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SIB 12 12 10: Engine service information
Engine service information on N52/N54 engines (2007–2010); BMW explains the cause and the approved repair.
BMW service bulletin · NHTSA ID 10043860 · Nov 2012 · also written SI B12 12 10, B121210
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.
When parking or braking at low speeds, engine may drop to low speed when slowing to stop.
Details
| Bulletin number | SIB 12 12 10 Also written: SI B12 12 10, B121210, 12 12 10, SIB-12-12-10, SI B121210 |
|---|---|
| NHTSA ID | 10037702, 10043860 (revisions) |
| Document IDs filed | SI B12 12 10, SIB-12-12-10 |
| Type | Service bulletin |
| Date | (first filed Jun 2010) |
| Models | Z4 |
| Model years | 2007–2010 |
| Chassis | E89, E85, E86 |
| Engines | N52, N54 |
| Component (NHTSA) | Electrical System › Software Engine And Engine Cooling Engine And Engine Cooling › 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.
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Before you pay: check your VIN for recalls
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.