Installing the vibration damper

Install the radial shaft seal in the timing case cover on the bottom

• Replace radial shaft seal.

  Parts:  Radial shaft seal

• Always store the radial shaft seal (1  ) with the support bushing (2  ).

  If the radial shaft seal (1  ) is stored for more than six months without the support bushing (2  ), there is no functional safety any longer.

• Make sure that the sealing lip of the radial shaft seal (1  ) is not kinked.
• Remove the support bushing (2  ) from the radial shaft seal (1  ).
• Attach the radial shaft seal (1  ) to the bottom timing case cover.

  Courtesy of BMW OF NORTH AMERICA, INC.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Screw in the radial shaft seal with the special tool 0 493 924 (11 9 420)  and the central bolt (3  ) flush in the lower timing case cover.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Position vibration damper.
• Replace central bolt.

  Parts:  Central bolt

• Grease the facing on the screw head of the central bolt (3  ).

  Consumable
  Lubricating grease SYNTHESO GLEP 1	100 g, Tube	83239407778

  Courtesy of BMW OF NORTH AMERICA, INC.

• Screw in the central bolt (3  ) by a few turns.
• Secure the special tool 0 496 365 (11 8 090) with the screws (1  ) of the belt pulley on the vibration damper.
  NOTE: RISK OF DAMAGE 
  Damage to the engine. 
  If the engine is manually rotated in the wrong direction of rotation, the engine can be damaged. 

  • Only rotate the engine manually in the correct direction of rotation: a) clockwise when looking at the damper, or b) counterclockwise when looking at the chain drive, b) applies only if the timing chain is installed in the rear.
• Turn the engine at the central bolt (3  ) until the screw (2  ) of the belt tensioner can be screwed into the hole of the belt tensioner.
• Tighten down screws (1  ).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Special tool to vibration damper
  M10x17	Tightening torque	40 Nm

• Tighten down screw (2  ).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Special tool to crankcase
  M10x95	Tightening torque	40 Nm

• Tighten the central bolt with the special tools 0 495 605 (00 9 140)  , 0 494 230 (11 9 454) and 0 496 365 (11 8 090)  .
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Vibration damper (hub) to crankshaft
  M18x1.5x122 Grease the facing of the screw head. Replace screw.	1. Joining torque	100 Nm
  	2. Angle of rotation	60°
  	3. Angle of rotation	60°
  	4. Angle of rotation	60°

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE BELT PULLEY .
• Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR .
• Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR 2 AND THE AIR CONDITIONING COMPRESSOR .
• Refer to CHECKING THE DRIVE BELT FOR ALTERNATOR 2 .
• Refer to REMOVING THE PROTECTIVE PLATE AT THE RADIATOR .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING LEFT INTAKE PORT .
• Refer to INSTALLING RIGHT AIR DUCT .
• Refer to INSTALLING THE LEFT-HAND AIR DUCT .
• Refer to INSTALLING LEFT INTAKE SILENCER HOUSING .
• Refer to INSTALLING RIGHT INTAKE SILENCER HOUSING .
• Refer to INSTALLING FANFARE HORN, RIGHT .
• Refer to INSTALLING THE FANFARE ON THE LEFT SIDE .
• Refer to INSTALLING BOTH HEADLIGHTS .
• Refer to INSTALLING BUMPER COVER, FRONT .
• Refer to INSTALLING FRONT SECTION OF THE FRONT WHEEL ARCH COVER (PARTIALLY REMOVED) .
• Refer to INSTALLING FRONT ORNAMENTAL GRILLE .
• Refer to INSTALLING THE CENTER TOP CROSS CONNECTION .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT CENTER .
• Refer to ADJUSTING HEADLIGHTS .
• Refer to INSTALLING ACOUSTIC COVER .