52 14 070 Removing and installing/replacing seat angle adjuster on left or right front seat (normal/electric)

WARNING: This page is about a different car, the 2007 BMW M6, 2006 BMW M6, 2005 BMW 645Ci, and 2004 BMW 645Ci. 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 outer cover, refer to 52 16 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC) .

Release screws (1).

Release screw (2).

Unclip carrier (3) from seat mechanism at rear.

Fig 1: Unclipping Carrier From Seat Mechanism At Rear

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connection (1) on drive unit (2) and disconnect.

Fig 2: Disconnecting Plug Connection On Drive Unit

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Release screws (1).

Installation:

Replace Taptite screws (1).

Tightening torque, refer to 52 10 16AZ in SEATS - TIGHTENING TORQUES - 645CI .

Release screw (2).

Tightening torque, refer to 52 10 17AZ in SEATS - TIGHTENING TORQUES - 645CI .

Remove seat angle adjuster (3).

Fig 3: Removing Seat Angle Adjuster

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Slide left and right O-rings onto shaft. Make sure O-rings are correctly located between seat angle adjuster and seat pan.