CoolingMedium
Water pump and thermostat housing failures
Head gasket / cooling system repair£900–£2,600
Inspect · Check coolant level and look for warning lights or overheating history
2014–2019 BMW X6 · common fault repair costs
What the known faults on this BMW X6 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
- £11,900
The single priciest documented job on the 2014–2019 BMW X6 is head gasket / cooling system repair at £900–£2,600. Few cars need every repair listed here · treat £3,370–£11,900 as the full exposure if one arrived with all of them.
Cost per fault
EngineHigh
Timing chain guide wear on N55 and early N63 petrol engines
Timing chain, tensioner & guides£900–£2,400
Inspect · Cold start and listen for a rattle from the timing chain area
DrivetrainHigh
Juddering, hesitation, or a skipping sensation from the drivetrain during low-speed tight turns due to xDrive transfer case wear.
Driveline / differential repair£450–£1,800
Inspect · Perform a tight figure-of-eight manoeuvre on full steering lock at walking pace. Feel for binding, skipping, or vibrations through the floorpan.
ElectricalMedium
iDrive infotainment glitches and camera module faults
Infotainment repair or software fix£120–£1,200
Inspect · Test every camera, sensor and infotainment function thoroughly
SuspensionHigh
Air suspension compressor and airbag leaks causing sagging rear ride height
Suspension refresh (per axle)£250–£1,100
Inspect · Check ride height is level after standing overnight and listen for compressor running
BodyMedium
The powered tailgate groans, struggles to lift, or drops slightly after reaching the fully open position due to failing spindle drive struts.
Suspension refresh (per axle)£250–£1,100
Inspect · Open and close the tailgate using the key fob. Listen for grinding noises from the spindle struts and ensure it holds its maximum height without sagging.
EmissionsHigh
Unexplained coolant loss without visible external leaks, often accompanied by an engine management light or rough idling due to EGR cooler failure on diesel models.
EGR valve / cooler replacement£300–£900
Inspect · Check the coolant expansion tank level. Shine a torch around the EGR cooler at the front of the engine for soot deposits or dried white coolant crusts.
BrakesMedium
Front brake disc and pad wear accelerated by weight
Brakes (discs, pads, caliper)£200–£800
Inspect · Check disc thickness and pad wear through the wheels
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 X6 this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.