BMW 4 Series Convertible

BMW 4 Series Convertible



Elegant styling, aerodynamic details, sporty proportions – the BMW 4 Series Convertible delights your senses visually too. With the Retractable Hard-Top open or closed, the BMW 4 Series Convertible is prepared to take the world by storm. Inside, choice materials, elegant leather upholstery and atmospheric interior lighting are always a feast for the eyes.

BMW 4 Series Range


The multi-faceted design of the BMW 4 Series Convertible makes it an imposing sight even when stationary. The striking double kidney grille and optional Adaptive LED Headlights form a distinctive combination. The Retractable Hard-Top lets you have that open-air convertible feeling along with the advantages of a sturdy roof for winter conditions. It boasts a coupé style low and prolonged roofline from the outside, which can be opened and closed quickly – even when driving slowly up to 11mph. The Retractable Hard-Top also provides generous headroom in the front and rear. There is an integrated LED light located in the middle of the headliner for illuminating the rear seats, and the particularly effective insulated roof absorbs vibrations, creating pleasant acoustics even during fast drives. So that you can enjoy driving the BMW 4 Series Convertible – all levers, switches and knobs are arranged ergonomically, precisely where the driver intuitively expects to find them. The seats with integral belts make driving a sheer pleasure thanks to ergonomics and perfect lateral support. The BMW 4 Series Convertible’s luggage compartment makes light work of loading up. With plenty of space available, it is both functional and convenient. The BMW 4 Series Convertible has a spacious luggage compartment, plus a handy loading aid that raises the entire roof unit at the push of a button. With the top closed, the luggage compartment offers 370 litres of storage space; that will be sufficient for two golf bags, for example. With the top open you have 230 litres of space for luggage.


The BMW 4 Series Convertible comes complete with an array of assistance systems that reliably support you in many different ways while you drive.  Available in Luxury and Sport models, whichever model you choose it will come with BMW Business Navigation, BMW ConnectedDrive Services and three years' subscription to BMW Online as standard.  BMW ConnectedDrive technologies mean you benefit from safety and comfort of the highest calibre on every drive, leaving you to concentrate on enjoying the journey.


Dynamic Safety is the BMW ConnectedDrive preventive occupant protection system. If a critical situation arises on the road, the front safety belts are reversibly pre-tensioned and the side windows are closed if necessary. A critical situation would include sudden braking or if the vehicle understeers or oversteers sharply. In certain accident situations, the vehicle can quickly be brought to a complete standstill. This helps reduce the likelihood of a second collision or even prevent one altogether.

In addition, the Attentiveness Assistant also monitors the driver’s behaviour for signs of fatigue. This system analyses the steering response and reacts to irregular driving behaviour with a notification in the Control Display – suggesting the driver take a break.

Dimensions (420i)
Vehicle length 4638 mm / 182.6 in
Vehicle Width 2017 mm / 79.4 in
Vehicle Height
1377 mm / 54.2 in
Wheelbase 2810 mm / 110.6 in
Unladen weight (DIN) 1750 kg / 3858 lb

Engine Cylinders 4
​Engine Capacity​1997 cc
Max Torque 270 nm @ 1250-4500 rpm
Max Power 135 kW @ 5000-6250 rpm
Top Speed 143 mph
Acceleration 0-62 mph / 8.2 sec
Combined cycle 41.5 - 44.1 mpg
Urban cycle 30.7 - 32.8 mpg
CO2 149 - 158 g/km

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BMW 4 Series Convertible 360° View

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Model shown is for illustrative purpose only