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SIB 11 07 21: Main bearing shell

Main bearing shell on BMW G01/G02/G80/G81 and other models (2022); BMW explains the cause and the approved repair.

BMW service bulletin · NHTSA ID 10204535 · Oct 2021 · also written SI B11 07 21, B110721

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.

Main bearing shell.

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 11 07 21
Also written: SI B11 07 21, B110721, 11 07 21, SIB-11-07-21, SI B110721
NHTSA ID10204535
Document IDs filedB110721
TypeService bulletin
Date
ModelsM3, M4, X3, X4
Model years2022
ChassisG01, G02, G80, G81, G82, G83, F97, F98
EnginesB46/B48, B47, B58, S58
Component (NHTSA)Power Train

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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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.