52 14 023 Removing And Installing / Replacing Drive For Left Or Right Active Seat

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove front seat . See 52 14 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC) .
Remove seat cover with padding for front seat . See 52 14 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC) .

Release screws (1), tip seat towards rear.

Installation:

Tightening torque. See SEATS - TIGHTENING TORQUES - ALPINA .

Fig 1: Identifying Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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

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).

Fig 2: Identifying Hydraulic Pockets

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection.

Remove drive (1).

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

Fig 3: Identifying Drive And Hydraulic Pockets

Courtesy of BMW OF NORTH AMERICA, INC.