34 32 881 Replacing front left or right brake hoses

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Read and comply with General Information .

After completing 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: Pressing Pedal Down To Floor (Brake Pedal Shown)

Courtesy of BMW OF NORTH AMERICA, INC.

Cars up to model year approx. 07/05:

Pull brake hose out of holder (1).

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

Detach brake hose from brake line (2).

Installation:

Tightening torque 34 32 1AZ . See 34 32 BRAKE LINES .

Fig 2: Identifying Brake Caliper, Holder And Brake Line

Courtesy of BMW OF NORTH AMERICA, INC.

Detach brake hose from brake caliper (4).

Installation:

Tightening torque 34 32 2AZ . See 34 32 BRAKE LINES .

Cars from model year approx. 07/05:

Pull brake hose out of both holders (1).

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

Detach brake hose from brake line (3).

Installation:

Tightening torque 34 32 1AZ . See 34 32 BRAKE LINES .

Detach brake hose from brake caliper (4).

Fig 3: Identifying Brake Caliper, Brake Line, Square Head And Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Tightening torque 34 32 2AZ . See 34 32 BRAKE LINES .

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.