Service bulletin SI-B28-06-08

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.

NHTSA's summary

BMW: DUE TO THE M DCT SOFTWARE ERROR, VEHICLE MAY EXPERIENCE A SUDDEN LOSS OF ENGINE POWER WHEN DECELERATING TO A COMPLETE STOP WITH LIGHT BRAKE APPLICATION, OR WHEN PERFORMING A MULTISTAGE DOWNSHIFT (E.G. FROM 5TH TO 2ND GEAR, OR FROM 6TH TO 3RD GEAR). AT THE SAME TIME, TRANSMISSION WILL SHIFT INTO NEUTRAL, AND REDUCED POWER STEERING ASSIST WILL BE DETECTED. *PE

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, Transmission and driveline, Manual transmission

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

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