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SIB 12 08 02: Engine wiring harness section replacement for ignition coils

Engine wiring harness section replacement for ignition coils on BMW E39/E46 models (2003); the fix is replacing the affected part.

BMW service bulletin · NHTSA ID 10000372 · Oct 2002 · also written SI B12 08 02, B120802

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.

Engine wiring harness section replacement for ignition coils.

NHTSA's summary of this communication (excerpt)

Find it on NHTSA.gov →

Details

Bulletin numberSIB 12 08 02
Also written: SI B12 08 02, B120802, 12 08 02, SIB-12-08-02, SI B120802
NHTSA ID10000372
Document IDs filed120802
TypeService bulletin
Date
Models325i, 330i, 525i, 530i
Model years2003
ChassisE39, E46
EnginesM54
Component (NHTSA)Electrical System › Wiring › Front Underhood

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.

Before you pay, check the VIN for recalls. Some failures are covered by a safety recall or a BMW warranty extension.

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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