Loosening both central bolts of VANOS gear
Preliminary work
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE COVER FOR THE CENTER ENGINE COMPARTMENT .
- Refer to REMOVING FRONT ORNAMENTAL GRILLE .
- Refer to PARTIALLY REMOVING THE FRONT SECTION OF THE FRONT WHEEL ARCH COVER .
- Refer to REMOVING FRONT BUMPER COVER .
- Refer to REMOVING BOTH HEADLIGHTS .
- Refer to REMOVING THE CENTER TOP CROSS CONNECTION .
- Refer to REMOVING THE FANFARE HORN ON THE LEFT .
- Refer to REMOVING THE FANFARE HORN TOWARDS THE RIGHT .
- Refer to REMOVING LEFT AND RIGHT WIPER ARM .
- 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 THE SEAL FOR THE HOOD REAR .
- Refer to REMOVING THE COWL COVER .
- Refer to REMOVING THE COWL UPPER PART IN THE CENTER .
- Refer to REMOVING TRAILING LINK AT SPRING BOLT .
- Refer to REMOVING LEFT INTAKE SILENCER HOUSING .
- Refer to REMOVING THE LEFT-HAND AIR DUCT .
- Refer to REMOVING LEFT INTAKE PORT .
- Refer to PARTIALLY LOOSENING THE LEFT-HAND CHARGE AIR COOLER .
- Refer to REMOVING LEFT THROTTLE VALVE ASSEMBLY .
- Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
- Refer to REMOVING RIGHT AIR DUCT .
- Refer to REMOVING THE RIGHT THROTTLE BODY .
- Refer to PARTIALLY LOOSENING THE RIGHT-HAND CHARGE AIR COOLER .
- Refer to REMOVING THE REAR TOP CROSS CONNECTION .
- Refer to REMOVING FAN COWL .
- Refer to REMOVING THE ENGINE VENTILATION LINE FROM THE INTAKE SYSTEM .
- Refer to REMOVING THE TANK VENT LINE .
- Refer to REMOVING THE INTAKE PLENUM .
- Refer to REMOVING THE LEFT-HAND VENTILATION LINE .
- Refer to REMOVING IGNITION COILS .
- Refer to REMOVING COVER FOR THE DME CONTROL UNIT ON LEFT .
- Refer to DISCONNECTING ALL CONNECTORS FROM THE DME CONTROL UNIT FOR CYLINDERS 7 TO 12 .
- Refer to PARTIALLY RELEASING THE WIRING HARNESS FROM THE CYLINDER HEAD COVER ON THE LEFT .
- Refer to REMOVING TOP CLEAN AIR PIPE AT LEFT .
- Refer to REMOVING CHARGE AIR PIPE ON LEFT .
- Refer to REMOVING LEFT HIGH PRESSURE LINE BETWEEN HIGH PRESSURE PUMP AND RAIL .
- Refer to REMOVING FUEL DELIVERY LINE .
- Refer to REMOVING ALL HIGH PRESSURE LINES BETWEEN RAIL AND INJECTORS .
- Refer to REMOVING THE HIGH-PRESSURE RAIL ON THE LEFT .
- Refer to REMOVING LEFT HIGH PRESSURE PUMP .
- Refer to REMOVING INJECTORS .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
- Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
- Refer to REMOVING THE STIFFENING PLATE .
- Refer to REMOVING FRONT RIGHT WHEEL .
- Refer to LOOSENING THE ANTI-ROLL BAR LINK ON THE LEFT AND RIGHT FROM THE ANTI-ROLL BAR .
- Refer to REMOVING THE COVER FOR THE STEERING ASSEMBLY ON THE RIGHT .
- Refer to REMOVING THE ACTIVE STABILIZER IN FRONT .
- Refer to DRAINING COOLANT .
- Refer to RELEASING THE COOLANT LINE FOR THE EXHAUST TURBOCHARGER ON THE LEFT .
- Refer to REMOVING LEFT CYLINDER HEAD COVER .
- Refer to INSTALLING THE PROTECTIVE SHIELD ON THE RADIATOR .
- Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR 2 AND THE AIR CONDITIONING COMPRESSOR .
- Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR .
- Refer to REMOVING THE BELT PULLEY .
- Refer to PARTIALLY DETACHING THE AIR CONDITIONING COMPRESSOR .
- Refer to REMOVING THE COOLANT HOSE ON THE LEFT FROM THE RADIATOR .
- Refer to REMOVING THE HEATER RETURNING HOSE FROM THE COOLANT PUMP .
- Refer to REMOVING ALTERNATOR 2 .
- Refer to REMOVING BOTH SOLENOID VALVES ON LEFT SIDE .
- Refer to REMOVING THE TOP TIMING CASE COVER OF CYLINDERS 7 TO 12 .
- Refer to PLACE THE 1ST AND 7TH CYLINDER INTO THE TDC SETTING .
- Refer to REMOVING THE SPECIAL TOOLS TO DISCONNECTING THE CRANKSHAFT .
- Refer to RELEASING THE CHAIN TENSIONER .
- Refer to REMOVING THE HYDRAULIC CHAIN TENSIONER .
- Refer to INSTALLING SPECIAL TOOL TO PRE-TENSIONING TIMING CHAIN .
- Refer to CHECKING TIMING .
- Refer to INSTALLING SPECIAL TOOL FOR FASTENING CAMSHAFTS .
- Refer to SCREW IN SPECIAL TOOLS 11 9 895 1 TO 6 AND 7 TO 12 .
- Refer to FASTENING THE CAMSHAFTS WITH THE SPECIAL TOOL .
- Refer to REMOVING THE UPPER SLIDE RAIL .
- Unscrew the central bolts (1) of the exhaust and intake adjuster.
If the camshafts cannot be fastened with the special tool 0 496 381 (11 9 893) , the respective camshaft must be counter supported on the hexagon head with a open-end spanner.