52 13 070 Removing and installing/replacing seat angle adjuster (normal/manual) on left or right front seat
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW Z4, 2007 BMW Z4, 2006 BMW Z4, 2005 BMW Z4, and 2004 BMW Z4. 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 . See 52 13 000 Removing And Installing Left Or Right Front Seat
- Remove actuating unit . See 52 13 015 Removing And Installing/Replacing Actuating Unit On Left Or Right Front Seat .
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.
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, see 52 10 16AZ in SEATS - TIGHTENING TORQUES .
Release screw (2).
Tightening torque, see 52 10 17AZ in 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.