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SIB 12 03 21: Wheels software update
Wheels software update on BMW G80/G81/G82/G83 and other models (2020–2021); BMW released a software update.
BMW service bulletin · NHTSA ID 10200230 · Jun 2021 · also written SI B12 03 21, B120321
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.
Due to an software error, the adaptation values of the actuator contiguous wheel slip limitation (ARB) may be lost.
Details
| Bulletin number | SIB 12 03 21 Also written: SI B12 03 21, B120321, 12 03 21, SIB-12-03-21, SI B120321 |
|---|---|
| NHTSA ID | 10200230 |
| Document IDs filed | B120321 |
| Type | Service bulletin |
| Date | |
| Models | M3, M4 |
| Model years | 2020–2021 |
| Chassis | G80, G81, G82, G83, F82, F83 |
| Engines | S55, S58 |
| Component (NHTSA) | Electrical System › Software Equipment Equipment Adaptive/Mobility |
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.