FixVault

12 14 511 Replacing Transmission Speed Sensor (SMG)

NOTE: After completing work: Check transmission fluid level.
CAUTION: Use only the approved gear oil in this manual transmission.

Failure to comply with this requirement will result in serious damage to the transmission.

Remove rear underbody protection.

Detach cable plug (1) on transmission speed sensor.

Fig 1: Identifying Cable Plug Of Transmission Speed Sensor
G03118123Courtesy of BMW OF NORTH AMERICA, INC.

Release screw.

Remove transmission speed sensor (2).

Installation: 

Replace microencapsulated screw.

Tightening torque, refer to 12 14 3AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .

Fig 2: Removing Transmission Speed Sensor
G03118124Courtesy of BMW OF NORTH AMERICA, INC.