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

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2013 BMW 135i, 2013 BMW 128i, 2012 BMW 135i, 2012 BMW 128i, and 2011 BMW 135i. 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 86 10 21AZ, see 86 10 PLATFORM

Fig 1: Removing 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 86 10 22AZ, see 86 10 PLATFORM

Fig 2: Identifying Trailing Arm

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 Pressure Plate And Coil Spring

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 86 10 23AZ, see 86 10 PLATFORM

Fig 4: Identifying Coil Spring, Longitudinal Member And Pressure Plates

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 86 10 22AZ, see 86 10 PLATFORM

Fig 5: Identifying Pressure Plate And Coil Spring

Courtesy of BMW OF NORTH AMERICA, INC.