Used BMW 4 Series Convertible 2021-present reliability

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The BMW 4 Series was tested for safety by Euro NCAP in 2019, and both the Coupé and Convertible versions received the full five-star rating. They scored well, partly thanks to the model's standard collision-prevention equipment, including automatic emergency braking (AEB) and lane-departure warning.

As of writing, the 4 Series Convertible is yet to have any recalls to its name.

Click here for more information. Contact your local BMW dealer if you believe your vehicle is involved in a recall.

The BMW 4 Series Coupé, on which this 4 Series Convertible is based, is a reliable car. Although it was absent from our 2023 What Car? Reliability Survey, the mechanically similar BMW 3 Series (in petrol/plug-in hybrid form) placed third out of 24 cars in the executive car class. Its reliability score of 96.4% is confidence-inspiring and puts the 3 Series above the rival Audi A4.

BMW 3 Series owners told us 13% went wrong, with the most common fault areas being electrics, the engine and infotainment. BMW paid for 96% of repairs and fixed two-thirds of cars in less than a week.

As a car brand, BMW ranked 12th out of 32 manufacturers featured. Its overall reliability score of 93.0% makes it more reliable than Audi and Mercedes but less reliable than Lexus and Volvo.

Used BMW 4 Series Coupé: owners' reliability data

Owners appreciate the car's robust mechanical performance but some have raised concerns about electrical issues, particularly with the car’s sensors and dashboard displays. These problems often require dealer intervention.

The majority of our respondents said their dealership's service was prompt and professional, with repairs generally handled efficiently under warranty. However, a few mentioned experiencing longer-than-expected wait times for parts.

If you'd like to see the full reliability list, head to the What Car? Reliability Survey pages for more information.