WenmarOpen by Wenmar Pro

Service bulletin 121499

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 id608235
Published by NHTSA1999-11-12
Manufacturer's number121499
Manufacturer's date1999-07-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

SUBJECT REGARDING ELECTRICAL INTERFERENCE TO TERMINAL 15 OF THE GENERATOR CAN AFFECT THE OPERATION OF THE GENERATOR REGULATOR CAUSING ON OR MORE FAULTS ON VEHICLES PRODUCED 9/98 THROUGH 1/99. *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

Electrical system

Vehicles listed
BMW E38
BMW E39

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