34 32 881 Replacing front left or right brake hose

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

NOTE: Read and comply with GENERAL INFORMATION .
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

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

Pull brake hose out of holder (1).

Disconnect brake hose from brake line (2).

Installation note:

Tightening torque 34 32 1AZ .

Fig 2: Identifying Holder, Brake Line And Square Head

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Detach brake hose from brake caliper (1).

Installation note:

Tightening torque 34 32 2AZ .

Fig 3: Identifying Brake Caliper

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IMPORTANT: First tighten brake hose on brake caliper.
Move wheels into straight-ahead position.
Insert brake hose in bracket and screw onto brake pipe.
Never twist brake hose when installing it and avoid all contact with parts attached rigidly to the body.