52 13 025 Removing and installing/replacing left or right seat mechanism (normal/manual)

Necessary preliminary tasks 

• Remove seat cover  . See REPLACING SEAT COVER FOR LEFT OR RIGHT FRONT SEAT (M3 SPORT SEAT)  or REPLACING SEAT COVER FOR LEFT OR RIGHT FRONT SEAT (SPORT/MANUAL)  for front seat
• Remove BACKREST FRAME  on front seat
• Remove SEAT BELT TENSIONER
• Remove control unit for seat heating

Disconnect all cable ties.

Unlock plug housing (1) from flexmat and disconnect.

Release seat wiring harness (2) from cable holders on seat mechanism.

Fig 1: Locating Seat Wiring Harness And Plug Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement only: 

The seat mechanism is supplied complete with corresponding drive units.