Air suspension compressor and airbag leaks causing sagging rear ride height
- Typically appears
- 60,000+ miles
- What to inspect
- Check ride height is level after standing overnight and listen for compressor running

A 2015 BMW X6 is now 11 years old, so an average example has covered around 148,500 miles. An early car in the generation · most of the launch teething issues were still being worked through, so recall completion and dealer rectification history matter. Check the state safety inspection and service history alongside the documented faults below, which are sorted by whether a 2015 car has usually reached the mileage where they appear.
Compiled & reviewed by the VehicleFaults Research Team
The 2015 BMW X6 is 11 years old, so an average example has covered roughly 148,500 miles. At that mileage 4 of the documented faults are already due, so check those first.
Documented onset mileage is at or below the ~149k miles an average 2015 car has covered.
Air suspension compressor and airbag leaks causing sagging rear ride height
Timing chain guide wear on N55 and early N63 petrol engines
Water pump and thermostat housing failures
Front brake disc and pad wear accelerated by weight
Age, electronics and build-related issues that are not mileage-driven.
iDrive infotainment glitches and camera module faults
Generate a tickable pre-purchase checklist for this exact year, mileage and variant · add photos and notes as you inspect.
Check this exact carYes, its weight and complexity mean suspension, brakes and engine work all cost more than average.
The 3.0 diesel is generally the most cost-effective and dependable choice.
It is a known weak point, so checking ride height and compressor noise is essential.
iDrive and camera glitches occur, so testing every feature on a test drive is worthwhile.