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Service bulletin 120399

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 id603979
Published by NHTSA1999-03-12
Manufacturer's number120399
Manufacturer's date1999-01-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

SUBJECT REGARDING PROGRAMMING OF ENGINE CONTROL MODULE WITH P16.0. *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

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
BMW BMW

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