Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove rear brake disc See 3421320 REMOVING AND INSTALLING/REPLACING BOTH REAR BRAKE DISCS (BREMBO) or 3421320 REMOVING AND INSTALLING/RENEWING BOTH BRAKE DISCS

Lock adjuster unit (ASZE).

Actuate parking brake lever. Connect special tool 32 1 030 . Press stop (1) of adjusting spring back to such an extent that retaining hook (2) engages in stop (1).

Installation:

Unlock adjuster unit (ASZE).

Lever out restraining hook (2) with a suitable screwdriver.

Restraining hook (2) must detach from stop (1) of adjusting spring.

Fig 1: Removing Retaining Hook From Adjusting Spring

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Disconnect return spring (1) with brake spring pliers.

Installation:

Return spring (1) must not be over-elongated.

Check and if necessary replace return spring (1).

Pay attention to installation position of adjusting screw (2).

Apply a thin coat of to bush and screw threads.

Fig 2: Identifying Return Spring With Brake Spring Pliers

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Disconnect return spring (1) with brake spring pliers.

Installation:

Return spring (1) must not be over-elongated.

Check and if necessary replace return spring (1).

Fig 3: Identifying Return Spring

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Twist roll pins (1) 90° with special tool 34 4 000 and detach.

Remove brake pads (2).

Fig 4: Identifying Brake Pads And Roll Pins

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