LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (Seats - Repair) >> Front Seat, Normal, Manual >> 52 13 070 Removing and installing/replacing seat angle adjuster (normal/manual) on left or right front seat

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 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

Necessary preliminary tasks: 

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).

Fig 1: Removing Torsion Bar Spring Out Of Seat Mechanism
G03124805Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Installation: 

Replace Taptite screws (1).

Tightening torque. Refer to SEATS - TIGHTENING TORQUES - 3-SERIES .

Release screw (2).

Tightening torque. Refer to SEATS - TIGHTENING TORQUES - 3-SERIES .

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: Removing Seat Angle Adjuster
G03124806Courtesy of BMW OF NORTH AMERICA, INC.