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Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 992 (Brakes - Repair) >> Brake Lines >> 34 32 881 Replacing front left or right brake hose

34 32 881 Replacing front left or right brake hose

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

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: Pressing Clutch Pedal Down To Floor
G04726335Courtesy of BMW OF NORTH AMERICA, INC.

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: 

Tightening torque, see 34 32 BRAKE LINES . .

Detach brake hose from brake caliper (4).

Fig 2: Detaching Brake Hose From Brake Line
G04726660Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Tightening torque, see 34 32 BRAKE LINES . .

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.