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

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary work

NOTE: After completing tasks, bleed brake system. See 3400048 BLEEDING BRAKE SYSTEM WITH ABS/ASC+T or 3400050 Bleeding brake system with DSC .

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

Courtesy of BMW OF NORTH AMERICA, INC.

Pull brake hose out of holder (1).

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

Disconnect brake hose from brake line (2).

Installation note:

Tightening torque 34 32 1AZ .

Fig 2: Identifying Holder, Brake Line And Square Head

Courtesy of BMW OF NORTH AMERICA, INC.

Detach brake hose from brake caliper (1).

Installation note:

Tightening torque 34 32 2AZ .

Fig 3: Identifying Brake Caliper

Courtesy of BMW OF NORTH AMERICA, INC.

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 lining wear sensor (1) out of brake lining (left side only).

Unscrew guide bolts (2).

Detach brake caliper in direction of arrow.

Installation note:

Replace guide bolts.

Tightening torque 34 11 3AZ .

Fig 4: Removing Brake Caliper

Courtesy of BMW OF NORTH AMERICA, INC.