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SIB 12 06 10: Fuel injectors misfire

Fuel injectors misfire on N54 engines (2008–2011); the fix is replacing the affected part.

BMW service bulletin · NHTSA ID 10034669 · Jul 2010 · also written SI B12 06 10, B120610

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.

N54 engines-misfire faults, diagnosis with istad. Situation (1) service engine soon lamp is illuminated with various misfire fault codes (e.g., 29CC, 29D2, 29D1, 29D0, 29C0, 29CF) stored in DME control module.

NHTSA's summary of this communication (excerpt)

Find it on NHTSA.gov →

Details

Bulletin numberSIB 12 06 10
Also written: SI B12 06 10, B120610, 12 06 10, SIB-12-06-10, SI B120610
NHTSA ID10034669
Document IDs filedSI-B12-06-10
TypeService bulletin
Date
Models1 Series, 3 Series, 5 Series, 6 Series, 7 Series, X3 SAV, X5, X6, Z4
Model years2008–2011
ChassisE60, E61, E63, E64, E65, E66, E70, E71, E82, E83, E88, E89, E90, E92, E93
EnginesN54
Component (NHTSA)Engine And Engine Cooling › Engine
Engine And Engine Cooling › Engine › Diesel
Engine And Engine Cooling › Engine › Gasoline
Fuel System
Gasoline › Fuel Injection System › Injectors

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.

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