52 14 023 Removing and installing / replacing drive for left or right active seat

WARNING: This page is about a different car, the 2005 BMW 745i, 2004 BMW 745i, 2003 BMW 745i, and 2002 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove front seat, refer to 52 14 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC)
Remove seat cover with padding for front seat, refer to 52 14 400 REPLACING SEAT COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC)

Release screws (1), tip seat towards rear.

Fig 1: Removing Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Tightening torque 52 10 6AZ. Refer to SEATS - TIGHTENING TORQUES .

Unclip hydraulic pockets (1) with supports on left and right from flex mat.

Fig 2: Removing Hydraulic Pockets From Supports

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: If necessary, release clips (2). Remove hydraulic pockets (1) from supports (3).

Feed hydraulic pockets (1) through flex mat towards bottom. Detach retaining points for drive in area (4).

Disconnect plug connection.

Fig 3: Removing Drive

Courtesy of BMW OF NORTH AMERICA, INC.

Remove drive (1).

NOTE: Drive and hydraulic pockets form a single unit and can only be replaced completely.