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BMW U11 X1 common problems
2023–present · xDrive28i, M35i xDrive (B46/B48, B48). The known weak spots of the engines used in the U11, with sources, plus the topics that come up most in BMW's service bulletins and NHTSA recalls for this chassis.
Last updated
B46/B48 engine
xDrive28i (2023–present), M35i xDrive (2025–present) · B46/B48 bulletins →
Oil filter housing and coolant leaks
The oil filter housing / oil cooler gasket and cooling system leaks are the most common repairs on these modular four-cylinders.
B58 / B48 oil filter housing (coolant leak): prices →
Fuel tank vent (purge) valve
BMW extended coverage on the EVAP purge valve to 15 years/150,000 miles on many cars. A failed valve sets check-engine codes and can cause rough idle after refuelling.
BMW bulletins on file for the U11:
- SIB 01 02 24 EVAP system warranty extension EVAP system warranty extension on BMW G11/G12/G20/F22 and other models (2016–2024); BMW extended the warranty on this part for eligible cars. Warranty extension · Jun 2026
Most frequent bulletin topics 139 bulletins
| Topic | Bulletins | Examples |
|---|---|---|
| Door | 7 | SIB 51 22 24, SIB 51 30 19 |
| Central display | 7 | SIB 65 07 26, SIB 65 35 24 |
| Seat | 6 | SIB 52 05 25, SIB 52 12 25 |
| Bluetooth | 4 | SIB 84 02 25, SIB 65 16 25 |
| Engine no-start | 3 | SIB 16 01 24, SIB 16 03 23 |
| Bluetooth service campaign | 3 | SIB 65 09 24, SIB 65 10 24 |
| Steering | 3 | SIB 65 09 26, SIB 65 19 26 |
| Navigation | 3 | SIB 65 17 26, SIB 65 28 25 |
BMW service bulletins and warranty extensions filed with NHTSA that list the U11, grouped by topic. A bulletin tells technicians how to diagnose and fix a known issue; it doesn't mean every car has the problem.
NHTSA recalls by component 9
- rear safety belt retractor · 1 recall25V717
- front safety belt retractor · 1 recall25V616
- b-pillar reinforcement plate · 1 recall24V829
- second row outboard seat safety belt · 1 recall23V260
- driver air bag · 1 recall23V079
Matched from NHTSA's public recall file by model and model year. Recall repairs are free; check a VIN.
BMW warranty extensions that list the U11
- SIB 01 02 24 EVAP system warranty extension EVAP system warranty extension on BMW G11/G12/G20/F22 and other models (2016–2024); BMW extended the warranty on this part for eligible cars. Warranty extension · Jun 2026
- SIB 66 07 25 Electrical system warranty extension Electrical system warranty extension on BMW G05/G06/G07/G09 and other models (2024); BMW extended the warranty on this part for eligible cars. Service bulletin · May 2025
If a car qualifies, the listed repair may be free. Check eligibility for the VIN with a BMW center.
Repair prices for these engines
B58 / B48 oil filter housing (coolant leak) B58 / B48 fuel tank vent valve (purge valve)
Prices on these pages are for other chassis with the same engine.
Sources: BMW service bulletins and recalls filed with NHTSA (public data) and the specialist and owner write-ups linked above. Not affiliated with BMW.