34 32 980 Replacing rear left or right brake hose

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Read and comply with GENERAL INFORMATION .

After completing repair 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: Securing Brake Pedal Pressed Position With Pedal Support

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Grip brake hose at square head (2) so that connecting piece can not 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.

Detach brake hose from brake caliper (1).

Installation:

First tighten brake hose on brake caliper.

Tightening torque 34 32 3AZ .

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

Fig 3: Identifying Brake Caliper Brake Hose

Courtesy of BMW OF NORTH AMERICA, INC.