N47 diesel timing chain wear on older cars
- Typically appears
- 100,000+ miles
- What to inspect
- Rattle at the bulkhead from cold

A 2017 BMW X1 is now 9 years old, so an average example has covered around 121,500 miles. A mid-run car · most launch faults had been addressed by this point, and wear items are the main risk at this age. 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 X1 is 9 years old, so an average example has covered roughly 121,500 miles. At that mileage 3 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.
N47 diesel timing chain wear on older cars
Water pump and thermostat failure
Automatic gearbox harshness with old fluid
Age, electronics and build-related issues that are not mileage-driven.
iDrive, sensors and tailgate motor faults
Generate a tickable pre-purchase checklist for this exact year, mileage and variant · add photos and notes as you inspect.
Check this exact carLater F48 petrol sDrive18i with M Sport trim.
On pre-2015 cars, chain wear is a real cost. Check history closely.
Full BMW history and a good spec list.