34 32 861 Replacing all brake pipes

WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

34 5 100

NOTE: The brake lines are only supplied in the straight version and correct length with connecting nipple. Read and comply with General Information, refer to 34 00 ... GENERAL INFORMATION . After completing work, bleed brake system, refer to 34 00 025 REPLACING FLUID IN ABS/ASC+T BRAKE SYSTEM . Observe safety instructions on raising the vehicle, refer to 00 .. ... LIFTING VEHICLE WITH A LIFTING PLATFORM .

New brake lines are bent into shape with bending tool 34 5 100. Removed brake pipes can be used as templates for bending.

Fig 1: Identifying Special Tool 34 5 100

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT:

Protective coating of brake line must not be damaged during bending.
Do not kink or bend back brake lines.
Watch distances to rigid and movable vehicle parts. Brake lines may not make contact or rub.
Tighten down brake line couplings with torque wrench.

Installation:

Tightening torque, refer to 34 32 1AZ in BRAKES - TIGHTENING TORQUES - 645CI .