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Home >> BMW >> 2017 >> 440i 2D Convertible >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Repair (F32, F33 & F36) >> 34 33 Brake Booster >> Replacing vacuum hose for brake booster (4' Series Coupe/Convertible, 4' Series Gran Coupe Sedan)

Replacing vacuum hose for brake booster (4' Series Coupe/Convertible, 4' Series Gran Coupe Sedan)

Necessary preliminary work: 

Attention! 

Before beginning work, fully press the brake pedal several times to reduce the vacuum pressure in the brake servo. This makes it easier to pull off the vacuum hose.

Unlock quick-release fastener (1) and pull out vacuum line (2).

G04726667Courtesy of BMW OF NORTH AMERICA, INC.

Unlock quick-release coupling (1) and detach vacuum line.

Disconnect vacuum hose (2) from vacuum line.

Release vacuum hose at clamp (3) and remove.

G10095896Courtesy of BMW OF NORTH AMERICA, INC.