34 32 980 Replacing rear left or right brake hoses

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Necessary preliminary tasks:

Read and comply with General Information, see 34 00 ... General Information .
After completing tasks, bleed brake system, see 34 00 050 Bleeding brake system with DSC .

Apply pedal prop and depress brake pedal slightly. 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 Pedal Prop

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect brake hose (2) from brake line (1).

Installation:

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

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

Fig 2: Brake Hose From Brake Line

Courtesy of BMW OF NORTH AMERICA, INC.

Detach retaining plate (1) from metal bracket and feed out brake hose (2).

Disconnect brake hose (2) from brake caliper.

Installation:

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

Fig 3: Retaining Plate And Brake Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

First tighten brake hose on brake caliper.

Insert brake hose in bracket and screw onto brake pipe.

Fit retaining plate (1).

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