86 10... Removing and installing or replacing left or right coil spring

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Release screw (1) and remove, tilt shock absorber (2) in direction of arrow towards rear.

Installation

Use new self-locking nut.

Hold shock absorber vertically and protective cap points upwards. Completely press in shock absorber once and pull out up to required installation length. Do not tilt shock absorber further than is needed for installation.

Tightening Torque,

Refer to TIGHTENING TORQUE 86 10 21AZ.

Fig 1: Tilting Shock Absorber

Courtesy of BMW OF NORTH AMERICA, INC.

The trailing arm folds down once the coil spring on the arm has been released.

No persons should be located underneath trailing arm. Risk of injury!

Release screw (1) between trailing arm (2) and coil spring.

Installation

Tightening Torque,

Refer to TIGHTENING TORQUE 86 10 22AZ.

Fig 2: Identifying Trailing Arm With Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Remove pressure plate (1) from coil spring (2).

Installation

Use pressure plate with nut.

Fit pressure plate (1) according to its shape (3) into pressure spring (2).

Fig 3: Identifying Coil Spring With Pressure Plate

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) between coil spring (2) and longitudinal member (3). Remove small pressure plate (4) and large pressure plate (5).

Installation

Use pressure plate without nut.

Fit small pressure plate (4) according to its shape (6) into pressure spring (2).

Tightening Torque,

Refer to TIGHTENING TORQUE 86 10 23AZ.

Fig 4: Identifying Longitudinal Member, Coil Spring With Small And Large Pressure Plate And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation

Two persons are needed to install the coil spring correctly. One person presses down the pressure plate (2) seated inside the coil spring (1) and tightens the coil spring (1)/trailing arm (3) screw connection. At the same time, the second person levers the coil spring (1) with a screwdriver into its correct seat.

Tightening Torque for coil spring (1)/trailing arm (3),

Refer to TIGHTENING TORQUE 86 10 22AZ.

Fig 5: Installing Coil Spring

Courtesy of BMW OF NORTH AMERICA, INC.