Remove right cylinder head

Preliminary work 

• Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to DISCONNECTING THE POSITIVE BATTERY CABLE FROM THE FRONT POWER DISTRIBUTION .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING THE COVER FOR THE CENTER ENGINE COMPARTMENT .
• Refer to REMOVING FRONT ORNAMENTAL GRILLE .
• Refer to PARTIALLY REMOVING THE FRONT SECTION OF THE FRONT WHEEL ARCH COVER .
• Refer to REMOVING FRONT BUMPER COVER .
• Refer to REMOVING BOTH HEADLIGHTS .
• Refer to REMOVING THE CENTER TOP CROSS CONNECTION .
• Refer to REMOVING THE FANFARE HORN ON THE LEFT .
• Refer to REMOVING THE FANFARE HORN TOWARDS THE RIGHT .
• Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
• Refer to REMOVING RIGHT AIR DUCT .
• Refer to REMOVING LEFT INTAKE SILENCER HOUSING .
• Refer to REMOVING THE LEFT-HAND AIR DUCT .
• Refer to REMOVING LEFT INTAKE PORT .
• Refer to REMOVING THE REAR TOP CROSS CONNECTION .
• Refer to REMOVING FAN COWL .
• Refer to REMOVING LEFT AND RIGHT WIPER ARM .
• 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 THE SEAL FOR THE HOOD REAR .
• Refer to REMOVING THE COWL COVER .
• Refer to REMOVING THE COWL UPPER PART IN THE CENTER .
• Refer to REMOVING TRAILING LINK AT SPRING BOLT .
• Refer to REMOVING LEFT THROTTLE VALVE ASSEMBLY .
• Refer to PARTIALLY LOOSENING THE LEFT-HAND CHARGE AIR COOLER .
• Refer to REMOVING THE RIGHT THROTTLE BODY .
• Refer to PARTIALLY LOOSENING THE RIGHT-HAND CHARGE AIR COOLER .
• Refer to REMOVING THE ENGINE VENTILATION LINE FROM THE INTAKE SYSTEM .
• Refer to REMOVING THE TANK VENT LINE .
• Refer to REMOVING THE INTAKE PLENUM .
• Refer to REMOVING THE RIGHT-HAND VENTILATION LINE .
• Refer to REMOVING IGNITION COILS .
• Refer to REMOVING COVER FOR THE RIGHT DME CONTROL UNIT .
• Refer to DISCONNECTING ALL CONNECTORS FROM THE DME CONTROL UNIT FOR CYLINDERS 1 TO 6 AND FROM THE INTEGRATED POWER SUPPLY MODULE (PDM) .
• Refer to PARTIALLY RELEASING THE WIRING HARNESS FROM RIGHT CYLINDER HEAD COVER .
• Refer to REMOVING TOP RIGHT CLEAN AIR PIPE .
• Refer to REMOVING RIGHT CHARGE AIR PIPE .
• Refer to REMOVING THE RIGHT HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
• Refer to REMOVING FUEL DELIVERY LINE .
• Refer to REMOVING ALL HIGH PRESSURE LINES BETWEEN RAIL AND INJECTORS .
• Refer to REMOVING RIGHT RAIL .
• Refer to REMOVING RIGHT HIGH-PRESSURE PUMP .
• Refer to REMOVING INJECTORS .
• Refer to REMOVING FRONT RIGHT WHEEL .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
• Refer to REMOVING THE STIFFENING PLATE .
• Refer to RELEASING THE OIL DRAIN PLUG .
• Refer to TIGHTENING THE OIL DRAIN PLUG .
• Refer to REMOVING THE COVER FOR THE STEERING ASSEMBLY ON THE RIGHT .
• Refer to LOOSENING THE ANTI-ROLL BAR LINK ON THE LEFT AND RIGHT FROM THE ANTI-ROLL BAR .
• Refer to REMOVING THE ACTIVE STABILIZER IN FRONT .
• Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
• Refer to REMOVING THE RIGHT OXYGEN SENSOR MONITOR .
• Refer to REMOVING THE REAR DIFFUSER .
• Refer to REMOVING THE TRIM FROM THE REAR BUMPER PANEL .
• Refer to REMOVING BOTH EXHAUST TAILPIPE TRIMS .
• Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
• Refer to REMOVING EXHAUST SYSTEM .
• Refer to REMOVING THE CATALYTIC CONVERTER FOR CYLINDERS 1 TO 6 .
• Refer to DRAINING COOLANT .
• Refer to DRAINING THE COOLANT FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to RELEASING COOLANT FEED LINE FOR THE RIGHT TURBOCHARGER .
• Refer to REMOVING RIGHT CYLINDER HEAD COVER .
• Refer to REMOVING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to REMOVING BOTH SOLENOID VALVES ON RIGHT SIDE .
• Refer to REMOVING THE TOP TIMING CASE COVER FOR CYLINDERS 1 TO 6 .
• Refer to INSTALLING THE PROTECTIVE SHIELD ON THE RADIATOR .
• Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR 2 AND THE AIR CONDITIONING COMPRESSOR .
• Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR .
• Refer to REMOVING THE COOLANT PUMP FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to REMOVING THE HOLDER FOR THE AUXILIARY COOLANT PUMP .
• Refer to REMOVING THE BELT PULLEY .
• Refer to REMOVING THE COOLANT HOSE FROM THE RADIATOR .
• Refer to DETACHING THE COOLANT HOSE FROM THE LOW-TEMPERATURE COOLANT CIRCUIT OF THE RADIATOR .
• Refer to REMOVING THE ALTERNATOR .
• Refer to REMOVING RIGHT CLEAN AIR PIPE .
• Refer to PLACE THE 1ST AND 7TH CYLINDER INTO THE TDC SETTING .
• Refer to REMOVING THE SPECIAL TOOLS TO DISCONNECTING THE CRANKSHAFT .
• Refer to RELEASING THE CHAIN TENSIONER .
• Refer to REMOVING THE HYDRAULIC CHAIN TENSIONER .
• Refer to INSTALLING SPECIAL TOOL TO PRE-TENSIONING TIMING CHAIN .
• Refer to CHECKING TIMING .
• Refer to INSTALLING SPECIAL TOOL FOR FASTENING CAMSHAFTS .
• Refer to SCREW IN SPECIAL TOOLS 11 9 895 1 TO 6 AND 7 TO 12 .
• Refer to FASTENING THE CAMSHAFTS WITH THE SPECIAL TOOL .
• Refer to REMOVING THE UPPER SLIDE RAIL .
• Refer to LOOSENING BOTH CENTRAL BOLTS OF VANOS GEAR .
• Refer to REMOVING SPECIAL TOOL TO PRETENSION TIMING CHAIN .
• Refer to REMOVING THE EXHAUST CAMSHAFT ADJUSTER FOR CYLINDER 1 TO 6 .
• Refer to REMOVING INTAKE ADJUSTER AT CYLINDER 1 TO 6 .

Screw connection of the cylinder head 

Fig 1: Right Cylinder Head Screws Loosening Sequence

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• Unlock and disconnect the plug connection (1)  to the wiring harness section for the sensor system of cylinders 7 to 12.
• Release the wiring harness from the clamps (arrows) and place aside.
• Release the cable from the bracket at rear on the cylinder head.

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• Release the positive battery cable (1)  from the holders (2)  and place it to one side.

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Removing the coolant thermostat 

• Unlock and disconnect connector (1)  .
• Unlock coolant hose (2)  and detach.

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• Loosen screw (1)  .

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• Loosen screws (1)  .
• Remove coolant thermostat.

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• Release the bearing screw (1)  .

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• Loosen screw (1)  .

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• Release spring strap clamps (1)  .
• Pull off the coolant hoses.

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• Release the cable bracket (1)  from the oil dipstick tube.
• Release the screw (2)  on the oil dipstick tube.

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• Loosen screws (1)  .
• Feed out and remove the heat shield.

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• Release banjo bolt (1)  of oil feed line.

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• Unlock and disconnect the plug connection (1)  of the wastegate valve controller.

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• Unlock and disconnect the plug connection (1)  of the blow-off valve.

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• Unscrew screws (1)  and (2)  of the oil return line.
• Remove oil return line.

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• Unscrew screw (1)  and remove the coolant return line.

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  NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
• Unscrew screw (1)  at the cylinder head (arrow).

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• Unscrew the bolts (1)  on the cylinder head.

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• Release the cylinder head bolts in the sequence (14)  to (1)  .
• Remove cylinder head bolts (14)  to (1)  with washers.
  Fig 2: Right Cylinder Head Bolts Loosening Sequence

  Courtesy of BMW OF NORTH AMERICA, INC.
• Install the special tool 0 493 987 (11 8 260)  at the front of the cylinder head using the screws (6x25).
• Tighten the screws.
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Standard screw connection M6
  M6	Tightening torque	8 Nm

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• Attach the special tool 0 490 567 (11 0 020) to a workshop crane.
• Fasten the special tool 0 490 567 (11 0 020) on the securing eye (1) and on the special tool 0 493 987 (11 8 260). 
  NOTE: RISK OF DAMAGE 
  Heavy component. 
  Heavy components can lead to injury or damage. 

  • Remove and install heavy components with the aid of another person/other persons.
  NOTE: TECHNICAL INFORMATION 
  Perform this step carefully  to prevent paint damage on the engine mount.
• The cylinder head (1)  must be guided during the removal procedure.

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  Two support persons are required for removing the cylinder head.

• Keep the timing chain tensioned.
  NOTE: RISK OF DAMAGE 
  Damage to guide rails. 
  The application of great force can damage the guide rails of the timing chain. 

  • When removing and installing the cylinder head, make sure that the cylinder head does not damage the guide rail.
• Ensure that the guide rails of the timing chain are not damaged.
  NOTE: TECHNICAL INFORMATION 
  Handle the timing chain carefully  to protect the timing chain and timing chain drive from damage.
• Carefully lift the cylinder head (1)  in the arrow direction using the special tool 0 490 567 (11 0 020) and a workshop crane.
• Guide out the timing chain and the chain guides.
• Remove the cylinder head (1)  forward and upward using the workshop crane.