Install brake booster

• Guide the brake booster (1) into the firewall.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Install the nuts (1) and tighten.
• Replace nuts.

  Parts:  Nuts

  TIGHTENING TORQUES SPECIFICATIONS
  
  

  Brake booster to pedal assembly console
  Replace nuts.
  M8 Retighten 1x on brake booster after 10 min.	tightening torque	22 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Lock brake pedal (1) in place in the arrow direction with the brake booster.

  Ensure that the brake pedal is completely locked with the brake booster! 

  Courtesy of BMW OF NORTH AMERICA, INC.

• Install the check valve (1) in the brake booster in the arrow direction.
• Hook the vacuum line into the holder (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Hook the brake lines (3) into the guides.
• Install the cover (2).
• Insert screws (1) and tighten.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Install air duct (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE TRIM PANEL FOR THE PEDAL ASSEMBLY .
• Refer to PREPARING FOR THE INSTALLATION OF THE TANDEM BRAKE MASTER CYLINDER .
• Refer to INSTALLING THE TANDEM BRAKE MASTER CYLINDER .
• Refer to INSTALLING THE EXPANSION TANK .
• Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
• Refer to INSTALLING WINDSHIELD PANEL COVER .
• Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
• Refer to CONNECTING THE BLEEDER UNIT FOR THE BRAKE FLUID .
• Refer to FLUSH AND VENTING THE REAR AXLE BRAKE CIRCUIT .
• Refer to FLUSH AND BLEEDING THE FRONT AXLE BRAKE CIRCUIT .
• Refer to DISCONNECTING THE BLEEDER UNIT FOR THE BRAKE FLUID .
• Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .