POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
Defect
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE DIFFERENTIAL PINION SHAFT WITHIN THE DIFFERENTIAL CASE ASSEMBLY WAS PRODUCED WITHOUT THE APPROPRIATE SURFACE HARDENING. THIS CAN RESULT IN THE SHAFT EXPERIENCING PREMATURE WEAR.
Consequence
THIS CONDITION WILL CAUSE A NOISE FROM THE DIFFERENTIAL AND, ULTIMATELY, FAILURE OF THE SHAFT AND LOSS OF DRIVE.
Remedy
DEALERS WILL REPLACE THE ENTIRE DIFFERENTIAL ASSEMBLY.
Notes
OWNER NOTIFICATION BEGAN DECEMBER 28, 1998. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT BMW AT 1-800-831-1117. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).