Power train: clutch assembly
- Component
- Power train: clutch assembly
- Manufacturer
- BMW OF NORTH AMERICA, LLC
- Vehicles affected
- 2,500
- Reported to NHTSA
- 2008-11-14
- Owners notified
- 2008-12-03
Defect description
BMW IS RECALLING 2,500 MY 2008-2009 M3 PASSENGER VEHICLES WITH AN OPTIONAL DOUBLE CLUTCH TRANSMISSION. THE PROBLEM INVOLVES THE DOUBLE CLUTCH GEARBOX. IN A SITUATION OF RAPID VEHICLE DECELERATION, THE TRANSMISSION SOFTWARE MAY PERFORM A MULTISTAGE DOWNSHIFT.
Safety risk
IN THAT SITUATION, AT LOW VEHICLE SPEEDS, IT IS POSSIBLE FOR THE ENGINE TO STALL INCREASING THE RISK OF A CRASH.
Manufacturer remedy
DEALERS WILL REPROGRAM THE ENGINE AND TRANSMISSION ELECTRONIC CONTROL UNIT WITH UPDATED SOFTWARE FREE OF CHARGE. THE RECALL BEGAN ON DECEMBER 3, 2008. OWNERS MAY CONTACT BMW AT 1-800-831-1117.