Installing belt tensioner of alternator

• Insert and install the alternator (1)  belt tensioner.
• Tighten screws (arrows).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Belt tensioner to alternator/starter motor generator
  M8X30	Tightening torque	28 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Using a standard tool (1)  , increase the preload on the alternator belt tensioner by turning it in the direction of the arrow. 
• Secure the alternator belt tensioner with the special tool 0 496 268 (11 0 390). 

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR .
• Refer to INSTALLING CHARGE AIR LINE .
• Refer to INSTALLING BOTTOM CLEAN AIR PIPE .
• Refer to INSTALLING CLEAN AIR PIPE, TOP .
• Refer to INSTALLING THE INTAKE FILTER HOUSING (TENSION STRUT REMOVED ON SHOCK TOWER) .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING FRONT CROSS CONNECTION (FRONT-END STRUT REMOVED) .
• Refer to INSTALLING BOTH FRONT-END STRUTS .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT CENTER .
• Refer to INSTALLING ACOUSTIC COVER .