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SIB 51 02 21: Engine and engine cooling service information
Engine and engine cooling service information on S63 engines (2018–2021); BMW explains the cause and the approved repair.
BMW service bulletin · NHTSA ID 10190850 · Mar 2021 · also written SI B51 02 21, B510221
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.
Details
| Bulletin number | SIB 51 02 21 Also written: SI B51 02 21, B510221, 51 02 21, SIB-51-02-21, SI B510221 |
|---|---|
| NHTSA ID | 10188939, 10190850 (revisions) |
| Document IDs filed | B510221 |
| Type | Service bulletin |
| Date | (first filed Feb 2021) |
| Models | M5 |
| Model years | 2018–2021 |
| Chassis | F90 |
| Engines | S63 |
| Component (NHTSA) | Engine And Engine Cooling Parking Brake |
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.