WenmarOpen by Wenmar Pro

Service bulletin 120503

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10002134
Published by NHTSA2003-08-14
Manufacturer's number120503
Manufacturer's date2003-06-01
Replaces120503
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

IGNITION COILS REPLACEMENT. INTERNAL INSULATION FAILURE OF BREMI IGNITION COILS MAY CAUSE REDUCED IGNITION FIRING POWER. ERRATIC ENGINE PERFORMANCE AND CHECK ENGINE LIGHT MAY ILLUMINATE. VOLUNTARY EMISSIONS RECALL CAMPAIGN 03E-A01. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
BMW E65
BMW E66

Listing a model year does not mean every vehicle of it is concerned: the document says which.