    Lane change warning system with blind spot check
    Lane departure warning system

    Innovation pack - 4 Series Luxury/M Sport

    Active pedestrian safety system
    BMW remote services
    Collision mitigation braking system
    Concierge service
    Enhanced bluetooth with wireless charging and Wi-Fi hot spot
    Forward collision warning
    Full black panel display
    Head up Display
    Lane departure warning system
    Navigation System Professional
    Online entertainment
    Real time traffic information
    Speed limit display

    M Sport plus pack - 4 series

    19" M Double spoke alloy wheels - style 442M in Bicolour Orbit grey
    Harman/Kardon surround sound system
    M Sport braking system

Technical Specifications

  • Max Speed 143 mph
  • Max Power 181 bhp
  • Height: 1,384 mm Width: 1825 mm Width (inc. mirrors): 2,017 mm
    Wheelbase: 2,810 mm Length: 4,638 mm
  • Engine and Drive Train

    Cylinders - Bore
    82 mm
    Cylinders - Stroke
    94.6 mm
    Cylinder Layout
    Number of Valves
    Fuel Delivery
    Turbo Direct Injection
    Catalytic Convertor
    Engine Layout
    North South
    Compression Ratio
    6 Speed
    Engine Code
  • Performance

    Engine Power
    184 BHP/PS
    Engine Power in PS?
    8.2 secs
    Top Speed
    143 mph
    Engine Power
    135 kW
    Engine Power At
    5,000 RPM
    Engine Torque
    214 lbs/ft
    Engine Torque
    290 Nm
    Engine Torque At
    1350 RPM
  • Fuel Consumption

    EC Directive 1999/100/EC Applies
    EC Urban
    32.8 mpg
    EC Extra Urban
    51.4 mpg
    EC Combined
    42.8 mpg
  • Emissions

    153 g/km
    Standard Euro Emissions
    Euro 6
  • Tyres

    Wheel Style
    Double Spoke Style 400M
    Space Saver?
    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
    2,170 kg
    Fuel Tank Capacity
    60 Litres
    Luggage Capacity (Seats Up)
    370 Litres
    No. of Seats
    Minimum Kerbweight
    1,700 kg
    Max. Towing Weight - Braked
    1,400 kg
    Max. Towing Weight - Unbraked
    695 kg
    Max. Loading Weight
    470 kg
    Turning Circle - Kerb to Kerb
    11.3 m
  • General

    Special Edition
    Special Order
    Insurance Group 1 Effective January 07
    31E 50
    Badge Power
    184 BHP/PS
    Badge Engine CC
    Vehicle Homologation Class
    Standard manufacturers warranty
    3 Years
    Standard manufacturers warranty
    Manufacturers Paintwork Guarantee
    3 Years
    Man Corrosion Perforation Guarantee
    6 Years

Running Costs

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


EC Urban 32.8 mpg
EC Extra Urban 51.4 mpg
EC Combined 42.8 mpg

Filling Up

Tank Size 60 litres
Cost to fill £69.12

Annual Estimate

Total Fuel Use 1,062.17 litres
Total Fuel Cost £1,223.62
Road Fund Licence £185.00

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%
2016/2017 £37,675 27% £10,172.25 £2,035 £4,069 £4,578
2017/2018 £37,675 29% £10,925.75 £2,186 £4,371 £4,917
2018/2019 £37,675 31% £11,679.25 £2,336 £4,672 £5,256

Featured BMW 4 Series Review: ‘OPEN FOUR BUSINESS’


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

By Jonathan Crouch
Added 1st November, 2013 , updated 19th February, 2016

The BMW 4 Series Convertible might feature an unfamiliar number but its talents shouldn't come as any surprise. The revised range now features a rejuvenated line-up of petrol powerplants too. 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 20,000 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.