52 17 030 Removing and installing/replacing backrest frame on left or right front seat (comfort)

WARNING: This page is about a different car, the 2005 BMW 530i, 2005 BMW 525i, 2004 BMW 530i, and 2004 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove front seat. See 52 13 000 Removing And Installing Left Or Right Front Seat (Normal/Semi-Electric) .
Remove both rear panels on front seat backrest. See 52 14 198 Removing And Installing/Replacing Rear Panel On Left Or Right Front Seat Backrest (Normal/Electric) .
Remove inner cover on front seat. See 52 14 041 Removing And Installing Inner Cover On Left Or Right Front Seat (Normal/Electric) .
Remove backrest cover for front seat. See 52 17 405 Replacing Backrest Cover For Left Or Right Front Seat (Comfort) .
Remove head restraint support on front seat. See 52 14 390 Removing And Installing Or Replacing Front Left Or Right Head Restraints (Normal/Electric) .

Release all cable ties on wiring harness (1).

Disconnect all marked plug connections.

Feed through wiring harness (1) at bottom right on backrest frame.

Fig 1: Disconnecting All Marked Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip left and right clips (1).

Unhook seat covers (2) on left and right.

Unscrew left and right bolts (3).

Installation:

Tightening torque, see 52 10 2AZ in SEATS - TIGHTENING TORQUES - 525I & 530I (M54) .

If necessary, remove lumbar cushion with drive and valve block.

Remove backrest frame. See 52 17 030 Removing And Installing/Replacing Backrest Frame On Left Or Right Front Seat (Comfort) .

Fig 2: Removing Left And Right Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The new backrest frame part contains all the drives.