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

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, 2001 BMW X5, and 2000 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

51 2 100

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 51 2 100 in direction of arrow from seat angle adjuster.

Fig 1: Levering Torsion Bar Spring With Special Tool

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).

Fig 2: Removing Seat Angle Adjuster

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace Taptite screws (1).

Tightening torque 52 10 16AZ. Refer to SEATS - TIGHTENING TORQUES .

Release screw (2).

Tightening torque 52 10 17AZ. Refer to SEATS - TIGHTENING TORQUES .

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.