SuspensionMedium
Front control arm bush knock over broken surfaces
- Typically appears
- 50,000+ miles
- What to inspect
- Drive a rough road and listen for a knock at low speed
2018 BMW X4 problems
A 2018 BMW X4 is now 8 years old, so an average example has covered around 108,000 miles. This is the first model year of the generation · early-build cars carry the highest share of teething faults and the most recall activity, so check the service history for completed recall work. Check the state safety inspection and service history alongside the documented faults below, which are sorted by whether a 2018 car has usually reached the mileage where they appear.
Compiled & reviewed by the VehicleFaults Research Team
Quick answer
The 2018 BMW X4 is 8 years old, so an average example has covered roughly 108,000 miles. At that mileage 3 of the documented faults are already due, so check those first.
Faults a 2018 example has usually reached
Documented onset mileage is at or below the ~108k miles an average 2018 car has covered.
TyresMedium
Uneven wear from run flats and wide rear rubber
- Typically appears
- 20,000+ miles
- What to inspect
- Measure tread inner and outer on all four corners
EngineHigh
Timing chain and turbo actuator faults on diesels
- Typically appears
- 80,000+ miles
- What to inspect
- Cold start and check for boost hesitation on the road
Faults that appear at any mileage
Age, electronics and build-related issues that are not mileage-driven.
ElectricalMedium
iDrive and driver assistance camera calibration faults
- Typically appears
- Age-related
- What to inspect
- Test lane assist, cameras and parking sensors
Inspecting a 2018 BMW X4?
Generate a tickable pre-purchase checklist for this exact year, mileage and variant · add photos and notes as you inspect.
Check this exact carBMW X4 · frequently asked questions
Is the X4 a safe used buy?
Yes with service history and honest tyre wear.
What do buyers complain about most?
Ride harshness and premature tyre wear on large wheels.
Any expensive surprise?
Chain work on high mileage diesels.