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SIB 12 29 14: Reduced Engine Performance
Reduced Engine Performance on BMW E90/E92/E93/F30 and other models (2013–2015); BMW gives diagnosis and repair guidance.
BMW service bulletin · NHTSA ID 10149351 · Oct 2014 · also written SI B12 29 14, B122914
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.
Reduced Engine Performance. When driving with high outside ambient temperatures, repeated stop and go, or high-load operation over longer distances, the engine performance can be reduced.
Details
| Bulletin number | SIB 12 29 14 Also written: SI B12 29 14, B122914, 12 29 14, SIB-12-29-14, SI B122914 |
|---|---|
| NHTSA ID | 10149351 |
| Document IDs filed | 122914 |
| Type | Service bulletin |
| Date | |
| Models | 320i, 328d, 328i, 335i, 428i, 435i, ActiveHybrid 3 |
| Model years | 2013–2015 |
| Chassis | E90, E92, E93, F30, F31, F32, F33, F34, F36 |
| Engines | N20, N47, N52, N55 |
| Component (NHTSA) | Engine And Engine Cooling |
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.
More for these cars
E90 repair costs F30 repair costs F32 repair costs All N20 bulletins All N47 bulletins All N52 bulletins All N55 bulletins
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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.