34 32 881 Replacing front left or right brake hoses

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 BMW 335xi, 2008 BMW 335i, 2008 BMW 328xi, 2008 BMW 328i, and 2008 BMW 323i. 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: Identifying Pedal Support

Courtesy of BMW OF NORTH AMERICA, INC.

Cars up to model year approx. 07/05:

Pull brake hose out of holder (1).

Detach brake hose from brake line (2).

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

Installation:

For tightening torque refer to 34 32 1AZ in34 32 BRAKE LINES .

Detach brake hose from brake caliper (4).

Fig 2: Identifying Brake Hose Holder, Brake Line, Caliper And Square Head

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

For tightening torque refer to 34 32 2AZ in34 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:

For tightening torque refer to 34 32 1AZ in34 32 BRAKE LINES .

Detach brake hose from brake caliper (4).

Installation:

For tightening torque refer to 34 32 2AZ in34 32 BRAKE LINES .

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

Courtesy of BMW OF NORTH AMERICA, INC.

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.