Attention: Depending on the vehicle model, different coil springs with corresponding cups are installed.
When replacing, install a new spring with the same BMW number, same color coding and matching spring cups.
Withdrawal
Detach exhaust system at rear, lower slightly and tie to body with wire.
Release the differential gear rubber support, press down and insert a wooden wedge from below.
Models 323i, 325e, 325m: remove stabilizer bar.
Support the diagonal lever -4- with a jack -5-, placing a wooden spacer -6-.
Caution: Do not damage the brake hose when doing this.
Lower the diagonal lever so that the coil spring can be pulled out.
Attention: If the diagonal lever is lowered too much after the shock absorber has been removed, the constant velocity joints -3- of the axle shafts may be damaged.
Unscrew shock absorber from diagonal link -7-.
Pull out the spring.
Installation
Check for external damage to the spring.
When replacing the spring, the spring cups are also replaced.
Insert the spring so that the ends of the coils of the spring fit into the guides in the spring cups.
Slowly raise the diagonal lever with a jack until the spring is seated. Check the spring setting again.
Tighten lower shock absorber mounting with a tightening torque of 90 Nm.
If removed, install stabilizer.
Remove the wood and wedge and secure the differential gearbox support.
Connect the rear side of the exhaust system (see section «Removal and installation of system of release of the fulfilled gases»).
Remove the jack and lower the car.