Remove drive belt

Preliminary work 

• Refer to REMOVING THE COVER FOR THE CENTER ENGINE COMPARTMENT .
• Refer to REMOVING BOTH FRONT-END STRUTS .
• Refer to REMOVING FRONT CROSS CONNECTION (FRONT-END STRUT REMOVED) .
• Refer to REMOVING THE REAR TOP CROSS CONNECTION .
• Refer to REMOVING FAN COWL .
• Refer to PARTIALLY RELEASING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .

• Release the belt tensioner (2)  clockwise with a suitable socket wrench (1)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Maintain the preload of the belt tensioner (1)  using a suitable socket wrench (3)  .
• Secure the belt tensioner (1)  against turning with the special tool 0 496 268 (11 0 390) (2)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Remove belt (1)  .

  Courtesy of BMW OF NORTH AMERICA, INC.