2015–2022 BMW 7 Series · common problems & known faults

Air suspension compressor and bag failures

Typically appears

70,000+ miles

What to inspect

Check for sagging and listen for a labouring compressor

Comfort access, gesture control and display glitches

Typically appears

Age-related

What to inspect

Test every door handle, screen and driver assist feature

Timing chain and turbo oil feed wear on diesel sixes

Typically appears

90,000+ miles

What to inspect

Cold start listen and check for oil leaks at the turbo

Water pump and thermostat failures

Typically appears

70,000+ miles

What to inspect

Run to temperature and watch the gauge and coolant level

Blue smoke from the exhaust after extended idling, indicating valve stem seal failure on N63 engines.

Typically appears

70,000-100,000 miles

What to inspect

Allow the engine to idle at operating temperature for five minutes, then blip the throttle sharply. Watch the exhaust for a distinct puff of blue smoke.

Clunking noises over bumps and steering wheel shimmy under light braking due to worn front tension strut bushes.

Typically appears

40,000-60,000 miles

What to inspect

Drive the vehicle at 15 mph and apply the brakes sharply. Listen for a heavy clunk from the front footwell and feel for judder in the steering wheel.

Daytime running light (DRL) halo rings turn yellow or fail completely due to burnt LED modules and light tubes.

Typically appears

4-6 years

What to inspect

Turn on the ignition and headlights. Visually inspect the DRL rings for any yellow or brown discolouration, or sections that fail to illuminate brightly.

Vehicle refuses to charge from a wallbox or displays a drivetrain malfunction warning due to a failed KLE (Convenience Charging Electronics) module.

Typically appears

50,000-80,000 miles

What to inspect

Plug the vehicle into a standard Type 2 forecourt charger. Verify the charging port indicator turns blue then pulses green, and check the iDrive screen confirms active charging.