IsItAGoodCar
UK Reliability Directory

BMW X4 (G02)

Production Years: 2018 - 20243 Documented Faults

The G02 X4 is the sleek, coupe-SUV sibling to the highly acclaimed G01 X3, offering aggressive styling and a remarkably well-built interior. Positioned against the Mercedes GLC Coupe, it trades some practicality for immense road presence and sharper handling. It is highly reliable, sharing the excellent B-series engines and robust electronics of the X3, though it suffers from the same minor cooling and sensor niggles. It perfectly suits buyers wanting a premium, sporty-looking SUV who value dynamic driving over outright cargo capacity.

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Common Faults & Reliability

These are the most common documented problems for the BMW X4 (G02), sorted by their typical impact and frequency.

Active Grille Shutter Motor

medium severity

The motorized air flap louvres behind the kidney grilles can bind due to winter road grit and road salt, causing the internal micro-stepper motor to fail and triggering an engine management light.

Est. repair cost:£300–£600

Steering Rack Play

medium severity

The variable sport steering rack can develop play between the pinion and rack gear over sharp road ridges, causing an unsettling clunk and vague on-centre steering feel on cars fitted with large wheels.

Est. repair cost:£300–£1,500

iDrive Screen Delamination

medium severity

The optically bonded central touchscreen display (CID) can develop internal bubbles, milky patches, or phantom touch inputs as the adhesive layer breaks down under cabin solar heat.

Est. repair cost:£500–£1,200

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