Tightening the VANOS central valve

• Have the special tool 2 469 138  ready.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Have all the special tools and commercially available tools ready.

  Number	Description
  1	Standard torque wrench
  2	Wrench socket set 2 450 487
  3	Reversible ratchet 0 496 855
  4	Commercially available reduction
  5	adapted 469 138

  Courtesy of BMW OF NORTH AMERICA, INC.

• Assemble all the special tools and commercially available tools as shown.

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• Use the reversible ratchet (2) from the special tool 0 496 855  with the special tool 2 450 487  to tighten the VANOS central valve (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Use special tool 0 496 855  to tighten the VANOS central valve (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten the VANOS central valve of the intake adjuster (1) with special tool 0 496 855  or 2 450 487. 
  TIGHTENING TORQUES SPECIFICATION
  
  

  VANOS central valve to camshaft
  M12x1	1. Joining torque	30 Nm
  	2. Joining torque	50 Nm
  	3. Angle of rotation	65°
  M21 VANOS central valve on the thread and on the contact surface must be coated with engine oil.	1. Joining torque	50 Nm
  	2. tightening torque	140 Nm
  M22 VANOS central valve on the thread and on the contact surface must be coated with engine oil.	1. Joining torque	50 Nm
  	2. tightening torque	140 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten VANOS central valve of the exhaust camshaft adjuster (1) with the special tool 0 496 855. 

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to DISASSEMBLING ALL SPECIAL TOOLS .
• Refer to CHECKING CAMSHAFT TIMING .
• Refer to INSTALLING THE THERMOSTAT ON THE TRANSMISSION OIL LINES .
• Refer to SECURING THE OIL SUMP ACOUSTIC COVER .
• Refer to INSTALLING CYLINDER HEAD COVER .
• Refer to INSTALLING BOTH ACTUATORS .
• Refer to PREPARING THE INJECTORS FOR INSTALLATION .
• Refer to INSTALLING INJECTORS .
• Refer to INSTALLING HIGH PRESSURE PUMP .
• Refer to INSTALLING FUEL DELIVERY LINE .
• Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
• Refer to INSTALLING ALL SPARK PLUGS .
• Refer to INSTALLING THE IGNITION COILS .
• Refer to INSTALLING THE CYLINDER HEAD COVER ACOUSTIC COVER .
• Refer to INSTALLING FRONT ENGINE ENCAPSULATION .
• Refer to INSTALLING AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
• Refer to CONNECTING THE COOLANT LINE OF HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING CHARGE AIR LINE .
• Refer to INSTALLING CLEAN AIR PIPE .
• Refer to INSTALLING RESONATOR .
• Refer to INSTALLING INTAKE SILENCER HOUSING .
• Refer to INSTALLING CENTER BULKHEAD LOWER PART .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to LOOSENING HIGH-VOLTAGE CABLES ON THE ELECTRICAL MACHINE ELECTRONICS .
• Refer to INSTALLING RIGHT SEALING FRAME .
• Refer to INSTALLING LEFT SEALING FRAME .
• Refer to INSTALLING THE CENTER COWL UPPER PART .
• Refer to INSTALLING BOTH TENSION STRUTS FROM SHOCK TOWER .
• Refer to INSTALLING WINDSHIELD PANEL COVER .
• Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
• Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
• Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to CONNECTING THE DIAGNOSTIC SYSTEM FOR POSSIBLE INTEGRATION LEVEL ENCODING AND PROGRAMMING .
• Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
• Refer to CHECKING/TOPPING UP THE OIL LEVEL IN THE AUTOMATIC TRANSMISSION .
• Refer to CHECKING ENGINE OIL LEVEL .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE REAR THRUST FIELD .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .