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Dea
Special offer
Jun delivery

BMW 4 Series Convertible
420i M Sport 2dr Step Auto [2026.25]

Dea
Special offer
Jun delivery
  • Auto-Park/Park Assist
  • Heated Seats
  • Air Conditioning
  • Stop/Start System
  • Automatic Wipers

BMW 4 Series Convertible

Key facts & figures

  • Manufacturer OTR: £53,835
  • Fuel economy: 41.5 mpg
  • Gearbox: Automatic
  • Fuel Type: Petrol
  • Engine size: 1998 cc
  • 0-62mph: 8.2 seconds
  • No. of seats: 4
  • CO2 emissions: 154 g/km
  • Engine power: 184 bhp
  • Boot size: 385 cm³
Vehicle data is provided by a 3rd party and specification will vary according to the model year. We encourage you to check the manufacturer's own specifications. Speak with one of our leasing consultants for further information.
View standard equipment
  • Active guard plus
  • Attentiveness assist
  • Automatic start/stop function
  • BMW ConnectedDrive online services
  • BMW Teleservices
  • BMW iDrive controller on centre console
  • BMW service history
  • Brake pad wear indicator in front and rear
  • Check Control warning system for monitoring of lights and door/luggage compartment open warning
  • Condition based service
  • Cruise control with speed limit function
  • Instrument cluster with speedometer with mph readout, tachometer, fuel gauge and oil temperature gauge
  • Integrated owners handbook
  • Language version English
  • Oil sensor for level and grade
  • On board computer - average speed, fuel consumption, outside temp display with acoustic warning, clock/date, service interval, odometer/trip meter
  • Run flat indicator
  • Shifting point display
  • Start/stop button in black
  • Variable sport steering
  • 8 speed automatic steptronic transmission with gearshift paddles
  • Balanced 50/50 weight distribution
  • Double joint spring strut front axle
  • Drive experience mode switch - Comfort mode, ECO PRO mode and SPORT mode
  • Electronic differential lock control (EDLC)
  • Low centre of gravity
  • M sport suspension
  • Petrol Particulate Filter
  • Stroke dependent dampers
  • DAB tuner
  • Personal eSim
  • Stereo 6 speaker system with 2 mid range speakers in the front and rear door trims + 2 central bass speakers underneath the front seats
  • Acoustic glazing
  • Automatic headlight beam throw control with load dependent regulating reaction, dynamic compensation of braking dive and acceleration squat
  • Automatic windscreen wipers and automatic headlight
  • BMW radiator grille with mesh grille, end face of the nuggets in aluminium matt and frame in chrome matt
  • Body colour fuel filler flap
  • Body colour roof fin
  • Bonnet and tailgate badge
  • Electric folding wing mirrors - Driver side electrochromic, auto anti dazzle function & front passenger side auto parking function without anti dazzle
  • Electric windows - front and rear, with open/close fingertip control, anti trap facility and comfort closing function all round
  • Follow me home headlights
  • Front and rear bumper system
  • Front apron plastic in body colour
  • Green tinted heat protection glazing
  • Illuminated bow type door handles in body colour drivers side with door lock
  • Interior rear view electrochromatic mirror with automatic anti dazzle function
  • LED 3rd brake light
  • LED daytime running lights
  • LED front fog lights
  • LED front indicators
  • Licence plate panel integrated into front bumper and tailgate
  • Low and high beam headlights in Bi-LED
  • M Sport entry door sill strips
  • M designation on front side panels, left and right
  • Model designation on right side of tailgate
  • One piece front bumper cover including towing eye cover in body colour
  • Preparation for high beam assistant
  • Rear boot
  • Reversing light
  • Side frame trim strip black matt
  • Soft top - Black with opening/closing function up to 30mph
  • Solid paint
  • Two part LED tailights in L-shape with components in smoked glass, brake light, LED turn indicator and rear fog light
  • Visible VIN plate
  • Visible exhaust tailpipe finisher
  • Welcome lights in interior and door handle area
  • Widened track and increased camber values for max transverse dynamics, agility and steering precision
  • Wind deflector
  • Windscreen washer jets concealed underneath bonnet
  • 12V power socket in front centre console
  • 2 2nd row folding seats
  • 2 Rear seat headrests
  • 2 front cupholder in centre console with clamping elements and matt black inlay
  • 2 zone automatic air conditioning
  • 3 spoke flat bottom M sport leather multifunction steering wheel
  • 4 pieces lashing eyelets in luggage compartment
  • Anthracite headlining
  • Armrest integrated in front and rear door trim + front centre console armrest
  • BMW ID
  • Battery in luggage compartment
  • Driver seat backrest width adjustment
  • Electric memory seats - electrically adjustable seats with drivers seat memory, exterior mirrors memory and automatic parking function
  • Extended storage - Luggage compartment partition net on left side trim panel, Bag hook on both sides of the luggage compartment
  • Front and rear door pockets
  • Front footwell lights
  • Front sport seats
  • Heated driver and front passenger seats
  • Height adjustable front headrests
  • Illuminated armrest storage compartment
  • Illuminated glove compartment with separate small compartment
  • Interior light and front reading light
  • Luggage compartment light
  • Single front passenger seat
  • Steering column adjustment - Infinitely variable in height and length
  • Sunvisors with illuminated vanity mirrors and ticket pocket
  • Toolkit located in luggage compartment
  • Velour front floor mats
  • Vernasca leather upholstery
  • Ambient lighting pack - 4 Series
  • BMW Live Cockpit Plus pack - 4 Series
  • Connected professional package - 4 Series
  • M High gloss shadowline exterior trim pack - 4 Series
  • M sport exterior styling pack - 4 Series
  • Park assist pack - 4 Series
  • 2 x 3-point rear seatbelts
  • BMW emergency call
  • Brake energy regeneration
  • Braking pre-tensioning
  • Child seat ISOFIX attachment for the two outer rear seats
  • Crash sensor activating of airbags, Unlocking doors, hazard warning lights, interior light, safety battery terminal
  • Driver and front passenger side airbags, integrated in the door side seat backrest bolsters for all seat variants
  • Driver/Front Passenger airbags
  • Dry braking
  • Dynamic Traction Control - DTC
  • Dynamic brake control
  • Dynamic stability control + (DSC+) - Anti-lock Braking System (ABS) with brake assist and cornering brake control + Automatic Stability Control (ASC)
  • Electric parking brake including automatic hold function and automatic release of the parking brake when driving off
  • Front and rear ventilated brake disc
  • Front passenger manual airbag deactivation
  • Head airbags for all 4 outer seats
  • Hill start assistant
  • Seat belt security check for driver and front passenger
  • Seat belt with belt stopper, pyrotechnic belt tensioners and belt force limiters
  • Seat occupancy detection for driver and passenger side
  • Side impact protection
  • Tyre pressure sensors
  • Warning triangle and first aid kit
  • Alarm system for monitoring doors, engine compartment,interior movement sensor,tilt sensor and siren with emergency power supply
  • Centre lock switch - Button in driver's side front door, complete locking of car
  • Closing system with centre locking for all doors, fuel filler flap&tailgate, auto lock after pulling away, incl. 2 remote controls with integrated key
  • Electronic vehicle immobiliser
  • Locking wheel bolts
  • Vehicle key with M specific designation
  • Aluminium rhombicle interior trim - dashboard
  • Luxury instrument panel - Instrument panel and door upper arm trim panels in sensatec, black grey contrast stitching
  • 18" M Double spoke bicolour jet black light alloy wheels - Style 848M
  • Tyre repair kit
    • View technical data
  • 0 to 60 mph (secs) False
  • 0 to 62 mph (secs) 8.2
  • Engine Power - BHP 184
  • Engine Power - KW 135
  • Engine Power - PS True
  • Engine Power - RPM 5000
  • Engine Torque - LBS.FT 221
  • Engine Torque - MKG 30.6
  • Engine Torque - NM 300
  • Engine Torque - RPM 1350
  • Top Speed 147
  • Alloys? True
  • Space Saver? False
  • Tyre Size Front 225/45 R18
  • Tyre Size Rear 225/45 R18
  • Tyre Size Spare TYRE REPAIR KIT
  • Wheel Style DOUBLE SPOKE STYLE 848M
  • Wheel Type 18" ALLOY
  • Alternative Fuel Qualifying False
  • Badge Engine CC 2.0
  • Badge Power 184
  • Based On ID N
  • Coin Description i
  • Coin Series M Sport
  • Generation Mark 2
  • Insurance Group 1 - 50 Effective January 07 32E
  • NCAP Adult Occupant Protection % 96
  • NCAP Child Occupant Protection % 80
  • NCAP Overall Rating - Effective February 09 5
  • NCAP Pedestrian Protection % 93
  • NCAP Safety Assist % 72
  • Safety Concerns? False
  • Service Interval Frequency - Months 24
  • Service Interval Mileage 18000
  • Special Edition False
  • Special Order False
  • Standard manufacturers warranty - Mileage 999999
  • Standard manufacturers warranty - Years 3
  • Timing Belt Interval Frequency - Months N
  • Timing Belt Interval Mileage N
  • Vehicle Homologation Class M1
  • Camshaft DOHC
  • Catalytic Convertor True
  • CC 1998
  • Compression Ratio 11.0:1
  • Cylinder Layout IN-LINE
  • Cylinders 4
  • Cylinders - Bore (mm) 82
  • Cylinders - Stroke (mm) 94.6
  • Engine Code B48B20M1
  • Engine Layout NORTH SOUTH
  • Fuel Delivery TURBO INJECTION
  • Gears 8 SPEED
  • Number of Valves 16
  • Transmission SEMI-AUTO
  • CO 0.237
  • HC 0.018
  • HC+NOx N
  • Noise Level dB(A) 67
  • NOx 0.018
  • Particles 0.0002
  • Standard Emissions EURO 6
  • WLTP - CO2 (g/km) - Comb 154
  • WLTP - CO2 (g/km) - Comb - TEH 158
  • WLTP - CO2 (g/km) - Comb - TEL 154
  • WLTP - CO2 (g/km) - Extra High 150
  • WLTP - CO2 (g/km) - Extra High - TEH 158
  • WLTP - CO2 (g/km) - Extra High - TEL 150
  • WLTP - CO2 (g/km) - High 133
  • WLTP - CO2 (g/km) - High - TEH 139
  • WLTP - CO2 (g/km) - High - TEL 133
  • WLTP - CO2 (g/km) - Low 212
  • WLTP - CO2 (g/km) - Low - TEH 219
  • WLTP - CO2 (g/km) - Low - TEL 212
  • WLTP - CO2 (g/km) - Medium 157
  • WLTP - CO2 (g/km) - Medium - TEH 164
  • WLTP - CO2 (g/km) - Medium - TEL 156
  • EC Directive 1999/100/EC Applies False
  • WLTP - FC (l/100km) - Comb 6.8
  • WLTP - FC (l/100km) - Comb - TEH 6.9
  • WLTP - FC (l/100km) - Comb - TEL 6.8
  • WLTP - FC (l/100km) - Extra High 6.6
  • WLTP - FC (l/100km) - Extra High - TEH 6.9
  • WLTP - FC (l/100km) - Extra High - TEL 6.6
  • WLTP - FC (l/100km) - High 5.8
  • WLTP - FC (l/100km) - High - TEH 6.1
  • WLTP - FC (l/100km) - High - TEL 5.8
  • WLTP - FC (l/100km) - Low 9.3
  • WLTP - FC (l/100km) - Low - TEH 9.6
  • WLTP - FC (l/100km) - Low - TEL 9.3
  • WLTP - FC (l/100km) - Medium 6.9
  • WLTP - FC (l/100km) - Medium - TEH 7.2
  • WLTP - FC (l/100km) - Medium - TEL 6.9
  • WLTP - MPG - Comb 41.5
  • WLTP - MPG - Comb - TEH 40.9
  • WLTP - MPG - Comb - TEL 41.5
  • WLTP - MPG - Extra High 42.8
  • WLTP - MPG - Extra High - TEH 40.9
  • WLTP - MPG - Extra High - TEL 42.8
  • WLTP - MPG - High 48.7
  • WLTP - MPG - High - TEH 46.3
  • WLTP - MPG - High - TEL 48.7
  • WLTP - MPG - Low 30.4
  • WLTP - MPG - Low - TEH 29.4
  • WLTP - MPG - Low - TEL 30.4
  • WLTP - MPG - Medium 40.9
  • WLTP - MPG - Medium - TEH 39.2
  • WLTP - MPG - Medium - TEL 40.9
  • Emissions Test Cycle WLTP
  • RDE Certification Level RDE 2
  • End-of-Life Emissions - CO2e (Equivalent) - tonnes 0.6
  • In-Life Emissions - CO2e (Equivalent) - tonnes 11.1
  • Lifetime Emissions - CO2e (Equivalent) - tonnes 26.3
  • Production Emissions - CO2e (Equivalent) - tonnes 14.6
  • Fuel Tank Capacity (Litres) 59
  • Gross Vehicle Weight 2185
  • Luggage Capacity (Seats Down) N
  • Luggage Capacity (Seats Up) 385
  • Max. Loading Weight 495
  • Max. Roof Load N
  • Max. Towing Weight - Braked 1600
  • Max. Towing Weight - Unbraked 750
  • Minimum Kerbweight 1690
  • No. of Seats 4
  • Turning Circle - Kerb to Kerb 11.4
  • Height 1384
  • Height (including roof rails) N
  • Length 4768
  • Wheelbase 2851
  • Width 1852
  • Width (including mirrors) 2081
    • 420i M Sport 2dr Step Auto [2026.25]
    420i M Sport 2dr Step Auto [2026.25]
    420i M Sport 2dr Step Auto [2026.25]
    Select car reviews
    BMW 4 Series Convertible review
    Select car reviews
    BMW 4 Series Convertible review

    The 4 Series Convertible is a top-down version of BMW’s popular coupe, itself a three-door version of the even-more popular 3 Series. It mixes premium appeal through eye-catching looks and some of the latest in-car tech with an engaging driving experience that its immediate rivals can’t match. The ability to drop down the fabric roof and get the wind through your hair only adds to the experience, but with the roof up it’s nearly as quiet as a regular coupe.

    Read more
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    Leasing Information

    Select Car Leasing is a trading style of Select Contracts (UK) Limited and the firm is authorised and regulated by the Financial Conduct Authority FRN 670832. Select Car Leasing are a credit broker not a lender. Vehicles shown are for illustration purposes only. All offers are subject to change at any time and are subject to finance approval and vehicle availability. Ts and Cs and Arrangement Fees apply. Excess mileage may apply. VAT Registration No 392 2756 72. ICO Registration ZA076253. Company Number 06569098. Select Car Leasing are proud to be a member of the British Vehicle Rental and Leasing Association (BVRLA) No 1846. Copyright 2026 Select Car Leasing. All Rights Reserved.

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