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SIB 12 37 14: Catalytic converter check engine light
Catalytic converter check engine light on S55 engines (2015); BMW explains the cause and the approved repair.
BMW service bulletin · NHTSA ID 10148171 · Dec 2014 · also written SI B12 37 14, B123714
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.
Service Engine Soon Light (MIL) On with Oxygen Sensor Faults Stored. The Service Engine Soon light comes on while driving and, in some cases, engine power output may be reduced. The following fault codes can be stored in the DME memory: ?
Details
| Bulletin number | SIB 12 37 14 Also written: SI B12 37 14, B123714, 12 37 14, SIB-12-37-14, SI B123714 |
|---|---|
| NHTSA ID | 10148171 |
| Document IDs filed | 123714 |
| Type | Service bulletin |
| Date | |
| Models | M3, M4 |
| Model years | 2015 |
| Chassis | F80, F82, F83 |
| Engines | S55 |
| 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.
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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.