Releasing the VANOS central valve of the intake adjuster

WARNING: High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!

All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
For additional information see: SAFETY INSTRUCTIONS ON HANDLING HYBRID CARS .
For additional information see: NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

WARNING: Working on fuel system.
Risk of fire! Danger of explosion!

When working on the fuel system, make sure the workstation has sufficient ventilation, e.g., by means of extraction.
Tightly seal off open lines and connections; collect any leakage fuel directly at the point of exit.
No fire, sparks, open flames or smoking.

Preliminary work

Remove right flap in luggage compartment TRIM PANEL
De-energize the HIGH-VOLTAGE SYSTEM
CHECK that no voltage is applied
Disconnect the system battery negative BATTERY CABLE
Remove trunk battery COVER
Disconnect the (starter unit battery) negative BATTERY CABLE
Bring front compartment lid in the SERVICE POSITION
Remove the ACOUSTIC COVER
Remove the rear left engine compartment COVER
Remove the rear right engine compartment COVER .
Remove the hood rear SEAL .
Remove left and right WIPER ARM .
Remove the cowl COVER .
Remove the left and right shock tower TENSION STRUT .
Remove the upper part FIREWALL .
Release the EME HIGH-VOLTAGE CABLES .
Remove the bottom second FIREWALL .
Remove rear ACOUSTIC COVER .
Remove RESONATOR .
Remove the engine front ACOUSTIC COVER .
Remove the cylinder head cover ACOUSTIC COVER .
Remove the IGNITION COIL .
Remove all SPARK PLUGS .
Remove the HIGH PRESSURE LINE between the high pressure pump and the rail.
Remove the RAIL with injectors.
Remove FUEL DELIVERY LINE .
Remove HIGH PRESSURE PUMP .
Remove the positive battery cable HOLDER .
Remove the cylinder head HEAT SHIELD .
Remove both ACTUATORS .
Remove the cylinder head COVER .
Remove the front UNDERBODY PROTECTION .
Remove the center UNDERBODY PROTECTION .
Remove rear UNDERBODY PROTECTION .
Release the electromechanical steering gear EPS WIRING HARNESS .
Remove the transmission oil lines THERMOSTAT .
Remove the transmission oil line thermostat HOLDER .
Block ENGINE in TDC firing position.
Remove chain TENSIONER .

CAUTION: On releasing high pressure line, fuel may emerge at high speed.
Injury hazard!

Wear suitable personal protective equipment.
Before performing any installation work, allow cooling system to cool down to less than 40°C.
Note warnings on cylinder head cover.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

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	Adapter 2 469 138

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.

NOTE: The figure shows the rear of the engine.
Release the VANOS central valve (1) of the intake adjuster.

Courtesy of BMW OF NORTH AMERICA, INC.