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Home >> BMW >> 2009 >> X5 35d >> Repair and Diagnosis >> External Pages >> Different car >> Section 3018 (Brakes - Repair) >> Brake Lines >> 34 32 881 Replacing front left or right brake hose >> Necessary preliminary tasks

Necessary preliminary tasks

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

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: Locating Pedal Support
G08528147Courtesy of BMW OF NORTH AMERICA, INC.

Detach retainer (1) from bracket on spring strut in upward direction.

Installation: 

Retainer (1) must be felt and heard to snap into place.

Ensure correct seating in guide.

Fig 2: Disconnecting Spring Strut Bracket Retainer
G08528148Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Grip brake hose at square head (2) so that connecting piece can not rotate in retaining bracket.

Disconnect brake hose from brake line (1).

Installation: 

Tightening torque 34 32 1AZ .

Fig 3: Identifying Brake Line And Square Head On Brake Hose
G08528149Courtesy of BMW OF NORTH AMERICA, INC.

Detach brake hose from brake caliper (1).

Installation: 

Tightening torque 34 32 2AZ .

Fig 4: Identifying Brake Caliper
G08528150Courtesy 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.