Coolant leaks from the expansion tank / hoses.
- Typically appears
- 70,000+ miles
- What to inspect
- Check for coolant loss and residue; test the cooling system.

A 2017 BMW X5 is now 9 years old, so an average example has covered around 121,500 miles. A late-run car · the most reliable part of the generation, but higher-mileage wear items are usually the deciding factor. Check the state safety inspection and service history alongside the documented faults below, which are sorted by whether a 2017 car has usually reached the mileage where they appear.
Compiled & reviewed by the VehicleFaults Research Team
The 2017 BMW X5 is 9 years old, so an average example has covered roughly 121,500 miles. At that mileage 4 of the documented faults are already due, so check those first.
Documented onset mileage is at or below the ~122k miles an average 2017 car has covered.
Coolant leaks from the expansion tank / hoses.
Oil-filter-housing gasket leak.
N63 V8 oil consumption on 50i models.
Optional air suspension wear / leaks.
Generate a tickable pre-purchase checklist for this exact year, mileage and variant · add photos and notes as you inspect.
Check this exact carComfortable but costly to maintain; cooling and oil leaks are common.
The N63 can consume oil; monitor closely on 50i models.
It can leak with age; check ride height and compressor operation.