52 13 070 Removing and installing/replacing seat angle adjuster (normal/manual) on left or right front seat: Procedure

WARNING: This page is about a different car, the 2003 BMW X5 and 2002 BMW X5. 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 actuating unit, refer to 52 13 015 REMOVING AND INSTALLING/REPLACING CONTROLS ON LEFT/RIGHT FRONT SEAT (NORMAL/MANUAL) .

WARNING: Torsion bar spring (1) is subject to tension. Risk of injury.

Lever torsion bar spring (1) with special tool 512100 in direction of arrow from seat angle adjuster.

Fig 1: Levering Torsion Bar Spring Out Of Seat Mechanism

Courtesy of BMW OF NORTH AMERICA, INC.

Feed torsion bar spring (1) out of seat mechanism.

Installation:

Make sure plastic protector is correctly positioned on contact surface between torsion bar spring and seat mechanism (grating noises).

Release screws (1).

Installation:

Replace Taptite screws (1).

Tightening torque, refer to 52 10 16AZ in SEATS - TIGHTENING TORQUES - X5

Release screw (2).

Tightening torque, refer to 52 10 17AZ in SEATS - TIGHTENING TORQUES - X5

Remove seat angle adjuster (3).

Installation:

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

Fig 2: Installing Seat Angle Adjuster

Courtesy of BMW OF NORTH AMERICA, INC.