Removing and installing/replacing control unit/module for left or right seat adjustment (M4 Convertible)

Attention! 

Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Necessary preliminary work: 

• Remove front seat. Refer to REMOVING AND INSTALLING FRONT PASSENGER SEAT (NORMAL/ELECTRIC) or REMOVING AND INSTALLING FRONT SEAT, DRIVER'S SIDE (NORMAL/ELECTRIC) .

Up to build date 07/13: 

Unlock metal tab (1) towards front and remove control unit for seat adjustment (2) towards bottom.

Unlock and disconnect all associated plug connections.

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Make sure control unit for seat adjustment (1) is correctly seated in bracket (2).

Guides (3) and metal tab (4) must not be damaged.

Courtesy of BMW OF NORTH AMERICA, INC.

Version from 07/13: 

Unlock the sheet metal tabs (2) and remove the control unit for seat adjustment (3) towards the bottom.

Unlock and disconnect all connectors (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Carry out PROGRAMMING/ENCODING .