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NHTSA 11030317: Engine replacement
Engine replacement on B46/B48/S58 engines (2025); the fix is replacing the affected part.
BMW over-the-air update · NHTSA ID 11030317 · Mar 2026
What it covers
BMW can deliver this update remotely. A BMW center can also install it.
It was determined that due to a manufacturing defect, there may be a peeling of the sliding layer of the main bearing shells. The peeling may cause engine damage to your vehicle in some cases. The main bearing shells will need to be replaced.
Details
| Bulletin number | NHTSA 11030317 |
|---|---|
| NHTSA ID | 11030317 |
| Document IDs filed | InVeh-InApp-Comm |
| Type | Over-the-air update |
| Date | |
| Models | 430i, M3 |
| Model years | 2025 |
| Chassis | G22, G23, G26, G80, G81 |
| Engines | B46/B48, S58 |
| Component (NHTSA) | Engine |
Model, year and engine coverage comes from NHTSA's records. Not every car in this range is affected; the official document lists the exact production dates and conditions.
More for these cars
Related bulletins
- SIB 01 01 26 EVAP system warranty extension EVAP system warranty extension on B46/B48/B58 engines (2020–2025); BMW extended the warranty on this part for eligible cars. Warranty extension · May 2026
- SIB 11 05 21 Water pump cracking Water pump cracking on BMW G05/G06/G07/G20 and other models (2017–2022); BMW repairs affected cars free under a service campaign. Service campaign · Dec 2024
- SIB 06 13 26 Auxiliary Water Pump Return Auxiliary Water Pump Return on BMW G01/G20/G22/G23 and other models (2024); BMW explains the cause and the approved repair. Other communication · Feb 2026
- 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 26 Delivery Stop - Bearing Shell Delivery Stop - Bearing Shell on S58 engines (2026); unsold cars were held for inspection and repair before delivery. Service campaign · Feb 2026
- SIB 11 02 24 Drive belt service campaign Drive belt service campaign on S58 engines (2024–2025); BMW repairs affected cars free under a service campaign. Service campaign · Jul 2024
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Some failures are covered by a safety recall or a warranty extension. Our free recall check lists NHTSA recalls for your car's model and year.
Source: NHTSA Manufacturer Communications (public data). BimmerBench is not affiliated with BMW or NHTSA. The title and description above are our own plain-English summary; the full bulletin is BMW's document, linked above.