Remove exhaust camshaft

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:
61 00... SAFETY INSTRUCTIONS ON HANDLING HYBRID CARS .
For additional information see:
61 25... NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .

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
After replacing one or more VANOS central valves or VANOS adjusters:
When removing, make note of the identification/part number of the VANOS central valve or VANOS adjuster and consider writing it down.
It must be replaced with a VANOS adjuster or VANOS central valve with the same part number. A mixed installation is not allowed.
Read out the vehicle l-level and proceed accordingly.
Be absolutely certain to pay attention to PuMA measure 64122020.
For further information, see the applicable BMW parts catalogue.

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 DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE SEAL FOR THE HOOD REAR .
Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
Refer to REMOVING LEFT AND RIGHT WIPER ARM .
Refer to REMOVING THE COWL COVER .
Refer to REMOVING TRAILING LINK AT SPRING BOLT .
Refer to REMOVING THE CENTER COWL UPPER PART .
Refer to REMOVING RIGHT SEALING FRAME .
Refer to FASTENING HIGH-VOLTAGE CABLES ON THE ELECTRICAL MACHINE ELECTRONICS .
Refer to REMOVING ACOUSTIC COVER AT REAR .
Refer to REMOVING LEFT SEALING FRAME .
Refer to REMOVING THE CENTER FIREWALL LOWERING PART .
Refer to REMOVING INTAKE SILENCER HOUSING .
Refer to REMOVING RESONATOR .
Refer to REMOVING CLEAN AIR PIPE .
Refer to REMOVING CHARGE AIR LINE .
Refer to REMOVING THE CYLINDER HEAD COVER ACOUSTIC COVER .
Refer to REMOVING 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 INJECTORS .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
Refer to REMOVING THE FRONT THRUST FIELD .
Refer to REMOVING REAR THRUST FIELD .
Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
Refer to REMOVING THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
Refer to REMOVING AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
Refer to REMOVING FRONT ENGINE ENCAPSULATION .
Refer to REMOVING BOTH ACTUATORS .
Refer to REMOVING THE CYLINDER HEAD COVER .
Refer to PARTIALLY RELEASING ACOUSTIC COVER OF OIL SUMP .
Refer to REMOVING THE THERMOSTAT FROM THE TRANSMISSION OIL LINES .
Refer to TURNING THE ENGINE ON THE VIBRATION DAMPER .
Refer to BLOCKING THE CAMSHAFTS .
Refer to BLOCKING THE CRANKSHAFT IN HE TDC FIRING POSITION OF CYLINDER 1 .
Refer to REMOVING CHAIN TENSIONER .
Refer to RELEASING THE VANOS CENTRAL VALVE .
Refer to REMOVING EXHAUST CAMSHAFT ADJUSTER .
Refer to DISASSEMBLING THE SPECIAL TOOL 2 358 122 .

Subsequently ensure that the exhaust camshaft bearing cap is placed in 0 495 105 (11 4 480) in the special tool.
NOTE: The exhaust camshaft bearing caps are legibly labeled from the intake side and marked with A1, A2and A.

NOTE: Exhaust camshaft bearing cap A is a thrust bearing.

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Loosen all screws on the exhaust camshaft bearing cap in sequence from (10) to (1) in half turn.

Fig 1: Exhaust Camshaft Bearing Cap Screws Loosening Sequence
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Drop the exhaust camshaft bearing cap (A1) , (A2) and (A) and place in order in the special tool 0 495 105 (11 4 480) .

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Remove the roller tappet (1) .
Remove the high pressure pump bracket (2) .

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Remove the exhaust camshaft (1) in the direction of the arrow.

Courtesy of BMW OF NORTH AMERICA, INC.