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Home >> BMW >> 2017 >> 430i 2D Convertible >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Repair (F32, F33 & F36) >> 34 21 Rear Brakes >> Removing and installing/replacing left or right rear brake caliper (4' Series Coupe/Convertible, 4' Series Gran Coupe Sedan)

Removing and installing/replacing left or right rear brake caliper (4' Series Coupe/Convertible, 4' Series Gran Coupe Sedan)

Necessary preliminary tasks: 

After completing repair work: BLEED  brake system.

Press brake 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.
G04754178Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Grip brake hose at square head (2) so that connecting piece cannot rotate in retaining bracket.

Disconnect brake hose from brake line (1).

Installation note: 

Tightening torque 34 32 1AZ .

Detach brake hose from brake caliper (3).

G10095863Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Tightening torque 34 32 3AZ .

IMPORTANT: Never twist brake hose when installing it and avoid all contact with parts attached rigidly to the body.
NOTE: First tighten brake hose on brake caliper.
Insert brake hose in bracket and screw onto brake pipe.