CoolingHigh
Electric water pump failure.
Head gasket / cooling system repair£900–£2,600
Inspect · Check for overheating and coolant warnings.
2011–2017 BMW X3 · common fault repair costs
What the known faults on this BMW X3 typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
Cost at a glance
- Most expensive fault
- £900–£2,600
- Top three risks, from
- £2,250
- Worst case, everything
- £7,600
The single priciest documented job on the 2011–2017 BMW X3 is head gasket / cooling system repair at £900–£2,600. Few cars need every repair listed here · treat £2,400–£7,600 as the full exposure if one arrived with all of them.
Cost per fault
EngineHigh
N20 timing chain wear.
Timing chain, tensioner & guides£900–£2,400
Inspect · Listen for cold-start rattle and check for any chain replacement.
DrivetrainMedium
xDrive transfer case whine / actuator wear.
Driveline / differential repair£450–£1,800
Inspect · Listen for a whine and any drivetrain vibration.
EngineMedium
Oil-filter-housing and valve-cover gasket leaks.
Water-ingress trace & seal£150–£800
Inspect · Look for oil residue around the housing and cover.
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Inspecting a BMW X3 this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.