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

The 420i M Sport 2dr Step Auto is part of the BMW 4 Series range of roadster and cabriolet style petrol cars. With a BHP of around 184, automatic transmission and around 154 (g/km) co2 emissions, the BMW 4 Series Convertible 420i M Sport 2dr Step Auto could well be the ideal lease vehicle for you.

Please see below for some of the monthly leasing deals we have available from top BMW dealerships.

Main image for the BMW 4 Series Convertible 420i M Sport 2dr Step Auto
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  • Additional image for the BMW 4 Series Convertible 420i M Sport 2dr Step Auto
  • Additional image for the BMW 4 Series Convertible 420i M Sport 2dr Step Auto
  • Additional image for the BMW 4 Series Convertible 420i M Sport 2dr Step Auto
  • Additional image for the BMW 4 Series Convertible 420i M Sport 2dr Step Auto

Key information

  •   Transmission Automatic
  •   Fuel Type Petrol
  •   MPG 41.5
  •   Insurance Group 33E
  •   CO2 154
  •   Performance (BHP) 184
DealerPriceFeatures 
Available from Sytner BMW Sheffield From
£444.48 (+VAT)
 Includes road tax Includes manufacturer's warranty Includes breakdown coverView Deal
Available from Barons BMW Automotive LTD From
£414.14 (+VAT)
 Includes road tax Includes manufacturer's warranty Includes breakdown coverView Deal
Available from Bowker BMW From
£390.66 (+VAT)
 Includes road tax Includes manufacturer's warranty Includes breakdown coverView Deal
Available from Rybrook BMW  From
£458.27 (+VAT)
 Includes road tax Includes manufacturer's warranty Includes breakdown coverView Deal
Available from Williams Bolton BMW From
£414.14 (+VAT)
 Includes road tax Includes manufacturer's warranty Includes breakdown coverView Deal
Available from Soper of Lincoln BMW From
£398.60 (+VAT)
 Includes road tax Includes manufacturer's warranty Includes breakdown coverView Deal
Available from Halliwell Jones BMW From
£399.04 (+VAT)
 Includes road tax Includes manufacturer's warranty Includes breakdown coverView Deal

Deal specs

 
Exterior Body Features
  • Body colour fuel filler flapIncluded
  • Visible VIN plateIncluded
  • Lightweight engineeringIncluded
  • Front and rear bumper systemIncluded
  • High gloss shadow line exterior trimIncluded
  • Brushed aluminium inserts in the front door sill finishers with BMW designationIncluded
  • Model designation on right side of tailgateIncluded
  • Exhaust tailpipe - split left and rightIncluded
  • M designation on front side panels, left and rightIncluded
  • Fading supportIncluded
  • BMW emblem on engine compartment lid and tailgateIncluded
  • Illuminated bow type door handles in body colour drivers side with door lockIncluded
  • Side frame decorative moulding black mattIncluded
  • Window recess cover black high glossIncluded
  • Front apron plastic in body colourIncluded
  • One piece front bumper cover including towing eye cover in body colourIncluded
  • Licence plate panel integrated into front bumper and tailgateIncluded
  • BMW kidney grille with mesh grille front side of the nuggets in matt aluminium and frame in chrome high glossIncluded
  • Widened track and increased camber values for max transverse dynamics, agility and steering precisionIncluded
  • Body colour roof finIncluded
Safety
  • Warning triangle and first aid kitIncluded
  • Driver/Front Passenger airbagsIncluded
  • BMW emergency callIncluded
  • 2 x 3-point rear seat beltsIncluded
  • Battery safety cut-offIncluded
  • Front passenger manual airbag deactivationIncluded
  • Seat belt security check for driver and front passengerIncluded
  • Tyre pressure monitoring with three level warning strategyIncluded
  • Child proof locking system in rear doorIncluded
  • Crash sensor activating of airbags,Unlocking doors,hazard warning lights,fuel cut off,interior lighting+activation of safety battery terminal clampIncluded
  • Driver and front passenger side airbags, integrated in the door side seat backrest bolsters for all seat variantsIncluded
  • Head airbags for all 4 outer seatsIncluded
  • Child seat ISOFIX attachment for the two outer rear seatsIncluded
  • Seat belt with belt stopper, pyrotechnic belt tensioners and belt force limitersIncluded
  • Side impact protectionIncluded
Seats
  • Front sport seatsIncluded
  • Electric seat adjustment with memoryIncluded
  • Heated driver and front passenger seatsIncluded
  • 2 Rear seat headrestsIncluded
  • Front seat backrest width adjustmentIncluded
  • 40:20:40 split folding rear seat and rear centre armrest with two cupholdersIncluded
  • Front headrestsIncluded
Interior Features
  • Storage compartment in rear centre consoleIncluded
  • Toolkit located in luggage compartmentIncluded
  • Vernasca leather upholsteryIncluded
  • Four grab handles integrated in roof liningIncluded
  • Illuminated glove compartment with separate small compartmentIncluded
  • 4 pieces lashing eyelets in luggage compartmentIncluded
  • Armrest integrated in front and rear door trim + front centre console armrestIncluded
  • Height adjustable mechanically and infinitely variable steering columnIncluded
  • 2 front cupholder in centre console with clamping elements and matt black inlayIncluded
  • 12V power socket in front centre consoleIncluded
  • 3 spoke M sport leather multifunction steering wheelIncluded
  • Front and rear door pocketsIncluded
Driver Aids
  • Cruise control with brake assistIncluded
  • Variable sport steeringIncluded
  • Attentiveness assistIncluded
  • Active guard plusIncluded
  • Electric power steering with Servotronic steering optimised at all speed rangesIncluded
  • Electric power steeringIncluded
Driver Information
  • iDrive controller on centre consoleIncluded
  • BMW TeleservicesIncluded
  • Optimum shift indicatorIncluded
  • Instrument cluster with speedometer with mph readout, tachometer, fuel gauge and oil temperature gaugeIncluded
  • Check Control warning system for monitoring of lights and door/luggage compartment open warningIncluded
  • Brake pad wear indicator in front and rearIncluded
  • Condition based serviceIncluded
  • Oil sensor for level and grade, warning by check control systemIncluded
  • On board computer - average speed, fuel consumption, outside temp display with acoustic warning, clock/date, service interval, odometer/trip meterIncluded
  • BMW service historyIncluded
  • Integrated owners handbookIncluded
  • BMW ConnectedDrive online servicesIncluded
  • Gearshift time display in manual modeIncluded
  • BMW Live Cockpit Professional Nav with 12.3" instrument display + 10.25" display, Intelligent Voice Assist, BMW OS 7, HDD, 2USB, 4G LTE connIncluded
Exterior Lights
  • Dynamic brake lightsIncluded
  • Adaptive LED HeadlightsIncluded
  • LED front fog lightsIncluded
  • Automatic headlight beam throw control with load dependent regulating reaction, dynamic compensation of braking dive and acceleration squatIncluded
  • Two part LED tailights in L-shape with components in smoked glass, brake light, LED turn indicator and rear fog lightIncluded
  • Welcome lights in interior and door handle areaIncluded
  • Preparation for high beam assistantIncluded
Security
  • Start/stop button with Comfort Go keyless engine start and auto Start/stop deactivation buttonIncluded
  • Alarm system (Thatcham 1) with remote control and electronic engine immobiliserIncluded
  • Central locking switch for all doors, fuel filler cap and luggage compartmentIncluded
  • Vehicle key with M specific designationIncluded
  • Remote control with integrated key one button open/close vehicle and windows, sole opening of the luggage compartment lid and panic modeIncluded
Wheels
  • Reduced rolling resistance tyresIncluded
Entertainment
  • DAB tunerIncluded
  • Electronic service bookletIncluded
Driver Convenience
  • Auto start-stopIncluded
Heating/ Cooling/ Ventilation
  • 3 zone automatic air conditioningIncluded
Chassis/ Suspension
  • Drive performance control - ECO PRO, comfort and sport modesIncluded
  • Stroke dependent dampersIncluded
  • Low centre of gravityIncluded
  • M sport suspensionIncluded
Communication
  • Bluetooth hands free facility with USB audio interface with audio streamingIncluded
Carpets/ Rugs
  • Velour front floor matsIncluded
Packs
  • Connected professional pack - 4 SeriesIncluded
  • Park assist pack - 4 SeriesIncluded
  • M sport exterior styling pack - 4 SeriesIncluded
Transmission
  • 8 speed automatic steptronic transmission with gearshift paddlesIncluded
 
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Weight and Capacities
  • Minimum Kerbweight: 1690
  • Gross Vehicle Weight: 2185
  • Fuel Tank Capacity (Litres): 59
  • Max. Towing Weight - Braked: 1600
  • Max. Towing Weight - Unbraked: 750
  • Max. Loading Weight: 495
  • Luggage Capacity (Seats Up): 385
  • No. of Seats: 4
  • Max. Roof Load: N
  • Luggage Capacity (Seats Down): N
  • Turning Circle - Kerb to Kerb: 11.4
Vehicle Dimensions
  • Length: 4768
  • Width: 1852
  • Wheelbase: 2851
  • Width (including mirrors): 2081
  • Height: 1384
  • Height (including roof rails): N
Fuel Consumption
  • EC Directive 1999/100/EC Applies: No
  • WLTP - MPG - Low: 30.4
  • WLTP - MPG - Medium: 40.9
  • WLTP - MPG - High: 48.7
  • WLTP - MPG - Extra High: 42.8
  • WLTP - MPG - Comb: 41.5
  • WLTP - MPG - Low - Min: 30.4
  • WLTP - MPG - Low - Max: 29.4
  • WLTP - MPG - Medium - Min: 40.9
  • WLTP - MPG - Medium - Max: 39.2
  • WLTP - MPG - High - Min: 48.7
  • WLTP - MPG - High - Max: 46.3
  • WLTP - MPG - Extra High - Min: 42.8
  • WLTP - MPG - Extra High - Max: 40.9
  • WLTP - MPG - Comb - Min: 41.5
  • WLTP - MPG - Comb - Max: 39.8
  • WLTP - FC (l/100km) - Low: 9.3
  • WLTP - FC (l/100km) - Medium: 6.9
  • WLTP - FC (l/100km) - High: 5.8
  • WLTP - FC (l/100km) - Extra High: 6.6
  • WLTP - FC (l/100km) - Comb: 6.8
  • WLTP - FC (l/100km) - Low - Min: 9.3
  • WLTP - FC (l/100km) - Low - Max: 9.6
  • WLTP - FC (l/100km) - Medium - Min: 6.9
  • WLTP - FC (l/100km) - Medium - Max: 7.2
  • WLTP - FC (l/100km) - High - Min: 5.8
  • WLTP - FC (l/100km) - High - Max: 6.1
  • WLTP - FC (l/100km) - Extra High - Min: 6.6
  • WLTP - FC (l/100km) - Extra High - Max: 6.9
  • WLTP - FC (l/100km) - Comb - Min: 6.8
  • WLTP - FC (l/100km) - Comb - Max: 7.1
Performance
  • 0 to 62 mph (secs): 8.2
  • Top Speed: 147
  • Engine Power - BHP: 184
  • Engine Power - PS: Yes
  • 0 to 60 mph (secs): No
  • Engine Power - KW: 135
  • Engine Power - RPM: 5000
  • Engine Torque - LBS.FT: 221
  • Engine Torque - NM: 300
  • Engine Torque - RPM: 1350
  • Engine Torque - MKG: 30.6
Engine and Drive Train
  • Cylinders - Bore (mm): 82
  • Cylinders - Stroke (mm): 94.6
  • CC: 1998
  • Cylinders: 4
  • Cylinder Layout: IN-LINE
  • Number of Valves: 16
  • Camshaft: DOHC
  • Fuel Delivery: TURBO INJECTION
  • Catalytic Convertor: Yes
  • Engine Layout: NORTH SOUTH
  • Compression Ratio: 11.0:1
  • Transmission: SEMI-AUTO
  • Gears: 8 SPEED
  • Engine Code: B48B20M1
General
  • Coin Series: M Sport
  • Coin Description: i
  • Standard manufacturers warranty - Years: 3
  • Standard manufacturers warranty - Mileage: 999999
  • Safety Concerns?: No
  • Special Edition: No
  • Special Order: No
  • Based On ID: N
  • Insurance Group 1 - 50 Effective January 07: 33E
  • Service Interval Mileage: 18000
  • Service Interval Frequency - Months: 24
  • Timing Belt Interval Mileage: N
  • Timing Belt Interval Frequency - Months: N
  • NCAP Adult Occupant Protection %: N
  • NCAP Child Occupant Protection %: N
  • NCAP Pedestrian Protection %: N
  • NCAP Safety Assist %: N
  • NCAP Overall Rating - Effective February 09: N
  • Badge Power: 184
  • Badge Engine CC: 2.0
  • Vehicle Homologation Class: M1
  • Generation Mark: 2
Tyres
  • Tyre Size Front: 225/45 R18
  • Tyre Size Rear: 225/45 R18
  • Tyre Size Spare: TYRE REPAIR KIT
  • Wheel Type: 18" ALLOY
  • Wheel Style: DOUBLE SPOKE STYLE 848M
  • Alloys?: Yes
  • Space Saver?: No
Emissions
  • Standard Euro Emissions: EURO 6
  • HC+NOx: N
  • Particles: N
  • WLTP - CO2 (g/km) - Low: 212
  • WLTP - CO2 (g/km) - Medium: 156
  • WLTP - CO2 (g/km) - High: 133
  • WLTP - CO2 (g/km) - Extra High: 150
  • WLTP - CO2 (g/km) - Comb: 154
  • WLTP - CO2 (g/km) - Low - Min: 212
  • WLTP - CO2 (g/km) - Low - Max: 219
  • WLTP - CO2 (g/km) - Medium - Min: 156
  • WLTP - CO2 (g/km) - Medium - Max: 164
  • WLTP - CO2 (g/km) - High - Min: 133
  • WLTP - CO2 (g/km) - High - Max: 139
  • WLTP - CO2 (g/km) - Extra High - Min: 150
  • WLTP - CO2 (g/km) - Extra High - Max: 158
  • WLTP - CO2 (g/km) - Comb - Max: 161
  • WLTP - CO2 (g/km) - Comb - Min: 154
Electrical
  • Emissions Test Cycle: WLTP
  • RDE Certification Level: RDE 2
 
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