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Home >> BMW >> 2009 >> M3 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 67 (Brakes - Repair - E90) >> Brake Lines >> 34 32 980 Replacing rear left or right brake hose (between brake caliper and pipe)

34 32 980 Replacing rear left or right brake hose (between brake caliper and pipe)

WARNING: This page is about a different variant/trim than selected.
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: Identifying Brake Tensioner
G04754178Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Grip brake hose at square head (2) so that connecting piece can not rotate in retaining bracket.

Never twist brake hose when installing it and avoid all contact with parts attached rigidly to the body.

Disconnect brake hose from brake line (1).

Installation: 

Tightening torque 34 32 1AZ .

Fig 2: Identifying Brake Caliper, Brake Lines And Brake Hose Square Head
G04726637Courtesy of BMW OF NORTH AMERICA, INC.

Detach brake hose from brake caliper (3).

Installation: 

Tightening torque 34 32 3AZ .

Installation: 

First tighten brake hose on brake caliper.

Insert brake hose in bracket and screw onto brake pipe.