Releasing the VANOS central valve of the intake adjuster

Preliminary work 

• Refer to DEACTIVATING VEHICLE-SPECIFIC HIGH-VOLTAGE OR LOW-VOLTAGE VEHICLE ELECTRICAL SYSTEM .
• Refer to MOVING THE HOOD TO THE SERVICE POSITION .
• Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
• Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
• Refer to REMOVING MOUNT OF HOOD SEAL ON THE LEFT AND RIGHT .
• Refer to REMOVING SUSPENSION STRUT BRACE .
• Refer to REMOVING INTAKE SILENCER HOUSING .
• Refer to REMOVING LEFT AND RIGHT WIPER ARM .
• Refer to REMOVING THE SEAL FOR THE HOOD REAR .
• Refer to REMOVING THE COWL COVER .
• Refer to REMOVING TRAILING LINK AT SPRING BOLT .
• Refer to REMOVING THE FIREWALL UPPER PART .
• Refer to REMOVING THE SECOND FIREWALL AT THE BOTTOM .
• Refer to REMOVING THE TOP RIGHT AND LEFT COVER IN THE ENGINE COMPARTMENT .
• Refer to REMOVING THE RIGHT AIR DUCT .
• Refer to REMOVING THE LEFT AND RIGHT FRONT-END STRUT .
• Refer to REMOVING FRONT CROSS CONNECTION .
• Refer to REMOVING THE REAR TOP CROSS CONNECTION .
• Refer to REMOVING ALL IGNITION COILS .
• Refer to REMOVING ALL SPARK PLUGS .
• Refer to REMOVING FUEL DELIVERY LINE .
• Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL FOR CYLINDERS 1 TO 3 .
• Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND RAIL FOR CYLINDERS 4 TO 6 .
• Refer to REMOVING THE HIGH-PRESSURE RAIL WITH THE INJECTORS OF CYLINDERS 1 TO 3 .
• Refer to REMOVING THE RAIL WITH INJECTORS OF CYLINDERS 4 TO 6 .
• Refer to REMOVING THE HIGH PRESSURE PUMP OF CYLINDERS 1 TO 3 .
• Refer to REMOVING THE HIGH PRESSURE PUMP FOR CYLINDERS 4 TO 6 .
• Refer to REMOVING BOTH ACTUATORS .
• Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 4 TO 6 .
• Refer to PARTIALLY REMOVING THE FRONT WHEEL ARCH TRIM .
• Refer to REMOVING THE FRONT LEFT WHEEL .
• Refer to REMOVING THE COVER OF THE STEERING ASSEMBLY .
• Refer to REMOVING THE FRONT SECTION OF THE FRONT WHEEL ARCH COVER .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
• Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
• Refer to REMOVING REAR UNDERBODY PROTECTION .
• Refer to REMOVING THE WHEEL ARCH COVER ON THE FRONT LEFT AND BOTTOM RIGHT .
• Refer to REMOVING THE FAN COWL .
• Refer to DRAINING THE COOLANT FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to CONNECTING THE COOLANT LINE TO THE RADIATOR .
• Refer to REMOVING THE COOLANT FEED LINE PART 2 BETWEEN THE AUXILIARY COOLANT PUMP AND EXHAUST TURBOCHARGER .
• Refer to PARTIALLY RELEASING THE AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
• Refer to REMOVING THE COOLANT RETURNING LINE BETWEEN THE EXHAUST TURBOCHARGER AND THE THERMOSTAT .
• Refer to RELEASING THE CHARGE AIR CROSSING PARTIALLY .
• Refer to REMOVING THE CYLINDER HEAD COVER .
• Refer to BLOCKING THE ENGINE IN THE TDC FIRING POSITION .
• Refer to REMOVING CHAIN TENSIONER .

• Have the special tool 0 496 855  ready.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Have the special tool 2 450 487 ready.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Have the special tool 2 469 138 ready.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Keep the following special tools and standard 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	adapter2 469 138

  Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.

• Release the VANOS central valve (1)  of the intake adjuster.

Courtesy of BMW OF NORTH AMERICA, INC.