34 11 020 Removing and installing/replacing left or right front brake caliper

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

REMOVE WHEELS .
Read and comply with GENERAL INFORMATION .

After completing work: BLEED BRAKE SYSTEM .

Press brake 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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If necessary, pull brake hose out of holder (1).

IMPORTANT: Grip brake hose at square head (3) to prevent connector from turning in retaining bracket.

Disconnect brake hose from brake line (2).

Installation note:

Tightening torque: 34 32 1AZ .

Detach brake hose from brake caliper (4).

Installation note:

Tightening torque: 34 32 2AZ .

Fig 2: Identifying Brake Line, Caliper And Holder

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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.
Move wheels into straight-ahead position.
Insert brake hose in bracket and screw onto brake pipe.

Pull brake pad wear sensor (1) towards rear out of pad (left side only).

If necessary, replace brake pad wear sensor.

Unscrew guide bolts (3).

If necessary, grip at hexagon head (2).

Remove brake caliper by pulling upwards.

Installation note:

Replace guide bolts.

Tightening torque: 34 11 5AZ .

Fig 3: Identifying Brake Pad Wear Sensor And Bolts

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