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Home >> BMW >> 2015 >> Z4 sDrive28i, Automatic Trans >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Repair -- Z4_E89 >> Brake Lines >> 34 32 881 Replacing front left or right brake hose

34 32 881 Replacing front left or right brake hose

NOTE:

Read and comply with GENERAL INFORMATION .

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 Pedal Support
G04754178Courtesy of BMW OF NORTH AMERICA, INC.

Pull brake hose out of both holders (1).

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

Detach brake hose from brake line (3).

Installation note: 

Tightening torque 34 32 1AZ .

Detach brake hose from brake caliper (4).

Installation note: 

Tightening torque 34 32 2AZ .

IMPORTANT:

First tighten brake hose on brake caliper.

Move wheels into straight-ahead position.

Insert brake hose in bracket and screw onto brake line.

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

After completing work: BLEED BRAKING SYSTEM 

Fig 2: Identifying Brake Caliper, Brake Line, Brake Hose Square Head And Holder
G04726660Courtesy of BMW OF NORTH AMERICA, INC.