Fasten central bolt with the special tool

Preliminary work 

• Refer to REMOVING FAN COWL .
• Refer to BLOCKING THE BELT TENSIONER WITH THE SPECIAL TOOL .
• Refer to REMOVING DRIVE BELT .
• Refer to REMOVING THE BELT PULLEY .

• Fasten central bolt with the special tool 0 495 605 (00 9 140) 
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Hub to crankshaft
  M18x1.5 Replace screws grease screw head see Consumables 4.8	1. Angle of rotation	60°
  	2. Angle of rotation	60°
  	3. Angle of rotation	60°

  Courtesy of BMW OF NORTH AMERICA, INC.

• Remove all special tools.