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BMW G02 X4 common problems
2019–2025 · xDrive30i, M40i (B46/B48, B58). The known weak spots of the engines used in the G02, 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
xDrive30i (2019–2025) · 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.
BMW bulletins on file for the G02:
- SIB 06 30 25 Coolant Pump Return Coolant Pump Return on BMW G01/G02/G20/G30 and other models (2020); BMW explains the cause and the approved repair. Other communication · Apr 2025
- SIB 11 10 25 Oil filter housing leak Oil filter housing leak on BMW G02/G20/G22/G23 and other models (2025); BMW explains the cause and the approved repair. Service bulletin · Dec 2025
- SIB 11 01 20 Oil filter housing cracking Oil filter housing cracking on BMW G01/G02/G05/G07 and other models (2012–2021); BMW explains the cause and the approved repair. Service bulletin · Jun 2021
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 G02:
- SIB 01 03 24 EVAP system warranty extension EVAP system warranty extension on BMW G01/G02/G05/G06 and other models (2017–2025); BMW extended the warranty on this part for eligible cars. Warranty extension · Jun 2026
- SIB 13 04 20 Fuel tank fault codes Fuel tank fault codes on BMW G01/G02/G05/G07 and other models (2012–2020); BMW explains the cause and the approved repair. Service bulletin · May 2020
- SIB 16 03 22 Fuel tank check engine light Fuel tank check engine light on BMW G01/G02/F97/F98 models (2018–2022); BMW gives an inspection and repair procedure. Service bulletin · Oct 2022
B58 engine
M40i (2019–2025) · B58 bulletins →
Oil filter housing, valve cover/PCV and coolant leaks
The B58's best-known repairs: oil filter housing gasket leaks, the valve cover with built-in PCV, and coolant leaks from the water pump or expansion tank.
BMW bulletins on file for the G02:
- SIB 06 30 25 Coolant Pump Return Coolant Pump Return on BMW G01/G02/G20/G30 and other models (2020); BMW explains the cause and the approved repair. Other communication · Apr 2025
- SIB 11 10 25 Oil filter housing leak Oil filter housing leak on BMW G02/G20/G22/G23 and other models (2025); BMW explains the cause and the approved repair. Service bulletin · Dec 2025
- SIB 01 14 23 Crankcase vent valve (PCV) warranty extension Crankcase vent valve (PCV) warranty extension on BMW G01/G02/G11/G12 and other models (2016–2021); BMW extended the warranty on this part for eligible cars. Service bulletin · Nov 2023
B58 / B48 oil filter housing (coolant leak): prices → B58 valve cover / PCV failure: prices → B58 water pump (coolant pump): prices →
Fuel tank vent (purge) valve
Covered by BMW's 15-year/150,000-mile EVAP purge valve extension on many cars.
BMW bulletins on file for the G02:
- SIB 01 03 24 EVAP system warranty extension EVAP system warranty extension on BMW G01/G02/G05/G06 and other models (2017–2025); BMW extended the warranty on this part for eligible cars. Warranty extension · Jun 2026
- SIB 13 04 20 Fuel tank fault codes Fuel tank fault codes on BMW G01/G02/G05/G07 and other models (2012–2020); BMW explains the cause and the approved repair. Service bulletin · May 2020
- SIB 16 03 22 Fuel tank check engine light Fuel tank check engine light on BMW G01/G02/F97/F98 models (2018–2022); BMW gives an inspection and repair procedure. Service bulletin · Oct 2022
Most frequent bulletin topics 220 bulletins
| Topic | Bulletins | Examples |
|---|---|---|
| Steering | 6 | SIB 66 24 19, SIB 32 03 25 |
| Central display | 5 | SIB 65 35 24, SIB 61 05 24 |
| Instrument cluster | 5 | SIB 62 02 23, SIB 62 07 19 |
| Key fob | 5 | SIB 61 22 19, SIB 61 07 22 |
| Seat | 4 | SIB 52 05 25, SIB 52 18 23 |
| Radio | 4 | SIB 65 19 22, SIB 65 11 21 |
| Fuel tank | 3 | SIB 13 04 20, SIB 16 01 23 |
| Fuel tank leak check warranty extension | 3 | SIB 01 09 21, SIB 01 15 24 |
BMW service bulletins and warranty extensions filed with NHTSA that list the G02, 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 23
- inner-left roof frame · 1 recall24V910
- integrated transmission control unit · 1 recall23V821
- steering gear · 1 recall23V770
- front seat frame · 1 recall23V211
- transmission mechatronics unit · 1 recall22V070
- rear license plate bracket · 1 recall21V831
- labels · 1 recall21V646
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 G02
- SIB 01 09 21 Fuel tank leak check warranty extension Fuel tank leak check warranty extension on BMW G01/G02/G30/F97 and other models (2006–2023); BMW extended the warranty on this part for eligible cars. Warranty extension · Aug 2026
- SIB 01 15 24 Fuel tank leak check warranty extension Fuel tank leak check warranty extension on BMW G05/G06/G07/G11 and other models (2017–2020); BMW extended the warranty on this part for eligible cars. Warranty extension · Jul 2026
- SIB 01 03 24 EVAP system warranty extension EVAP system warranty extension on BMW G01/G02/G05/G06 and other models (2017–2025); BMW extended the warranty on this part for eligible cars. Warranty extension · Jun 2026
- SIB 72 04 17 Seat warranty extension Seat warranty extension on BMW F90/G01/G02/G05 and other models (2016–2022); BMW extended the warranty on this part for eligible cars. Warranty extension · Jun 2025
- SIB 72 03 25 Seat warranty extension Seat warranty extension on BMW G01/G02 models (2018–2019); BMW extended the warranty on this part for eligible cars. Warranty extension · Jun 2025
- SIB 72 02 25 Seat warranty extension Seat warranty extension on BMW G01/G02/G20/F30 and other models (2019–2021); BMW extended the warranty on this part for eligible cars. Warranty extension · Jun 2025
- SIB 65 01 22 Air bags warranty extension Air bags warranty extension on BMW G01/G02/F26/F97 and other models (2006–2023); BMW extended the warranty on this part for eligible cars. Warranty extension · Jan 2025
- SIB 01 08 21 Fuel tank leak check warranty extension Fuel tank leak check warranty extension on BMW G01/G02/G05/G06 and other models (2020); BMW extended the warranty on this part for eligible cars. Warranty extension · Dec 2024
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 valve cover / PCV failure B58 / B48 fuel tank vent valve (purge valve) B58 coolant expansion tank (G05 X5 40i, high- or low-temp) B58 heat management module (thermostat) replacement B58 oil pump replacement B58 water pump (coolant pump)
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.