Install exhaust camshaft of the bank 1

Plastic rings (1) are maintenance free and do not need to be replaced.
Check plastic rings for damage, replace if necessary.

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Maneuver and install the exhaust camshaft.
Maneuver the guide bearing shells of the exhaust camshafts (A1) to (A4) and install them.

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NOTE: To provide a better overview: Schematic diagram with partially hidden components.
Ensure that the ground surfaces of camshafts (2) point up.
Make sure that the rounded surfaces (1) point downwards to the cylinder head.

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Check the camshaft positions of bank 1.
The cams (1) must be in the position shown.

Increment wheels (2) must form a straight line to the exhaust camshaft bearing cap and the intake camshaft bearing cap.

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Gradually bring the screws of the guide bearing in position in the sequence (1) to (10) in half turns.

Turn the screws in the order from (1) to (10) to tighten to the snug torque.

TIGHTENING TORQUE SPECIFICATIONS

Intake/exhaust camshaft
M6	Snug torque	10 Nm
M6	Tightening torque	10.5 Nm

Fig 1: Guide Bearing Screws Tightening Sequence

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Tighten the screws in the sequence (1) to (10) with the tightening torque.

TIGHTENING TORQUE SPECIFICATIONS

Intake/exhaust camshaft
M6	Snug torque	10 Nm
M6	Tightening torque	10.5 Nm

Maneuver the roller tappet (1) in the high-pressure pump bracket (2) and install it.

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Follow-up work

Refer to INSTALLING BOTH RIGHT VANOS ADJUSTERS .
Refer to REMOVING THE SPECIAL TOOL TO PRETENSION THE TIMING CHAIN AT CYLINDER BANK 1 .
Refer to INSTALLING THE HYDRAULIC CHAIN TENSIONER OF CYLINDER BANK 1 .
Refer to INSTALLING THE SEALING CAP ON THE CYLINDER HEAD OF CYLINDER BANK 1 .
Refer to INSTALLING THE CYLINDER HEAD COVER ON THE RIGHT .
Refer to INSTALLING VANOS SOLENOID ACTUATOR, EXHAUST OF CYLINDER BANK 1 .
Refer to INSTALLING THE VANOS SOLENOID ACTUATOR INTAKE OF CYLINDER BANK 1 .
Refer to INSTALLING RIGHT HIGH PRESSURE PUMP .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 1 TO 4 .
Refer to INSTALLING THE RIGHT HIGH-PRESSURE RAIL .
Refer to INSTALLING THE IGNITION COILS OF CYLINDERS 1 AND 5 .
Refer to INSTALLING IGNITION COILS OF CYLINDER BANK 1 .
Refer to INSTALLING THE GUIDE TUBE FOR THE OIL DIPSTICK .
Refer to INSTALLING THE EXHAUST TURBOCHARGER FOR THE CYLINDERS 1 TO 4 .
Refer to INSTALLING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
Refer to INSTALLING CLEAN AIR PIPE OF CYLINDER BANK 1 .
Refer to INSTALLING BOTH CHARGE AIR COOLERS .
Refer to CONNECTING THE LEFT CHARGE AIR LINE TO THE EXHAUST TURBOCHARGER .
Refer to CONNECTING THE RIGHT CHARGE AIR LINE TO THE EXHAUST TURBOCHARGER .
Refer to CLOSING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT (CHARGE AIR COOLER) .
Refer to SEALING OFF COOLANT FOR LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE BOTTOM FRONT RIGHT SIDE COVER .
Refer to INSTALLING BOTTOM FRONT COVER FROM THE SIDE .
Refer to INSTALLING THE VIBRATION DAMPER .
Refer to INSTALLING DRIVE BELT .
Refer to INSTALLING FAN COWL .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING UPPER CROSS CONNECTION .
Refer to INSTALLING BOTH FRONT-END STRUTS .
Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE CATALYTIC CONVERTER FOR CYLINDERS 1 TO 4 .
Refer to RELEASING THE HEAT SHIELD .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
Refer to ATTACHING WINDSHIELD PANEL COVER .
Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING RIGHT HEAT SHIELD .
Refer to INSTALLING LEFT HEAT SHIELD .
Refer to INSTALLING HEAT SHIELD, TOP .
Refer to INSTALLING THE RIGHT OXYGEN SENSOR MONITOR .
Refer to INSTALLING THE LEFT OXYGEN SENSOR MONITOR .
Refer to PARTIALLY INSTALLING THE RIGHT LAMBDA OXYGEN SENSOR .
Refer to PARTIALLY INSTALLING THE LEFT LAMBDA OXYGEN SENSOR .
Refer to INSTALLING THE RETAINING BRIDGE IN VEHICLES WITH A GASOLINE PARTICULATE FILTER .
Refer to INSTALLING THE RETAINING BRIDGE .
Refer to INSTALLING EXHAUST SYSTEM .
Refer to INSTALLING CENTER STIFFENING PLATE .
Refer to INSTALLING TANK COVER ON LEFT AND RIGHT .
Refer to INSTALLING REAR BUMPER PANEL .
Refer to INSTALLING THE CONTROL UNIT BRACKET FOR CYLINDERS 5 TO 8 .
Refer to INSTALLING THE COVER OF THE LEFT DME CONTROL UNIT .
Refer to INSTALLING CONTROL UNIT HOLDER FOR CYLINDERS 1 TO 4 .
Refer to INSTALLING THE COVER OF THE RIGHT DME CONTROL UNIT .
Refer to CONNECTING ALL BATTERY GROUND LEADS .
Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING BOTH EXHAUST COVERS .
Refer to INSTALLING THE REAR BUMPER TRIM .
Refer to INSTALLING THE REAR DIFFUSER .
Refer to INSTALLING THE TAIL LIGHT ON THE LEFT AND RIGHT SIDE PANELS .
Refer to INSTALLING COVER FOR WATER CHANNEL ON LEFT AND RIGHT .
Refer to INSTALLING THE LUGGAGE COMPARTMENT WHEEL ARCH TRIM PANEL ON THE LEFT AND RIGHT (PARTIALLY REMOVED) .
Refer to INSTALLING LOADING EDGE TRIM .
Refer to INSTALLING LUGGAGE COMPARTMENT FLOOR COVERING .