Install intake camshaft

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Clean all bearing positions and coat with motor oil.

Courtesy of BMW OF NORTH AMERICA, INC.
Clean all bearing positions of intake camshaft bearing caps (E1) (E2) (E3) , (E4) (E5) (E6) and (E) coat with motor oil.

Courtesy of BMW OF NORTH AMERICA, INC.
Clean all bearing positions of the intake camshaft and coat with motor oil.

Courtesy of BMW OF NORTH AMERICA, INC.
Check all the roller cam followers (1) of the intake side for correct fit.

Courtesy of BMW OF NORTH AMERICA, INC.
Insert intake camshaft (2) in the bearing brackets in such a way that the mark (1) points towards the top.

Courtesy of BMW OF NORTH AMERICA, INC.
Check fitting sleeves (1) of the thrust bearing for damage, replace if necessary.

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: RISK OF DAMAGE
Engine damage caused by incorrectly installed bearing shells and bearing brackets .
If the bearing shells and bearing brackets are installed incorrectly, then engine damage can occur .

Always install all bearing shells and bearing brackets in the same position from which they were removed.

Courtesy of BMW OF NORTH AMERICA, INC.

Coat all the intake camshaft bearing caps (E1) till (E6) and lay the bearing caps for the thrust bearing (E) with motor oil.
Check the tensile strength of the screws for the bearing cap.
The illustration shows the screw with a tensile strength of 8.8 .

Courtesy of BMW OF NORTH AMERICA, INC.
Check the tensile strength of the screws for the bearing cap.
The illustration shows the screw with a tensile strength of 10.9 .

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: TECHNICAL INFORMATION
The camshaft is under tension due to the valve springs. Tighten or loosen each screw on the camshaft bearing caps in the prescribed sequence only by half a turn. Repeat procedure.

Press down the intake camshaft bearing cap and stepwise apply the screws in the order of (1) to (14) until hand-tight.

Fig 1: Intake Camshaft Bearing Cap Screws Tightening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.
Join all bolts in sequence (1) to (14) in half turns .
Observe the joining torque .
Tighten all screws in a sequence from (1) to (14) .

TIGHTENING TORQUES SPECIFICATION

Intake camshaft to cylinder head
M6	Tensile strength of screw 8.8 Joining torque	9.6 Nm
	tightening torque	9.6 Nm
M6	Tensile strength of screw 10.9 Joining torque	11.8 Nm
	tightening torque	11.8 Nm

Follow-up work

Refer to CHECKING INSTALLATION POSITION OF ROLLER CAM FOLLOWERS .
Refer to ADJUSTING THE CAMSHAFTS WITH THE SPECIAL TOOL .
Refer to INSTALLING THE INTAKE ADJUSTER .
Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
Refer to RELEASING VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to PRE-TENSIONING THE TIMING CHAIN WITH THE SPECIAL TOOL .
Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
Refer to DISASSEMBLING ALL SPECIAL TOOLS .
Refer to INSTALLING CHAIN TENSIONER .
Refer to CHECKING THE TIMINGS OF THE CAMSHAFT .
Refer to CHECKING THE INTERMEDIATE LEVER CLASSIFICATION .
Refer to INSTALLING ALL INTERMEDIATE LEVERS .
Refer to INSTALLING ALL GATES .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT AT CYLINDER 3 AND 4 .
Refer to INSTALLING TORSION SPRINGS .
Refer to INSTALLING THE INTAKE PLENUM .
Refer to INSTALLING THE TANK VENT VALVE .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING BOTH ACTUATORS .
Refer to PREPARING THE INJECTORS FOR INSTALLATION .
Refer to INSTALLING THE HIGH-PRESSURE RAIL WITH INJECTORS OF THE CYLINDERS 4 TO 6 .
Refer to INSTALLING THE HIGH-PRESSURE RAIL WITH INJECTORS OF THE CYLINDERS 1 TO 3 .
Refer to INSTALLING HIGH PRESSURE PUMP .
Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to INSTALLING ALL SPARK PLUGS .
Refer to INSTALLING ALL IGNITION COILS .
Refer to INSTALLING THE LOW-TEMPERATURE COOLANT EXPANSION TANK .
Refer to INSTALLING THE HOLDER OF THE POSITIVE BATTERY CABLE .
Refer to INSTALLING THE CENTER STRUT BRACE MOUNT .
Refer to INSTALLING THE LOWER SECTION OF THE FRONT WALL .
Refer to INSTALLING ACOUSTIC COVER AT REAR .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING THE RIGHT COWL UPPER PART .
Refer to INSTALLING WINDSHIELD PANEL COVER .
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 LEFT AND RIGHT WIPER ARM .
Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
Refer to INSTALLING THE STRUT BRACE ON THE LEFT AND RIGHT .
Refer to INSTALLING THE CLEAN AIR PIPE AND THE RESONATOR .
Refer to INSTALLING THE INTAKE FILTER HOUSING (TENSION STRUT REMOVED ON SHOCK TOWER) .
Refer to INSTALLING THE TENSION STRUT ON THE RIGHT SHOCK TOWER .
Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to CHECKING LOW-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .

Clean all bearing positions and coat with motor oil.

Courtesy of BMW OF NORTH AMERICA, INC.
Clean all bearing positions of intake camshaft bearing caps (E1) (E2) (E3) , (E4) (E5) (E6) and (E) coat with motor oil.

Courtesy of BMW OF NORTH AMERICA, INC.
Clean all bearing positions of the intake camshaft and coat with motor oil.

Courtesy of BMW OF NORTH AMERICA, INC.
Check all the roller cam followers (1) of the intake side for correct fit.

Courtesy of BMW OF NORTH AMERICA, INC.
Insert intake camshaft (2) in the bearing brackets in such a way that the mark (1) points towards the top.

Courtesy of BMW OF NORTH AMERICA, INC.
Check fitting sleeves (1) of the thrust bearing for damage, replace if necessary.

Courtesy of BMW OF NORTH AMERICA, INC.

Always install all bearing shells and bearing brackets in the same position from which they were removed.

Courtesy of BMW OF NORTH AMERICA, INC.

Coat all the intake camshaft bearing caps (E1) till (E6) and lay the bearing caps for the thrust bearing (E) with motor oil.
Check the tensile strength of the screws for the bearing cap.
The illustration shows the screw with a tensile strength of 8.8 .

Courtesy of BMW OF NORTH AMERICA, INC.
Check the tensile strength of the screws for the bearing cap.
The illustration shows the screw with a tensile strength of 10.9 .

Courtesy of BMW OF NORTH AMERICA, INC.

Press down the intake camshaft bearing cap and stepwise apply the screws in the order of (1) to (14) until hand-tight.

Fig 1: Intake Camshaft Bearing Cap Screws Tightening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.
Join all bolts in sequence (1) to (14) in half turns .
Observe the joining torque .
Tighten all screws in a sequence from (1) to (14) .

TIGHTENING TORQUES SPECIFICATION

Intake camshaft to cylinder head
M6	Tensile strength of screw 8.8 Joining torque	9.6 Nm
	tightening torque	9.6 Nm
M6	Tensile strength of screw 10.9 Joining torque	11.8 Nm
	tightening torque	11.8 Nm

Follow-up work

Refer to CHECKING INSTALLATION POSITION OF ROLLER CAM FOLLOWERS .
Refer to ADJUSTING THE CAMSHAFTS WITH THE SPECIAL TOOL .
Refer to INSTALLING THE INTAKE ADJUSTER .
Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
Refer to RELEASING VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to PRE-TENSIONING THE TIMING CHAIN WITH THE SPECIAL TOOL .
Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
Refer to DISASSEMBLING ALL SPECIAL TOOLS .
Refer to INSTALLING CHAIN TENSIONER .
Refer to CHECKING THE TIMINGS OF THE CAMSHAFT .
Refer to CHECKING THE INTERMEDIATE LEVER CLASSIFICATION .
Refer to INSTALLING ALL INTERMEDIATE LEVERS .
Refer to INSTALLING ALL GATES .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT AT CYLINDER 3 AND 4 .
Refer to INSTALLING TORSION SPRINGS .
Refer to INSTALLING THE INTAKE PLENUM .
Refer to INSTALLING THE TANK VENT VALVE .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING BOTH ACTUATORS .
Refer to PREPARING THE INJECTORS FOR INSTALLATION .
Refer to INSTALLING THE HIGH-PRESSURE RAIL WITH INJECTORS OF THE CYLINDERS 4 TO 6 .
Refer to INSTALLING THE HIGH-PRESSURE RAIL WITH INJECTORS OF THE CYLINDERS 1 TO 3 .
Refer to INSTALLING HIGH PRESSURE PUMP .
Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to INSTALLING ALL SPARK PLUGS .
Refer to INSTALLING ALL IGNITION COILS .
Refer to INSTALLING THE LOW-TEMPERATURE COOLANT EXPANSION TANK .
Refer to INSTALLING THE HOLDER OF THE POSITIVE BATTERY CABLE .
Refer to INSTALLING THE CENTER STRUT BRACE MOUNT .
Refer to INSTALLING THE LOWER SECTION OF THE FRONT WALL .
Refer to INSTALLING ACOUSTIC COVER AT REAR .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING THE RIGHT COWL UPPER PART .
Refer to INSTALLING WINDSHIELD PANEL COVER .
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 LEFT AND RIGHT WIPER ARM .
Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
Refer to INSTALLING THE STRUT BRACE ON THE LEFT AND RIGHT .
Refer to INSTALLING THE CLEAN AIR PIPE AND THE RESONATOR .
Refer to INSTALLING THE INTAKE FILTER HOUSING (TENSION STRUT REMOVED ON SHOCK TOWER) .
Refer to INSTALLING THE TENSION STRUT ON THE RIGHT SHOCK TOWER .
Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to ACTIVATING THE 48 V ELECTRICAL SYSTEM .
Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .