34 32 980 Replacing rear left or right brake hoses

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

Necessary preliminary tasks:

Read and comply with General Information. See 34 00... General Information and 34 00... General information on braking in new brake discs / brake pads .
Partially detach underbody panelling . See 51 47... REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT UNDERBODY PANELLING .

After completing tasks, bleed brake system. See Bleeding brake system with DSC.

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: Pressing Pedal Down (Example)

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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 .

Fig 2: Identifying Brake Line And Square Head

Courtesy of BMW OF NORTH AMERICA, INC.

Disengage brake hose from holder (1).

Detach brake hose (2) from brake caliper.

Installation:

Tightening torque 34 32 3AZ .

Fig 3: Identifying Brake Hose And Holder

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.
Insert brake hose in bracket and screw onto brake pipe.