Checking the timings of the camshaft

WARNING: Hot surfaces .
Risk of burning!

Perform all work only on components that have cooled down.

WARNING: Working on 12 V electrical system .
Risk of short circuits! Risk of fire!

Make sure that there is no charger connected to the jump start terminal in the engine compartment.
Detach battery ground lead from battery.
For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.

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.

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: RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS) .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults .

Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.

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

Preliminary work

Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
Refer to DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE SEAL FOR THE HOOD REAR .
Refer to REMOVING THE ACOUSTIC COVER .
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 LEFT AND RIGHT WIPER ARM .
Refer to REMOVING WINDSHIELD PANEL COVER .
Refer to REMOVING THE CENTER COWL UPPER PART .
Refer to REMOVING ACOUSTIC COVER AT REAR .
Refer to REMOVING THE CENTER FIREWALL LOWERING PART .
Refer to REMOVING BOTH ACTUATORS .
Refer to REMOVING SEAL FOR FRONT HOOD .
Refer to REMOVING THE COVER FOR THE CENTER ENGINE COMPARTMENT .
Refer to IF INSTALLED: PARTIALLY REMOVING THE TOP RIGHT AND LEFT COVER IN THE ENGINE COMPARTMENT .
Refer to REMOVING THE LEFT AND RIGHT FRONT-END STRUT .
Refer to REMOVING UPPER CROSS CONNECTION .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING THE FAN COWL .
Refer to REMOVING ALL IGNITION COILS .
Refer to REMOVING ALL SPARK PLUGS .
Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL .
Refer to REMOVING FUEL DELIVERY LINE .
Refer to REMOVING HIGH PRESSURE PUMP .
Refer to REMOVING THE HIGH-PRESSURE RAIL WITH INJECTORS OF CYLINDERS 1 TO 3 .
Refer to REMOVING THE HIGH-PRESSURE RAIL WITH INJECTORS OF CYLINDERS 4 TO 6 .
Refer to REMOVING THE CYLINDER HEAD COVER .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING REAR UNDERBODY PROTECTION .
Refer to IF INSTALLED: PARTIALLY RELEASING THE ENGINE OIL COOLER .

Get the set of special tools 2 456 372 ready.

Number	Description
1	Basic carrier
2	Setting gauge 0.7° for adjusting the intake camshaft
3	Setting gauge 0.5° for adjusting the exhaust camshaft
4	Basic carrier screws on cylinder head
5	Screw gauge on basic carrier

Courtesy of BMW OF NORTH AMERICA, INC.

Provide test gauges from the set of special tools 2 358 122 .

Number	Description
1	Test gauges for fixing in place the intake camshaft
2	Test gauges for fixing in place the exhaust camshaft

Courtesy of BMW OF NORTH AMERICA, INC.

Have the special tool 2 288 380 ready.

Number	Description
1	Locating stud

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: RISK OF DAMAGE
Damage to the engine .
If the engine is manually rotated in the wrong direction of rotation, the engine can be damaged .

Only rotate the engine manually in the correct direction of rotation: a) clockwise when looking at the damper, or b) counterclockwise when looking at the chain drive. b) applies only if the timing chain is installed in the rear.

Courtesy of BMW OF NORTH AMERICA, INC.

With the special tool, turn the engine 0 493 380 (11 6 480) to the TDC firing position of cylinder 1 .
Make sure the markings (1) on the intake camshaft (E) and the exhaust camshaft (A) are able to be read from above.

Courtesy of BMW OF NORTH AMERICA, INC.
Make sure the cam (1) on the exhaust camshaft on cylinder 1 is pointing slightly to the inside right at an angle.

Courtesy of BMW OF NORTH AMERICA, INC.
Make sure the cam (1) on the intake camshaft on cylinder 1 is pointing leftwards at an angle.

Courtesy of BMW OF NORTH AMERICA, INC.
Make sure the flattened areas (1) on the intake camshaft and the exhaust camshaft are pointing upwards at an angle.

Courtesy of BMW OF NORTH AMERICA, INC.
Position the basic carrier (1) from the set of special tools 2 456 372 on the cylinder head.

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten the screws (1) from special tool set 2 456 372 on the basic carrier (2) .

TIGHTENING TORQUE SPECIFICATION

Basic carrier to cylinder head
M6	Tightening torque	8 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Position the test gauge (1) from the set of special tools 2 358 122 between the intake camshaft and the basic carrier from the set of special tools 2 456 372 .
Position the test gauge (2) from the set of special tools 2 358 122 between the exhaust camshaft and the basic carrier from the set of special tools 2 456 372 .

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten screws (arrows).

TIGHTENING TORQUE SPECIFICATION

Test gauge to basic carrier
M6	Tightening torque	8 Nm

Guide out and remove sealing cap (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Vehicles with automatic transmission:
Dimension (X) = 66 mm

Special tool 2 288 380 must be inserted up to dimension (X) into the dowel hole.

Courtesy of BMW OF NORTH AMERICA, INC.
Vehicles with automatic transmission:
Special tool 2 288 380 incorrectly positioned.

TDC firing position of cylinder 1 not achieved.

Courtesy of BMW OF NORTH AMERICA, INC.
Vehicles with automatic transmission:
Special tool 2 288 380 correctly positioned.

Engine is in TDC firing position of cylinder 1.

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to IF INSTALLED: SECURING THE ENGINE OIL COOLER .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING BOTH ACTUATORS .
Refer to INSTALLING HIGH PRESSURE PUMP .
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 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 FAN COWL .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING UPPER CROSS CONNECTION .
Refer to INSTALLING FRONT-END STRUT ON LEFT AND RIGHT .
Refer to IF INSTALLED: INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT (PARTIALLY REMOVED) .
Refer to INSTALLING THE COVER FOR CENTER ENGINE COMPARTMENT .
Refer to INSTALLING THE FRONT HOOD SEAL .
Refer to CONNECTING ALL BATTERY GROUND LEADS .
Refer to ACTIVATING THE 48 V ELECTRICAL SYSTEM .
Refer to INSTALLING CENTER FIREWALL LOWERING PART .
Refer to INSTALLING ACOUSTIC COVER AT REAR .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING WINDSHIELD PANEL COVER .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE REAR HOOD SEAL .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .