34 11 519 Removing and installing/replacing left or right front brake caliper

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: The brake pad wear sensor must be replaced once it has been removed (brake pad wear sensor loses its retention capability in the brake pad).

Necessary preliminary tasks

Remove WHEELS .
Read and comply with GENERAL INFORMATION .
If necessary, replace BRAKE PAD SENSOR .

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: Identifying 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 connecting piece from turning in retaining bracket.

Fig 2: Identifying Brake Caliper, Brake Lines And Brake Hose Square Head

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Disconnect brake hose from brake line (2).

Installation:

Tightening torque: see 1AZ in 34 32 BRAKE LINES .

Detach brake hose from brake caliper (4).

Installation:

Tightening torque: see 2AZ in 34 32 BRAKE LINES .

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.

Unscrew guide bolts (1).

Remove brake caliper by pulling upwards.

Installation:

Clean guide screws only; do not grease.

Check threads.

Replace all guide screws which are not in perfect condition.

Tightening torque: see 4AZ in 34 11 FRONT BRAKE .

Fig 3: Identifying Guide Bolts

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