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SIB 51 20 22: Structure cracking
Structure cracking on BMW F22/F23/G42/F44 models (2017–2024); BMW explains the cause and the approved repair.
BMW service bulletin · NHTSA ID 11034457 · Jun 2026 · also written SI B51 20 22, B512022
What it covers
A service bulletin tells BMW technicians how to diagnose or fix a known issue. It is not a recall: a repair under a bulletin is normally paid by the owner unless the car is still under warranty or a warranty extension applies.
While driving on rough roads, a cracking sound is heard coming from the headliner area.
Details
| Bulletin number | SIB 51 20 22 Also written: SI B51 20 22, B512022, 51 20 22, SIB-51-20-22, SI B512022 |
|---|---|
| NHTSA ID | 10228430, 10230728, 10235185, 11005231, 11034457 (revisions) |
| Document IDs filed | B512022 |
| Type | Service bulletin |
| Date | (first filed Nov 2022) |
| Models | 228i, 230i, M235i |
| Model years | 2017–2024 |
| Chassis | F22, F23, G42, F44 |
| Engines | B46/B48 |
| Component (NHTSA) | Structure Structure › Body Unknown Or Other |
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.
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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.