BMW 4 Series Convertible G23 2020 Sanremo Green metallic three-quarter front view
BMW 420i M Sport Convertible
Shop The Look
PriceFrom: £49,570.00
EnginePetrol

THE 4

THE BMW 4 SERIES CONVERTIBLE.

PriceFrom: £49,570.00
EnginePetrol
THE 4THE BMW 4 SERIES CONVERTIBLE.

*Models shown are not fully representative of UK specification.

Read more

    A new form of freedom: With its independent, progressive aesthetics and elegant interior, the BMW 4 Series Convertible exudes qualities of the ultimate driving machine. The driving characteristics of the convertible offers sporty dynamics and underline its urge for individual independence.

    Read more

    CHOOSE YOUR LOOK FOR THE BMW 4 SERIES CONVERTIBLE.

    BMW 420i M Sport Convertible

    COMFORT.

    BMW 4 Series Convertible G23 2020 420i M Sport Brooklyn Grey metallic three-quarter front view
    From: £52,970.00
    • TwinPower Turbo 4-cylinder petrol engine 420i with 135 kW (184 hp)
    • Paint finish in Brooklyn Grey metallic, 18" Bicolour Jet Black Double-spoke style 848 M light alloy wheels
    • Tacora Red 'Vernasca' leather, Heated Steering Wheel, Warm Air Collar, Comfor Access

    BMW 420i M Sport Convertible

    TECHNOLOGY.

    BMW 4 Series M Sport Convertible G23 2020 Sanremo Green metallic three-quarter front view
    From: £48,860.00
    • TwinPower Turbo 4-cylinder petrol engine 430i with 180 kW (245 hp)
    • Paint finish in Sanremo Green metallic, 19" Bicolour Orbit Grey Double-spoke style 793 BMW Individual alloy wheels
    • Laserlights, High-Beam Assistant, Harman/Kardon Surround Sound Audio System

    BMW M440i xDrive Convertible

    ULTIMATE.

    BMW M440i xDrive Convertible Portimao Blue metallic G23 2020 three-quarter front view
    From: £68,350.00
    • M TwinPower Turbo 6-cylinder petrol engine M440i xDrive with 275 kW (374 hp)
    • Paint finish in Portimao Blue metallic, 19" Jet Black Double-spoke style 791 M light alloy wheels
    • M high-gloss Shadow Line with extended contents, M Carbon exterior package

    CHOOSE YOUR LOOK FOR THE BMW 4 SERIES CONVERTIBLE.

    BMW 420i M Sport Convertible

    COMFORT.

    BMW 4 Series Convertible G23 2020 420i M Sport Brooklyn Grey metallic three-quarter front view
    From: £52,970.00
    • TwinPower Turbo 4-cylinder petrol engine 420i with 135 kW (184 hp)
    • Paint finish in Brooklyn Grey metallic, 18" Bicolour Jet Black Double-spoke style 848 M light alloy wheels
    • Tacora Red 'Vernasca' leather, Heated Steering Wheel, Warm Air Collar, Comfor Access

    BMW 430i M Sport Convertible

    TECHNOLOGY.

    BMW 4 Series M Sport Convertible G23 2020 Sanremo Green metallic three-quarter front view
    From: £48,860.00
    • TwinPower Turbo 4-cylinder petrol engine 430i with 180 kW (245 hp)
    • Paint finish in Sanremo Green metallic, 19" Bicolour Orbit Grey Double-spoke style 793 BMW Individual alloy wheels
    • Laserlights, High-Beam Assistant, Harman/Kardon Surround Sound Audio System

    BMW M440i xDrive Convertible

    ULTIMATE.

    BMW M440i xDrive Convertible Portimao Blue metallic G23 2020 three-quarter front view
    From: £68,350.00
    • M TwinPower Turbo 6-cylinder petrol engine M440i xDrive with 275 kW (374 hp)
    • Paint finish in Portimao Blue metallic, 19" Jet Black Double-spoke style 791 M light alloy wheels
    • M high-gloss Shadow Line with extended contents, M Carbon exterior package

    BMW 420i M Sport Coupé

    THE BMW 4 SERIES CONVERTIBLE.

    Available with a compelling Representative 4.9% APR.

    BMW (UK) Ltd is a credit broker not a lender. Ts&Cs apply.

    ENJOY EVERY EDGE.

    The highlights of the BMW 4 Series Convertible.

    BMW 4 Series Convertible G23 2020 Sanremo Green metallic side view close-up bonnet

    A STATEMENT OF PURE AESTHETICS.

    The vertical BMW double kidney grille of the BMW 4 Series Convertible.

    The distinctive vertical BMW kidney grille is an entirely new interpretation of tradition. In its progressive shape and thrilling design it invokes the legendary classics such as the BMW 328 or the BMW 3.0 CSi. The impressive design element characterises the front of the BMW 4 Series Convertible and gives it a striking identity.

     BMW 4 Series Convertible G23 2020 Sanremo Green metallic three-quarter rear view

    LEAVING LIMITS BEHIND.

    Drive train and chassis of the BMW 4 Series Convertible.

    The BMW TwinPower Turbo engine in the M440i delivers the supreme performance expected of the new BMW 4 Series Convertible. Going from 0 to 62mph in a mere 4.5 seconds, it is clearly packing some series performance.

    BMW 4 Series Convertible G23 2020 Sanremo Green metallic three-quarter rear view at night with open softtop

    ALWAYS AN EDGE AHEAD.

    The exterior design of the BMW 4 Series Convertible.

    With its long extended silhouette, the BMW 4 Series Convertible creates a sporty and flat impression, while the powerful surface design with precise lines creates an appearance that radiates quality and athleticism. With the top open, the front and rear appear even flatter, thus further emphasising the sporty qualities of the convertible.

    BMW 4 Series Convertible G23 2020 Sanremo Green metallic side view close up interior

    CHASING NEW LEVELS.

    Digital services and driver assistance systems of the BMW 4 Series Convertible.

    In-car apps, intelligent voice assistance or smartphone integration: ultra-modern driver assistance systems and innovative digital services ensure a well-connected driving experience in the BMW 4 Series Convertible.

    DRIVEN BY DESIRE.

    The design of the BMW 4 Series Convertible.

    Irresistibly independent: with its expressive design language, the sporty and elegant BMW 4 Series Convertible underlines its classy presence. From the unmistakeable front, via the aesthetic softtop, to the distinctive rear, the BMW 4 Series Convertible radiates an urge for freedom.
    BMW 4 Series Convertible G23 Sanremo Green metallic 2020 three-quarter side view parking on a parking lot
    BMW 4 Series Convertible G23 2020 Sanremo Green metallic front view driving
    BMW 4 Series Convertible G23 2020 Sanremo Green metallic bird's-eye view soft top
    BMW 4 Series Convertible G23 2020 interior with steering wheel, instrument cluster and Control Display
    BMW 4 Series Convertible G23 2020 Sanremo Green metallic interior centre console and seats
    BMW 4 Series Convertible G23 2020 Sanremo Green metallic interior with open top
    BMW 4 Series Convertible G23 2020 Sanremo Green metallic three-quarter rear view with rear lights
    BMW 4 Series Convertible G23 Sanremo Green metallic 2020 three-quarter side view parking on a parking lot

    The distinctive front of the BMW 4 Series Convertible.

    The front section sits low on the road. Together with the striking BMW double kidney grille and the large air inlets, the narrow double headlights form the unmistakeable face of the BMW 4 Series Convertible.

    BMW 4 Series Convertible G23 2020 Sanremo Green metallic front view driving
    BMW 4 Series Convertible G23 2020 Sanremo Green metallic bird's-eye view soft top

    The softtop of the BMW 4 Series Convertible.

    The elegant top of the BMW 4 Series Convertible combines the comfort of a hardtop with the classical sporty look of a fabric top. The newly developed convertible top inspires with its flat design, low weight and optimal level of comfort in terms of both acoustics and climate. With its innovative technical details, the softtop of the BMW 4 Series Convertible represents a milestone in the development of modern fabric convertible tops.

    BMW 4 Series Convertible G23 2020 interior with steering wheel, instrument cluster and Control Display

    The elegant instrument panel of the BMW 4 Series Convertible.

    A new iconography presents the display of the instrument cluster with even greater precision. Rising in a clockwise direction, the tachometer allows additional usable space for contents in the centre.

    BMW 4 Series Convertible G23 2020 Sanremo Green metallic interior centre console and seats

    The dynamically shaped centre console of the BMW 4 Series Convertible.

    All controls are clearly structured in the centre console, the distinct inclination underpins the sporty aspiration of the interior.

    BMW 4 Series Convertible G23 2020 Sanremo Green metallic interior with open top

    The elegant interior design of the BMW 4 Series Convertible.

    The interior of the BMW 4 Series Convertible conveys sporty exclusivity with every detail. Simple and clearly drawn shapes define the modern design and create a coherent impression of dynamics and driver orientation.

    BMW 4 Series Convertible G23 2020 Sanremo Green metallic three-quarter rear view with rear lights

    Expressive finish of the BMW 4 Series Convertible.

    The rear of the BMW 4 Series Convertible sits firmly on the road and cuts a broad horizontally emphasised figure. Narrow rear lights underpin this impression. A powerfully designed rear apron finishes off the sporty appearance down towards the road.

    AWARD WINNING

    Find out why the BMW 4 Series Convertible and Coupé won the Best Convertible and Best Coupé awards at the What Car? Car of the Year Awards 2023 in the video below.

    Read more

    BMW 4 SERIES CONVERTIBLE M MODELS.

    Self-assured athleticism meets individual freedom: the BMW 4 Series Convertible M models combine progressive design with driving dynamics to produce pure emotion.
    BMW 4 Series Convertible G23 2020 BMW Individual Aventurine Red metallic three-quarter front view standing
    BMW Individual full leather trim 'Merino' Fiona Red/Black BMW 4 Series Convertible Individual G23 2020 interior
    BMW Individual full leather trim 'Merino' Ivory White BMW 4 Series Convertible Individual G23 2020 interior cockpit
    BMW Individual Interior trims 'Carbon Fibre’ with highlight trim finisher Pearl Chrome BMW 4 Series Convertible Individual G23 2020 interior
    BMW Individual interior trim finishers Aluminium fabric high-gloss with highlight trim finisher in Pearl Chrome BMW 4 Series Convertible Individual G23 2020 interior

    BMW INDIVIDUAL FOR THE BMW 4 SERIES CONVERTIBLE.

    The aesthetic design of the BMW 4 Series Convertible represents the ultimate driving machine of open-top driving. Fitted with the exceptional BMW Individual equipment options, the elegant character of the vehicle is further enhanced. Choose from brilliant BMW Individual paint finishes such as the metallic colours of BMW Individual Dravit Grey metallic, BMW Individual Aventurine Red metallic, BMW Individual Tanzanite Blue metallic, and BMW Frozen Portimao Blue metallic.  In the interior, upholsteries of finest ‘Merino’ leather define the sporty and elegant ambience. Included in the range are the BMW Individual full-leather upholstery options in Fiona Red/Black, Black and Ivory White. High-quality BMW Individual interior trim strips such as Aluminium Fabric and Piano Black set individual highlights in the sporty and elegant interior of the BMW 4 Series Convertible.

    DRIVING DYNAMICS OF THE BMW 4 SERIES CONVERTIBLE.

    Drive train and chassis components of the BMW 4 Series Convertible.

    Sporty roadholding, optimum handling and agility, with powerful TwinPower Turbo engines and perfectly matched suspension components, the BMW 4 Series Convertible is prepared for every challenge.

    BMW 4 Series Convertible G23 2020 Sanremo Green metallic three-quarter side view in motion
    BMW TwinPower Turbo 4-cylinder petrol engine BMW 4 Series Convertible G23 2020

    TwinPower Turbo 4-cylinder petrol engine.

    The new generation TwinPower Turbo 2.0-litre 4-cylinder petrol engine offers the ultimate driving machine. It is notable for its power delivery and its responsiveness even at low engine speeds, whilst also being fuel efficient and low in emissions.

    Steptronic Sport transmission BMW 4 Series Convertible G23 2020 interior steering wheel

    Steptronic Sport transmission.

    The optional 8-speed Steptronic Sport transmission with double clutch offers sporty gear changes. In SPORT mode and with gear lever in the left-hand S/M position, the gear shifts are configured for maximum performance.

    BMW xDrive logo BMW 4 Series Convertible G23 2020

    BMW xDrive.

    The optional intelligent BMW xDrive all-wheel drive system smoothly and variably distributes drive power to the front and rear wheels for enhanced traction, driving dynamics and safety.

    Adaptive M suspension BMW 4 Series Convertible G23 2020

    M Adaptive Suspension.

    The M Adaptive Suspension (standard on M Sport Pro and M440i models) can be electrically adjusted at any time to suit the road and driving conditions. You can also adjust the suspension characteristics via the Driving Experience Control, choosing the standard COMFORT mode or the SPORT mode.

    Softtop BMW 4 Series Convertible G23 2020 Sanremo Green metallic bird’s-eye view

    THE COMPACT SOFTTOP OF THE BMW 4 SERIES CONVERTIBLE.

    The newly developed top of the BMW 4 Series Convertible sets new standards both visually and technically. In an innovative manner, it combines the function and comfort of a hardtop with the classic sporty design of a fabric top. At the same time, the elaborately crafted softtop inspires both inside and outside with its high-quality appearance. In the exterior view, the innovative technology of the folding top creates a perfect arch without any visual interruptions, thus underlining the elegant side section of the vehicle perfectly. Alongside its flat design, the softtop of the BMW 4 Series Convertible also impresses with a low centre of gravity and reduced weight. In addition to this, it significantly reduces noises in the interior and provides outstanding insulation against the cold – and, even when the vehicle is in motion, the electric folding top can be opened and closed at speeds of up to 31 mph.

    INNOVATIVE TECHNOLOGIES OF THE BMW 4 SERIES CONVERTIBLE.

    Digital services and driver assistance systems of the BMW 4 Series Convertible.

    BMW 4 Series Convertible G23 2020 interior Driver assistance systems digital services
    Driving Assistant Professional BMW 4 Series Convertible G23 2020 Control Display interior

    Driving Assistant Professional.

    The optional Driving Assistant Professional offers optimum comfort and safety during critical or monotonous traffic situations. Apart from the contents of the Driving Assistant, it also includes Steering and Lane Control Assistant with extended functions, Emergency Stop Assistant and Lane Keeping Assistant with active side collision protection.

    Smartphone Integration BMW 4 Series Convertible G23 2020 Control Display interior

    Smartphone integration.

    With smartphone integration, your vehicle supports Apple CarPlay® and Android Auto® by means of a wireless connection between your smartphone and the vehicle. This allows you to conveniently use familiar functions and various apps in the vehicle.

    Remote Software Upgrade BMW 4 Series Convertible G23 2020 Control Display interior

    Remote Software Upgrade.

    With Remote Software Upgrade, your BMW will always be up to date. You can simply download the upgrades via the My BMW App or via the SIM card installed in the vehicle and then install them. In this way, other available functions in your BMW are also activated.

    TECHNICAL DATA OF THE BMW 4 SERIES CONVERTIBLE.

    BMW 430i engines of the BMW 4 Series Convertible.

    Engine power in kW (hp) at 1/min:

    180 (245)/4,500–6,500

    Acceleration 0–62 mph in s: 

    6.4

    Fuel consumption combined in mpg:

    38.2-40.4

    CO2 combined emissions in g/km:

    168-160

    BMW 4 Series Convertible 430i G23 2020 data sketch

    BMW SERVICE FOR THE BMW 4 SERIES CONVERTIBLE.

    BMW PROACTIVE CARE.

    BMW Proactive Care
    • BMW Proactive Care is our new service promise to you.
    • Proactive Care automatically detects service, maintenance and repair work required for your vehicle and contacts you proactively.
    • You will receive assistance direct from BMW experts and BMW Service Partners.
    • Proactive Care offers you maximum comfort and peace of mind.

    BMW SERVICE INCLUSIVE AND ACCIDENTAL SUPPORT.

    BMW Services & Accident Support
    • Enjoy reassurance from the start with BMW Service Inclusive. For a fixed cost, your routine servicing requirements are covered for at least the first four years from your vehicle’s registration date.
    • Servicing made simple. Spread the costs of your servicing with an affordable monthly cost guaranteed to stay the same.
    • The Teleservices from BMW ConnectedDrive provide your BMW Service Partner with all the relevant vehicle information when a service is required.
    • BMW Accident Support is a complimentary service available to all BMW drivers, no matter the age or how you purchased your vehicle.
    • For no additional cost, all new BMW’s benefit from around the clock and 365 days per year Roadside Assistance cover in the first three years and approved used BMW’s come with a minimum 12 months cover.
    Man uses My BMW App Woman reading book

    REQUEST A VIRTUAL APPOINTMENT.

    Physical BMW showrooms and Aftersales facilities are open and have social distancing measures in place, however if you prefer you can speak to them to help with your research on buying a BMW or for any related query. Simply complete the form below to request a virtual appointment and your chosen BMW Centre will be in touch to arrange a convenient time.
    4 series coupe

    DRIVE AWAY WITHOUT THE WAIT.

    Ever wondered if your perfect BMW is already available? You can search using our BMW New Car Locator. Designed to help you find a brand-new vehicle that suits you; select your preferences from our range of filters including Model, Body Type, budget, and location to browse through hundreds of options, and find your match in a nearby BMW Centre.
    BMW Service Inclusive - smiling woman driving

    BMW SERVICE INCLUSIVE IS AVAILABLE FROM £836.

    With BMW Service Inclusive, routine servicing is covered for at least the first four years after your vehicle’s registration date. With just one upfront payment that is tailored to each model, you can relax in the knowledge that all work will be undertaken by trained BMW Technicians, using only Genuine BMW Parts – most of which come with a two-year warranty.

    GENUINE BMW ACCESSORIES FOR THE BMW 4 SERIES CONVERTIBLE.

    Discover special equipment and useful accessories for the BMW 4 Series Convertible.

    With the BMW 4 Series Convertible, driving pleasure is guaranteed. Genuine BMW Accessories exists to meet your special desires. We offer a broad selection of individual additions and extras that are perfectly suited to the BMW 4 Series Convertible in quality, design and performance, offering you maximum added value – whatever you have in mind.

    BMW 4 Series Convertible G23 Sanremo Green metallic 2020 three-quarter rear view with BMW rear bike rack Pro 2.0
    BMW rear bike rack Pro 2.0 BMW 4 Series Convertible G23 2020 Original BMW Accessories

    BMW rear bike rack Pro 2.0.

    The BMW rear bicycle rack Pro 2.0 is lightweight yet sturdy and can carry up to 60 kg. Outstandingly easy to handle, it can transport two bicycles or e-bikes (can be extended to accommodate three bicycles). Its tilt function allows easy access to the luggage compartment at any time.
    18" M Performance light alloy wheel Double-spoke style 796 M Jet Black matt BMW 4 Series Convertible G23 2020

    18" M Performance light alloy wheel Double-spoke style 796 M Jet Black matt, summer complete wheel set.

    The high-quality 18" M Performance light alloy wheels Double-spoke style 796 M are designed in Jet Black matt with the colour M logo. TPMS Summer complete wheel set with run-flat tyres, wheel size 7.5J x 18 with tyre size 225/45 R18 95Y RSC at the front and 8.5J x 18 with 255/40 R18 99Y RSC at the rear.
    BMW luggage compartment mat BMW 4 Series Convertible G23 2020 interior Original BMW Accessories

    BMW luggage compartment mat.

    The anti-slip, water-resistant and durable BMW luggage compartment mat with raised borders on all sides and a shapely design protects the luggage compartment from dirt and moisture. Designed in black and equipped with a high-quality stainless steel inlay, the fitted mat perfectly blends into the interior of the luggage compartment.
    BMW all-weather floor mats front BMW 4 Series Convertible G23 2020 interior Original BMW Accessories

    BMW all-weather floor mats front.

    The perfectly fitted, durable BMW all-weather floor mats with a raised border and elegant design protect the front footwell against moisture and dirt. They are black and feature a stainless steel inlay.
    BMW LED door projectors BMW 4 Series Convertible G23 2020 Original BMW Accessories

    BMW LED Door Projectors.

    The innovative BMW LED door projectors are automatically activated when opening the doors and project an image onto the ground next to the vehicle via an interchangeable slide. Several motifs are available to choose from to perfectly illuminate the entry area in an individual style.

    BMW M PERFORMANCE PARTS FOR THE BMW 4 SERIES CONVERTIBLE.

    Sporty equipment for the BMW 4 Series Convertible.

    The BMW 4 Series Convertible stands out from the crowd with its concise design: High-quality accessories from BMW M Performance Parts underline the dynamic character of this progressive cabriolet.

    BMW 4 Series Convertible G23 Sanremo Green metallic 2020 three-quarter rear view with BMW rear bike rack Pro 2.0
    M Performance front splitter in carbon fibre BMW 4 Series Convertible G23 2020

    M Performance front splitter in carbon fibre.

    Make a strong statement: the M Performance front splitter made of carbon fibre highlights the vehicle's classy appearance in a highly exclusive manner. A unique motorsport look for anybody who refuses to compromise.

    M Performance kidney grille, carbon fibre BMW 4 Series Convertible G23 2020 white

    M Performance kidney grille, carbon fibre.

    Show your style: The frame of the M Performance front grille is made of hand-crafted premium carbon fibre and the decorative slats consist of extra sturdy plastic. A visual highlight at the front of the vehicle for an especially elegant, sporty and individual look.
    20" M Performance forged wheel Y-spoke style 795 M Jet Black matt BMW 4 Series Convertible G23 2020 white

    20" M Performance forged wheel Y-spoke style 795 M Jet Black matt, summer complete wheel set.

    The high-quality 20" M Performance forged wheels Y-spoke style 795 M are designed in Jet Black matt with the colour M logo and milled M Performance lettering. TPMS summer complete wheel set with run-flat tyres, wheel size 8J x 20 with tyre size 225/35 R20 90Y XL RSC at the front and 8.5J x 20 with tyre size 255/30 R20 92Y XL RSC at the rear.
    M Performance 18-inch brake system BMW 4 Series Convertible G23 2020 white

    M Performance 18-inch brake system.

    For short braking distances – even under high thermal stress: The 18" M Performance brake system features ventilated lightweight sport brake discs. It is equipped with four-piston aluminium fixed-calliper brakes in front and one-piston aluminium floating-calliper brakes in the rear. In M Performance Red. With the colour M logo.
    M Performance side skirt extension in carbon fibre BMW 4 Series Convertible G23 2020

    M Performance side skirts in carbon fibre.

    Inspiring visuals: the M Performance side skirts is made of premium carbon fibre and elaborately manufactured by hand. It optically lengthens the proportions of the vehicle, lending it an even more dynamic appearance. For an extremely athletic and elegant look.

    M Performance steering wheel BMW 4 Series Convertible G23 2020

    M Performance steering wheel.

    Gripping facts: Thanks to its Alcantara-lined grip area the M Performance steering wheel provides excellent feel and grip – for a sportier steering feel. Its distinctive design and centre band made of red leather underscore its motorsport style.
    M Performance interior trims in carbon fibre BMW 4 Series Convertible G23 2020

    M Performance interior trims in carbon fibre.

    Noticeable enthusiasm: M Performance interior trims are made of open-pore carbon. The special processing method not only gives the trims a particularly striking look - the trims also impress with their unique feel. For an individual motorsport atmosphere in the vehicle interior.
    M Performance floor mats BMW 4 Series Convertible G23 2020

    M Performance floor mats.

    Premium look, outstanding grip: the M Performance floor mats add an individual athletic touch to the footwell, lending the whole vehicle a more dynamic appearance. With stitched M Performance lettering. The premium design is rounded out by leather-look surrounds with decorative stitching in contrast colours and a band in the M colours.
    M Performance door sill finisher in carbon fibre BMW 4 Series Convertible G23 2020

    M Performance door sill finisher in carbon fibre.

    For a particularly elegant entry: The M Performance door sill finishers are finished with a high-quality carbon fibre trim and enhance the sporty and exclusive appearance of the vehicle. They are precisely tailored to the design of the vehicle and have been tested according to strict BMW quality criteria. With M Performance designation.

    Fuel consumption and CO2 emissions of the BMW 4 Series Convertible.

    • Figures shown are for comparability purposes; only compare fuel consumption and CO2 figures with other cars tested to the same technical procedures. These figures may not reflect real life driving results, which will depend upon a number of factors including the accessories fitted (post-registration), variations in weather, driving styles, fuel type used and vehicle load.