Remove exhaust camshaft

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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: Hot surfaces .
Risk of burning!

Perform all work only on components that have cooled down.

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: 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 SUSPENSION STRUT BRACE .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE FRONT-END STRUT .
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 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 TRAILING LINK AT SPRING BOLT .
Refer to REMOVING THE CENTER COWL UPPER PART .
Refer to REMOVING THE CENTER BULKHEAD LOWER PART .
Refer to REMOVING THE CLEAN AIR PIPE FOR CYLINDERS 1 TO 3 .
Refer to REMOVING THE LEFT INTAKE FILTER HOUSING (FRONT-END STRUT REMOVED) .
Refer to REMOVING THE RIGHT INTAKE FILTER HOUSING (FRONT-END STRUT REMOVED) .
Refer to REMOVING CLEAN AIR PIPE CYLINDERS 4-6 .
Refer to PARTIALLY REMOVING THE COOLANT EXPANSION TANK OF THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING THE HOLDER OF THE POSITIVE BATTERY CABLE .
Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 4 TO 6 .
Refer to REMOVING SEAL FOR FRONT HOOD .
Refer to REMOVING THE COVER FOR THE CENTER ENGINE COMPARTMENT .
Refer to REMOVING UPPER CROSS CONNECTION .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING ALL IGNITION COILS .
Refer to REMOVING ALL SPARK PLUGS .
Refer to REMOVING FUEL DELIVERY LINE .
Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL FOR CYLINDERS 1 TO 6 .
Refer to REMOVING BOTH HIGH PRESSURE PUMPS .
Refer to REMOVING THE RAIL WITH INJECTORS OF CYLINDERS 1 TO 3 .
Refer to REMOVING THE RAIL WITH INJECTORS OF CYLINDERS 4 TO 6 .
Refer to REMOVING THE FRONT SPOILER .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE LEFT AND RIGHT FRONT UNDERSHIELD .
Refer to REMOVING THRUST FIELD .
Refer to REMOVING THE RIGHT HAND FRONT BOTTOM SIDE COVER .
Refer to DRAINING THE COOLANT FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to CONNECTING THE COOLANT LINE TO THE RADIATOR .
Refer to REMOVING THE FAN COWL .
Refer to REMOVING THE CHARGE AIR DUCT FOR CYLINDERS 1-3 .
Refer to REMOVING THE CHARGE AIR DUCT FOR CYLINDERS 4-6 .
Refer to REMOVING THE CHARGE AIR CROSSING .
Refer to REMOVING THE COOLANT FEED LINE PART 2 BETWEEN THE AUXILIARY COOLANT PUMP AND EXHAUST TURBOCHARGER .
Refer to PARTIALLY RELEASING THE AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
Refer to REMOVING THE COOLANT RETURN LINE BETWEEN THE EXHAUST TURBOCHARGER AND THERMOSTAT .
Refer to REMOVING BOTH ACTUATORS .
Refer to REMOVING THE CYLINDER HEAD COVER .
Refer to BLOCKING THE ENGINE IN THE TDC FIRING POSITION .
Refer to REMOVING CHAIN TENSIONER .
Refer to RELEASING VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to REMOVING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to REMOVING EXHAUST CAMSHAFT ADJUSTER .
Refer to REMOVING THE TEST GAUGES FOR SECURING THE CAMSHAFTS .

NOTE: TECHNICAL INFORMATION
The special tool 83 30 2 410 670 is used for depressing the valves from the second cylinder for a tension-free disassembly or installation of the exhaust camshaft. Due to technical modifications in the S58B30T0, the thrust pieces 83 30 2 468 424 are mounted on the existing special tool.
Information on modification can be found in the additional information.

Keep special tool 0 495 741 (11 8 552) at hand.

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Keep special tool 2 410 670 at hand.

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Have the special tool 2 468 424 ready.

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Prepare special tools.

Number	Description
11 8 552	Knurled screws
2 410 670	Stand
2 468 424	Synchronizing key

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Position the special tool 2 410 670 at cylinder 2 and hand-tighten it with the special tool 0 495 741 (11 8 552) from the set of special tools 0 495 739 (11 8 550) .
Screw in both roller cam followers (1) on 2nd cylinder with the spindle nut of the special tool 2 410 670 up to the limit position.
Make sure the special tool 2 468 424 is positioned correctly on the roller cam follower (1) .

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Feed out and remove the roller tappet (1) from the marked area of the high pressure pump bracket.

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Pay attention to the numbering on the exhaust camshaft bearing cap.
The exhaust camshaft bearing caps are numbered from (A1) to (A2) .

The exhaust camshaft bearing cap (A) is a thrust bearing.

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When removing the high-pressure pump bracket (1) and (2) , it should be noted that the high pressure pump bracket (1) and (2) are numbered in the marked area.

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Release screws in the sequence (14) to (1) in half turns .
Remove high pressure pump bracket and all exhaust camshaft bearing cap.
Place all exhaust camshaft bearing cap in order in special tool 0 495 105 (11 4 480) .

Fig 1: Exhaust Camshaft Bearing Caps Screws Loosening Sequence
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Feed the exhaust camshaft (1) out to the top and remove.

Courtesy of BMW OF NORTH AMERICA, INC.