34 32 980 Replacing rear left or right brake hoses

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.

NOTE: Read and comply with General Information, refer to 34 00 ... GENERAL INFORMATION . Observe safety instructions on raising the vehicle, refer to 00 .. ... LIFTING VEHICLE WITH A LIFTING PLATFORM . After completing tasks, bleed brake system, refer to 34 00 025 REPLACING FLUID IN ABS/ASC+T BRAKE SYSTEM .

Apply pedal prop and depress brake pedal slightly. This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Depressing Brake Pedal (Rear Left Or Right Brake Hoses)

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect brake hose from brake line (1).

Installation:

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

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

Detach brake hose from brake caliper (3).

Fig 2: Disconnecting Brake Hose From Brake Line

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Tightening torque, refer to 34 32 5AZ in BRAKES - TIGHTENING TORQUES - 645CI .