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SIB 12 20 12: Crankcase ventilation no-start
Crankcase ventilation no-start on N55 engines (2011–2013); BMW gives diagnosis and repair guidance.
BMW service bulletin · NHTSA ID 10150316 · Oct 2012 · also written SI B12 20 12, B122012
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.
N55 Engine: DME FC 160502 Crankcase Ventilation Heater Activation. The Service Engine Soon lamp is NOT illuminated. When diagnosing the vehicle for a customer complaint, the following fault is stored in the DME fault memory. FC 160502 Crankcase ventilation heater, activation: short circuit to ground.
Details
| Bulletin number | SIB 12 20 12 Also written: SI B12 20 12, B122012, 12 20 12, SIB-12-20-12, SI B122012 |
|---|---|
| NHTSA ID | 10150316 |
| Document IDs filed | 122012 |
| Type | Service bulletin |
| Date | |
| Models | 320i, 328i, 335i, 528i, 535i, 550i, ActiveHybrid 3, ActiveHybrid 5 |
| Model years | 2011–2013 |
| Chassis | E60, E90, E92, E93, F07, F10, F30, F31, F34 |
| Engines | 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.
Related repair prices
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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.