3432881 Replacing front left or right brake hose

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: Securing Clutch Pedal Down To Floor With Pedal Support

Courtesy of BMW OF NORTH AMERICA, INC.

Vehicles 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 .

Detach brake hose from brake caliper (4).

Installation:

Tightening torque 34 32 2AZ .

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

Courtesy of BMW OF NORTH AMERICA, INC.

Vehicles as of 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 can not rotate in retaining bracket.

Detach brake hose from brake line (3).

Installation:

Tightening torque 34 32 1AZ .

Detach brake hose from brake caliper (4).

Installation:

Tightening torque 34 32 2AZ .

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

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.