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34 32 980 Replacing rear left or right brake hose

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Necessary preliminary tasks: 

Removal: 

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: Pressing Brake Pedal Down To Floor Using Pedal Support
G04754178Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Grip brake hose at square head (2) so that connecting piece cannot rotate in retaining bracket.

Disconnect brake hose from brake line (1).

Fig 2: Locating Square Head Of Brake Hose
G11648450Courtesy of BMW OF NORTH AMERICA, INC.

Disengage brake hose from brackets (1).

Detach brake hose (2) from brake caliper.

Fig 3: Locating Clamps Of Brake Hose
G11648451Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

IMPORTANT: Make sure that the brake hose is routed correctly!

Mount brake hose (2) on brake caliper.

IMPORTANT: First tighten brake hose on brake caliper. Never  twist brake hose when installing it and avoid all contact with parts attached rigidly to the body.
Fig 4: Locating Clamps Of Brake Hose
G11648451Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down brake hose (2).

Tightening torque 34 32 3AZ .

Insert brake hose in brackets (1).

Fig 5: Locating Square Head Of Brake Hose
G11648450Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Grip brake hose at square head (2) so that connecting piece cannot rotate in retaining bracket.

Mount brake hose on brake line (1) and tighten down.

Tightening torque 34 32 1AZ .

Fig 6: Pressing Brake Pedal Down To Floor Using Pedal Support
G04754178Courtesy of BMW OF NORTH AMERICA, INC.

Remove pedal support.

Required follow-up work: