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NHTSA 10049439: Misfire service information

Misfire service information on N63 engines (2012); BMW gives diagnosis and repair guidance.

BMW service bulletin · NHTSA ID 10049439 · Oct 2012

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.

Vehicles needs diagnosing for N63 misfire faults when service engine soon lamp is illuminated. Lack of diagnosing engine or fuel system could cause incorrect diagnosis and repeated repair attempts. No models or model years listed.

NHTSA's summary of this communication (excerpt)

Find it on NHTSA.gov →

Details

Bulletin numberNHTSA 10049439
NHTSA ID10049439
Document IDs filedSB-1214
TypeService bulletin
Date
Models128i, 135i, 3 Series, 328i, 335i, 5 Series, 5 Series Gran Turismo, 528i, 535i, 550i, 6 Series, 7 Series, 740i, 750LI, X3, X5, X5 SAV, X6, Z4
Model years2012
ChassisE60, E70, E71, E82, E88, E89, E90, E92, E93, F01, F02, F06, F07, F10, F12, F13, F25, F30, F31, F34
EnginesN63
Component (NHTSA)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.