Fault File
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BMW X1

All generations and engines together · 106,770 MOT tests in the 2025 data · typical mileage at age 7: 60k

First-time failure at age 7
14.6%
Across 13,888 tests. The average across all tracked models is 19.5%.
Rank at age 7
48 of 239
1 = lowest failure rate among the models tracked.
Typical mileage at age 7
60k miles
Check the mileage view below; low-mileage models can look better by age than they are.

Generation

Split by first-registration year. Cars registered in a changeover year can belong to either generation.

How this model wears

BMW X1Class average, all tracked models

Known issues

Measured

Computed from DVSA MOT results, all of Great Britain, 2025. Nothing here is opinion.

What testers flag

Share of tests where each item was recorded. The dark tick is the class average across all tracked models; bars are scaled within each group.

Faults with the car itself

The rows that judge the model rather than its keeper. 48,764 tests in this band.

A suspension pin, bush or joint excessively worn
Advisory
10.1%class 5.9%
A spring or spring component fractured or seriously weakened
Fail
1.9%class 1.4%
A suspension pin, bush or joint excessively worn
Fail
1.8%class 0.9%
Brake pipe damaged or excessively corroded
Advisory
1.0%class 1.9%
A shock absorber damaged to the extent that it does not function or showing signs of severe leakage
Advisory
1.0%class 2.3%
A spring or spring component fractured or seriously weakened
Advisory
0.9%class 1.3%
A headlamp or light source missing, inoperative or more than ½ not functioning in the case of LED
Fail
0.7%class 0.8%
A lamp with a multiple light source up to 1/2 not functioning
Minor
0.7%class 0.1%
Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users
Advisory
0.7%class 2.0%

Wear, upkeep and luck

Tyres, pads and stone chips say more about how the car was driven and maintained than about how it was built.

Tyre tread depth not in accordance with the requirements
Advisory
23.9%class 22.9%
A tyre seriously damaged
Advisory
16.6%class 12.7%
A brake lining or pad worn below 1.5mm
Advisory
9.3%class 8.7%
Brake disc or drum excessively weakened, insecure or fractured
Advisory
4.9%class 10.1%
Child Seat fitted not allowing full inspection of adult belt
Advisory
4.6%class 2.2%
Brake disc or drum significantly and obviously worn
Advisory
3.3%class 3.4%
The aim of a headlamp is not within limits laid down in the requirements
Fail
2.8%class 2.8%
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
Minor
2.4%class 2.0%

Unconfirmed issues

Reported

Owner folklore from forums and the motoring press. Most of it never shows up in an MOT, which is why this section exists at all.

iDrive, Connected Drive and driver-assist glitches

Emerging

Owners of the 2015-2022 X1 (F48) report iDrive rebooting itself, Connected Drive cutting out, and the system hanging on the splash screen in cold weather, with voice control and the rain sensor also named as unreliable. One dealer told Honest John 'we've had a lot of iDrive problems recently.' A smaller number of owners also report the autonomous emergency braking triggering for no reason at speed, which a dealer software update is said to fix. None of this is the subject of a public recall, so treat it as a repeated owner complaint rather than a proven pattern.

Reported across F48 ownership, no clear mileage pattern · sources: Honest John Ask HJ

Turbo and injector wear on the F48

Emerging

Separate from the electronics complaints, 2015-2022 X1 owners have reported turbo failure as early as 40,000 miles on a 2016 car, and number 4 fuel injector failure at comparatively low mileage on other examples. Some dealers have treated the injector as a wear item rather than a warranty claim, leaving the owner with the bill. Costs run from a few hundred pounds for an injector to well over a thousand for a turbo.

Reported from around 40k miles · sources: Honest John Ask HJ

N47 diesel turbo bearing oil seal failure

Diesel only

On the original 2009-2015 X1, the N47 diesel's turbo bearing oil seals have been reported to fail, letting the turbo spin unchecked past 7,000rpm until the engine itself is destroyed. It's a diesel-specific report to Honest John rather than a confirmed widespread pattern, but the failure mode is catastrophic when it happens, and repair means a new turbo and possibly engine work, likely running into four figures.

Diesel (N47) only, 2009-2015 X1 · sources: Honest John Ask HJ

8-speed automatic clutch pack and starter ring gear wear

Automatics only

A reported case on a 2012 X1 automatic saw friction plate and starter ring gear failure at around 80,000 miles, which took the torque converter and starter motor with it, with a repair quote over £2,000. It's a single documented case rather than a widespread pattern, but worth checking for on a test drive with a full-throttle kickdown, feeling for hesitation or a clunk.

One reported case at ~80k miles, 2009-2015 X1 automatic · sources: Honest John Ask HJ

xDrive front differential failure

xDrive only

A 2009-2015 xDrive X1 was reported to have suffered premature front differential failure at around 48,000 miles, put down to the sealed diff oil degrading with age since it isn't on the routine service schedule. Front-wheel-drive sDrive cars aren't affected. On an xDrive car with no record of the diff oil ever being changed, budget for it or ask the seller to do it before you buy.

One reported case at ~48k miles, xDrive only · sources: Honest John Ask HJ

Integrated braking system recall and infotainment glitches

Confirmed pattern

The current (2022-on) X1 has been the subject of several official safety recalls, including a wide-ranging one covering an electrical fault in the integrated braking system. Separately, reviewers describe the infotainment software as glitchy on early cars. Check the car's recall status with BMW or the DVSA recall checker before buying, since not every affected car will have had the work done.

2022-on X1 · sources: Parkers

Viewing one? Ask this

Built from the two sections above.

Turn on the infotainment from a cold start and watch the boot-up screen. A long hang or reboot loop points to the iDrive and Connected Drive fault reported on 2015-2022 cars.
On a car with driver-assist systems, take it on a dual carriageway and note if the brakes grab on their own. Sudden unprompted braking is the AEB fault some F48 owners have reported.
Check the service history for turbo or injector work, especially on a 2015-2022 car with over 30-40k miles. Turbo and injector wear has been reported from around 40,000 miles on the F48.
On a diesel 2009-2015 X1, listen for a rattle or whine from the turbo at idle and under load. Consistent with the N47's reported turbo bearing oil seal failure, which can wreck the engine if ignored.
On an automatic 2009-2015 car, do a full-throttle kickdown and feel for hesitation or a clunk from the gearbox. Could be early signs of the friction plate and ring gear wear reported at high mileage.
On an xDrive car, ask when the front differential oil was last changed. It's a sealed-for-life item off the service schedule, and one has reportedly failed around 48,000 miles from age-related oil breakdown.
Check the car's recall status with BMW or the DVSA recall checker before buying a 2022-on X1. It's been subject to several official recalls, including one covering the integrated braking system.

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