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Necessary preliminary tasks:

Remove pedal trim.

Removing and installing, replacing over-centre helper spring BMW 3 E90

Press end of pin (1) together with offset pliers and press out pin.

Removing and installing, replacing over-centre helper spring BMW 3 E90

Push in pin (1) fully in direction of arrow.

Removing and installing, replacing over-centre helper spring BMW 3 E90

Detach retainers (1).

Installation:

Check retainers, replace if necessary.
Retainers must lie with both legs in the groove and snap audibly into place.
Slide out pin (2).

Installation:

Lightly grease pin.

Remove over-centre helper spring (3).

There are two versions:

Removing and installing, replacing over-centre helper spring BMW 3 E90

  • (A) Over-centre helper spring
  • (B) Reinforced over-centre helper spring

Assembly of over-centre helper spring:

  • Secure black holder (1) to clutch pedal
  • Smaller coil spacing of spring (2) points to black holder (1)
  • Secure grey holder (3) to bearing block

Lightly grease holder and spring contact surfaces.

Removing and installing, replacing over-centre helper spring BMW 3 E90

Installation:

Secure over-centre helper spring first with black holder to clutch pedal.

Gently press over-centre helper spring together and secure with grey holder to bearing block.

Connect clutch pedal to clutch master cylinder.

When replacing reinforced over-centre helper spring:

Remove locking clamp (1).