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SIB 12 21 10: Misfire no-start

Misfire no-start on BMW E46/E82/E88/E90 and other models (2006–2012); BMW explains the cause and the approved repair.

BMW service bulletin · NHTSA ID 10151170 · Mar 2016 · also written SI B12 21 10, B122110

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.

N51 Engine: Service Engine Soon Lamp Illuminated - Loss of Power and Various Faults Stored in the DME. The customer complains that the Service Engine Soon lamp is illuminated.

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 12 21 10
Also written: SI B12 21 10, B122110, 12 21 10, SIB-12-21-10, SI B122110
NHTSA ID10037079, 10151170 (revisions)
Document IDs filedB122110, SIB-12-21-10
TypeService bulletin
Date (first filed Oct 2014)
Models1 Series, 1 Series M, 128i, 135i, 3 Series, 325i, 328, 328i, 330i, 335, 335d, 335i, 335IS, M3
Model years2006–2012
ChassisE46, E82, E88, E90, E91, E92, E93, F30, F31, F34
EnginesM54, M57, N20, N52, N54, N55, S65
Component (NHTSA)Electrical System
Engine
Engine And Engine Cooling › Engine
Fuel System
Gasoline

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.