Necessary preliminary tasks

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Remove WHEEL
Read and comply with GENERAL INFORMATION .
Turn off ignition

After completing work: BLEED BRAKING SYSTEM

Press clutch pedal down to floor and secure with pedal support.

NOTE: The pedal support may only be released when the brake lines are reconnected.
This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Locating Brake Tensioner

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IMPORTANT: Grip brake hose at square head (2) so that connecting piece cannot rotate in retaining bracket.

Disconnect brake hose from brake line (1).

Installation:

Tightening torque 34 32 1AZ Brake Lines.

Pull off retaining clip (3) so that brake hose can be turned.

Fig 2: Identifying Brake Line With Square Head And Retaining Clip

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Pull off retaining clip (1) so that brake hose can be turned.

Detach brake hose from brake caliper (2).

Installation:

Tightening torque 34 32 3AZ .

Fig 3: Identifying Retaining Clip And Brake Caliper

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IMPORTANT: Never twist brake hose when installing it and avoid all contact with parts attached rigidly to the body.

NOTE: First tighten brake hose on brake caliper.
Insert brake hose in bracket and screw onto brake pipe.

Disconnect plug connection on parking brake actuator.

IMPORTANT: Switch off ignition at least 30 secs. before disconnecting the plug connection.

Unscrew guide bolts (1).

If necessary, grip at hexagon head (2).

Remove brake caliper (3).

Installation:

Fig 4: Identifying Brake Caliper And Guide Bolts With Hexagon Head

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Replace guide screws.

Tightening torque 34 21 4AZ Rear Brake.

The PARKING BRAKE ACTUATOR must be modified if the brake caliper is replaced.

After installation, observe the following: switch on ignition and, using parking brake operating element, open parking brake once, close once and open again.