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86 10 ... Removing and Installing or Replacing Left or Right Coil Spring

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, 2007 BMW X3, and 2006 BMW X3. 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: 86 10 21AZ, see 86 10 PLATFORM .

Fig 1: Remove Screw & Tilt Shock Absorber
G04786659Courtesy 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: 86 10 22AZ, see 86 10 PLATFORM .

Fig 2: Identifying Screw & Trailing Arm
G04786660Courtesy 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 & Coil Spring
G04786661Courtesy 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: 86 10 23AZ, see 86 10 PLATFORM .

Fig 4: Identifying Screw Between Coil Spring & Longitudinal Member
G04786662Courtesy 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.

For coil spring (1)/trailing arm (3), Tightening Torque: 86 10 22AZ, see 86 10 PLATFORM .

Fig 5: Identifying Coil Spring & Pressure Plate
G04786663Courtesy of BMW OF NORTH AMERICA, INC.