Remove brake booster

Preliminary work 

• Refer to REMOVING REAR HOOD SEAL .
• Refer to REMOVING FRONT WINDSHIELD PANEL COVER .
• Refer to DISCONNECTING CABLE FROM BATTERY EARTH LEAD .
• Refer to REMOVING SUSPENSION CROSS-BRACE .
• Refer to REMOVING THE INTAKE MANIFOLD FOR INTAKE SILENCER HOUSING .
• Refer to REMOVING INTAKE SILENCER HOUSING .
• Refer to REMOVING THE SYSTEM BATTERY .
• Refer to REMOVING THE EXPANSION TANK (VEHICLE WITH AUTOMATIC TRANSMISSION) .
• Refer to REMOVING THE TANDEM BRAKE MASTER CYLINDER .
• Refer to REMOVING LEFT AND RIGHT WIPER ARM .
• Refer to REMOVING THE GUTTER STRIP ON THE WINDSCREEN ON THE LEFT AND RIGHT .
• Refer to REMOVING THE REAR COWL PANEL .
• Refer to REMOVING THE CONSOLE FOR THE WINDSHIELD WIPER SYSTEM COMPLETE WITH ENGINE .

• Remove air duct (1)  .

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• Pull the retaining clip (1)  off the brake pedal, detach and pull out retaining bolts (2)  .

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• Loosen nuts (1)  .

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• Remove check valve (1)  from brake booster in the arrow direction.

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• Unscrew the brake booster (1)  from the firewall.

Courtesy of BMW OF NORTH AMERICA, INC.