Disassemble cylinder head on left and assemble

Preliminary work 

• Refer to SUCTION THE AIR CONDITIONING .
• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING THE WHEEL .
• Refer to REMOVING THE FRONT SECTION OF THE FRONT WHEEL ARCH COVER .
• Refer to REMOVING THE TOP LEFT COVER IN THE ENGINE COMPARTMENT and REMOVE THE TOP RIGHT COVER IN THE ENGINE COMPARTMENT .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING UPPER CROSS CONNECTION .
• Refer to REMOVING THE FRONT-END STRUT .
• Refer to REMOVING THE REAR TOP CROSS CONNECTION .
• Refer to REMOVING THE INTAKE FILTER HOUSING ON THE LEFT .
• Refer to REMOVING ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
• Refer to PARTIALLY DETACHING ACTIVATED CARBON FILTER LINE .
• Refer to REMOVING THE OXYGEN SENSOR MONITOR FOR THE CYLINDERS 5 TO 8 .
• Refer to REMOVING THE LEFT INTAKE SILENCER BRACKET .
• Refer to REMOVING THE LEFT UNFILTERED-AIR DUCT .
• Refer to REMOVE RIGHT INTAKE SILENCER HOUSING .
• Refer to PARTIAL UNINSTALLATION OF THE ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
• Refer to REMOVING ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
• Refer to REMOVING THE OXYGEN SENSOR MONITOR FOR THE CYLINDERS 1 TO 4 .
• Refer to REMOVING THE RIGHT INTAKE SILENCER BRACKET .
• Refer to REMOVING THE LOW-TEMPERATURE COOLANT EXPANSION TANK .
• Refer to REMOVING THE CROSS OF THE TRANSMISSION WIRING HARNESS .
• Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 1 TO 4 .
• Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 5 TO 8 .
• Refer to REMOVING UPPER HEAT SHIELD .
• Refer to DISCONNECTING THE EXHAUST SYSTEM .
• Refer to REMOVING THRUST FIELD .
• Refer to REMOVING NEAR-ENGINE CATALYTIC CONVERTER AT THE BOTTOM OF THE CYLINDER BANK 1 .
• Refer to REMOVING UPPER CATALYTIC CONVERTER NEAR ENGINE FROM CYLINDER BANK 1 .
• Refer to REMOVE NEAR-ENGINE CATALYTIC CONVERTER AT THE BOTTOM OF THE CYLINDER BANK 2 .
• Refer to REMOVING THE CATALYTIC CONVERTER NEAR THE ENGINE AT TOP OF CYLINDER BANK 2 .
• Refer to REMOVING THE LEFT AND RIGHT EXHAUST TURBOCHARGER .
• Refer to REMOVING FRONT HEAT SHIELD .
• Refer to REMOVING HEAT SHIELD OF THE CYLINDER HEAD COVER FOR CYLINDERS 1 TO 4 .
• Refer to REMOVING HEAT SHIELD OF CYLINDER HEAD COVER OF CYLINDERS 5 TO 8 .
• Refer to REMOVING BOTH EXHAUST MANIFOLDS .
• Refer to REMOVING HEAT SHIELD AT BOTTOM .
• Refer to REMOVING OIL FILLER NECK .
• Refer to REMOVING THE RIGHT UNFILTERED-AIR DUCT .
• Refer to REMOVING THE FAN COWL .
• Refer to REMOVING COVER FOR THE DME CONTROL UNIT ON LEFT .
• Refer to REMOVING THE DME CONTROL UNIT FOR CYLINDERS 5 TO 8 .
• Refer to REMOVING THE HOLDER FOR THE DME CONTROL UNIT ON THE LEFT .
• Refer to REMOVING SAFETY PRESSURE SWITCH .
• Refer to DISCONNECTING REFRIGERANT LINE ON THE CONNECTING PIECE .
• Refer to REMOVING THE PRESSURE LINE BETWEEN THE EVAPORATOR AND THE AIR CONDITIONING CONDENSER .
• Refer to REMOVING DRIVE BELT .
• Refer to REMOVING THE ALTERNATOR .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
• Refer to REMOVING THE WHEEL ARCH COVER AT THE BOTTOM FRONT LEFT AND BOTTOM RIGHT .
• Refer to DRAINING THE COOLANT FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to DRAINING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to REMOVING LEFT AND RIGHT CHARGE AIR COOLER .
• Refer to REMOVING VANOS SOLENOID ACTUATOR, EXHAUST OF CYLINDER BANK 2 .
• Refer to REMOVING LEFT THROTTLE VALVE ASSEMBLY .
• Refer to REMOVING THE COOLANT LINE BETWEEN THE COOLANT PUMP AND HEAT EXCHANGER .
• Refer to REMOVING IGNITION COIL OF CYLINDER BANK 2 .
• Refer to REMOVING THE IGNITION COILS OF CYLINDERS 1 AND 2 .
• Refer to REMOVING RAIL FROM BANK 2 .
• Refer to RELEASING THE COOLANT LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to PARTIALLY RELEASING THE FUEL SUPPLY LINE ON THE RIGHT .
• Refer to REMOVING FUEL DELIVERY LINE .
• Refer to REMOVING THE HEAT SHIELD OF THE CRANKCASE VENTILATION OF THE CYLINDERS 5 TO 8 .
• Refer to REMOVING LEFT HIGH PRESSURE PUMP .
• Refer to REMOVING WIRING HARNESS SECTION FOR THE IGNITION SYSTEM OF CYLINDER BANK 2 .
• Refer to REMOVING LEFT CYLINDER HEAD COVER .
• Refer to REMOVE THE SEALING CAP ON THE CYLINDER HEAD OF THE CYLINDER BANK 2 .
• Refer to REMOVING THE BELT PULLEY ON THE TORSIONAL VIBRATION DAMPER .
• Refer to MOVING THE CRANKSHAFT INTO THE INSTALLATION POSITION OF CYLINDER BANK 1 .
• Refer to CHECKING THE VANOS ADJUSTER OF CYLINDER BANK 2 .
• Refer to RELAXING CHAIN TENSIONER ON BANK 2 FOR CHECKING OR SETTING TIMING .
• Refer to REMOVING HYDRAULIC CHAIN TENSIONER OF CYLINDER BANK 2 .
• Refer to PRELOADING THE TIMING CHAIN OF CYLINDER BANK 2 .
• Refer to SECURING THE ENGINE IN INSTALLATION POSITION AT CYLINDER 1 .
• Refer to INSTALLING THE SPECIAL TOOL TO SECURE THE CAMSHAFTS OF CYLINDER BANK 2 .
• Refer to REMOVING BOTH LEFT VANOS ADJUSTERS .
• Refer to REMOVING SPECIAL TOOL FOR FIXING CAMSHAFTS IN POSITION ON BANK 2 .
• Refer to REMOVING SPECIAL TOOL TO PRETENSION TIMING CHAIN ON CYLINDER BANK 2 .
• Refer to REMOVING LEFT CYLINDER HEAD .

Removing the engine venting connector of cylinder bank 2 

• Release venting connector (1)  .

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Remove spark plugs of bank 2, cylinder head removed 

• Unscrew the spark plugs with the special tool 0 495 560 (12 1 220) and an extension with joint. 

  Flexible ratchet extensions must always be used. If rigid mounting tools are used, there is a risk of insulator breakages.

  Also, do not use a variable plug connection with locking capability as this poses a risk of insulator breakages.

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• Unscrew spark plugs (1) with special tool 0 495 560 (12 1 220) and extension with joint. 

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Remove the engine mounting bracket of cylinder bank 2 

• Loosen screws (2)  .
• Remove the engine mounting bracket (1)  .

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Attaching cylinder head of bank 2 to assembly jig, and removing and installing valves 

Remove the left intake plenum (cylinder head removed) 

• Loosen screws (1)  .
• Loosen screws (2)  .
• Guide out right intake plenum.

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Removing the left Valvetronic servomotor (cylinder head removed) 

• Loosen screws (3)  .
• Turn Valvetronic servomotor eccentric shaft (2)  counterclockwise to loosen and remove the Valvetronic servomotor (1)  .

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Installing the cylinder head of cylinder bank 2 on the assembly jig 

• Get the set of special tools 0 495 187 (00 2 300) ready.

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  Number	Description
  1	Assembly jig
  2	Flange
  3	Crank
  4	cover panel
  5	shelf
  6	Rear shaped part
  7	Collecting vessel
  8	Front shaped part
  9	Front wheel
  10	Rear wheel with stop
  11	Rubber mat

• Get the set of special tools 0 494 362 (11 9 000)  ready.

  Number	Description
  1	Device
  2	Rod
  3	Adapter
  4	Lug
  5	Quick tensioning device
  6	Aluminum frame insert
  7	Shaped part
  8	Plastic shaped part
  9	lever
  10	hook
  11	Valve spring cage
  12	Valve spring cage
  13	Valve spring cage
  14	Valve spring cage
  15	Valve spring cage
  16	Valve spring cage
  17	Valve spring cage

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• Position the flange (1)  on the assembly jig (2)  .
• Tighten screws (arrows).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Flange to assembly jig
  M14X30	Tightening torque	135 Nm

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• Feed in the device (1)  on the flange (2)  in direction of arrow and install.
• Make sure that the lock (3)  engages audibly.

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• Loosen screw (1)  .
• Feed out rod (2)  in arrow direction and set aside.

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• Keep the screws from the set of special tools 0 496 408 (11 8 080) ready. 
• The washers of the cylinder head bolts (1)  must be used.

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• Apply the cylinder head (1)  hand-tight on the special tool 0 494 362 (11 9 000)  in the attachment point area using the screws from the set of special tools 0 496 408 (11 8 080). 

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Removing the exhaust camshaft of cylinder bank 2 

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

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• Mark the guide bearing shells of the exhaust camshaft from (A1)  to (A4)  as shown in the graphic.

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• Release the screws of the guide bearing in the order (1)  to (10)  by half a rotation at a time.
• Remove the guide bearing shells of the exhaust camshaft.
• Remove the exhaust camshaft.

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Removing the roller cam follower from the exhaust side of cylinder bank 2 

• Detach and remove the roller cam followers (1)  on the exhaust side from hydraulic valve clearance compensating elements (arrows).
• Place all roller cam followers in order in special tool 0 495 105 (11 4 480). 

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Removing hydraulic valve clearance compensating elements of the exhaust side of cylinder bank 2 

• Pull all exhaust hydraulic valve clearance compensating elements of the exhaust side (1)  up and off.
• Place all hydraulic valve clearance compensating elements in proper order on the special tool 0 495 105 (11 4 480). 

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Remove torsion springs 

Precondition: 

If the Valvetronic servomotor is installed, the eccentric shaft must be released via the Valvetronic servomotor. 

• The modified locking rods 2 411 031  must be installed on the special tool 2 249 160. 

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• Position special tool 2 249 160  at a downward angle on the torsion spring panel (2)  .

  The lug (1)  should be positively locked with the torsion spring panel (2)  .

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• The guide pins (2)  in the special tool 2 249 160  should be positively locked with the recesses in the torsion spring panel (1)  .

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• Press lever (1)  on the special tool 2 249 160  in the direction of arrow until the latch mechanisms (2)  lock.

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• Release bolt on the plate of the torsion spring in the area (1)  .
• Guide out special tool 2 249 160 (2)  with the torsion spring and the panel of the torsion spring.

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• Connect separate components of the special tool 2 249 160 (3)  to (2)  and secure with the locking pin (1)  .

  The locking pin (1) should audibly engage. 

• Clamp special tool 2 249 160  in a standard vice at area (2)  .

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• Use the lever (1)  to push special tool 2 249 160  forward to pretension the torsion springs (3)  .
• Pull lever (2)  down to release the retaining pins (5)  from the anti-twist locks (4)  .
• Carefully release tension on the lever (1)  on the special tool 2 249 160. 
• Remove the torsion spring with the lock plate (3) and place it in the special tool 0 495 105 (11 4 480) in an ordered position. 

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• Repeat steps for all torsion springs.

Twist camshaft if necessary.

Remove the sliding block of cylinder bank 2 

• Position the special tool 2 249 166  on the intake camshaft (1)  in the area of the sliding block (2)  to be disassembled.

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• Preload the sliding block (3)  with the special tool 2 249 166 (2)  in direction of arrow.
• Loosen screw (1)  .
• Remove the gate (3)  and place it arranged in order into 0 495 105 (11 4 480). 
• Repeat the step for all the gates.

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Removing the intake camshaft of cylinder bank 2 

• Mark the guide bearing shells of the intake camshaft from (E1)  to (E5)  as shown in the graphic.
• Release the screws of the guide bearing with the item numbers (1)  and (4)  in several steps by half a rotation at a time.
• Remove the guide bearing shells.
• Remove the intake camshaft.

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Remove the intermediate lever of the intake side 

• Feed out the intermediate lever (1)  upward from the roller cam follower (2)  and the cam (3)  of the eccentric shaft.
• Repeat the step for all intermediate levers (1)  .

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Removing the roller cam follower of the intake camshaft 

• Release and remove the roller cam follower (2)  on the intake side from the hydraulic valve clearance compensating element.
• Place all roller cam followers in order in special tool 0 495 105 (11 4 480). 
• Remove all hydraulic valve clearance compensating elements (1)  to the top.
• Place all hydraulic valve clearance compensating elements into the special tool 0 495 105 (11 4 480) along with the roller cam followers in order. 

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Remove the eccentric shaft of cylinder bank 2 

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• Release all the screws in the marked  areas (1)  .
• Twist the eccentric shaft (2)  counterclockwise.
• Label the bearing brackets as shown in the graphic.
• Orderly set down bearing brackets (E1)  to (E5)  in the special tool 0 495 105 (11 4 480). 
• Guide out the eccentric shaft (2)  toward the top and remove it.

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Set up cylinder head of cylinder bank 2 on special tool 119000 

• Prepare plastic shaped parts (1)  with the shaped parts (2)  and aluminum frame insert (3)  .

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• Quick clamping devices (1) on special tool 0 494 362 (11 9 000) (2) must be unlocked. 
• Insert aluminum frame insert (2)  .

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• Position cylinder head on special tool 0 494 362 (11 9 000). 
• The valves in area (2)  must be aligned with the plastic elements (1)  .

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• Cylinder head (1) on special tool 0 494 362 (11 9 000) must be hand-tightened in the area of the  attachment points with screws from the set of special tools 0 496 408 (11 8 080). 

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• Lock quick clamping device (1) on special tool 0 494 362 (11 9 000) (2) in arrow direction. 

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• Select the correct valve spring cage from the set of special tools 0 494 362 (11 9 000). 

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• Complete special tool 0 494 362 (11 9 000). 
• Select suitable position on the lever of the valve spring cage (1)  and secure hand-tight with the screws.
• Hook with damper (2)  can be fixed on special tool 0 494 362 (11 9 000)  for easier disassembly of the valve shims.

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Remove valves 

• Position valve spring cage (1)  on the valve head.
• Push special tool 0 494 362 (11 9 000)  down on the lever (3)  and attach on the hook (4)  .
• Remove valve shims (2)  with magnet.
• Detach hook (4)  .
• Relieve lever (3)  .

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• Remove valve spring cup (1)  .
• Remove valve spring (3)  and place it arranged in order in the special tool 0 495 105 (11 4 480). 

  Observe color coding and direction of installation and mark and identify where required. 

• When replacing the valves, the cylinder head must be detached from the cylinder head 0 494 362 (11 9 000). 
• Repeat step for all valves.

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Replacing the valve stem seals 

• Disassemble the valve stem seal (1)  in arrow direction with the special tool 0 490 796 (11 1 480). 

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• Remove oil and dirt from the contact surface (1)  .

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• During installation of the valve stem seal, use the special tool 0 490 797 (11 1 960). 

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• Insert and install special tool 0 490 797 (11 1 960) on the valve (1). 

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• Insert and install valve stem seal (1)  on the special tool 0 490 797 (11 1 960). 

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• Guide the special tool 0 490 797 (11 1 960)  out and remove.

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• Press the valve stem seal (1)  with the special tool 0 493 249 (11 6 380)  onto the cylinder head until the stop.

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• Make sure the valve stem seal (1)  is properly positioned on the cylinder head (2)  .

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Installing valves 

• When replacing the valves, the cylinder head must be fastened on the special tool 0 494 362 (11 9 000). 
• Observe the color coding and direction of installation. 

  Position the valve spring (3)  .

• Position the valve spring cup (1)  .

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• Position valve spring cage (1)  on the valve head.
• Push special tool 0 494 362 (11 9 000)  down on the lever (3)  and attach on the hook (4)  .
• Insert the valve shims (2)  with a magnet or screwdriver.
• Detach hook (4)  .
• Relieve lever (3)  .
• Repeat step for all valves.

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Checking the valves for tightness 

• Coat all intake valves with fuel in area (1)  on the cylinder head.

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• Coat all exhaust valves with fuel in area (1)  on the cylinder head.

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Check 

• Does fuel escape from valves (1)  and (2)  on the cylinder head?

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Result 

No fuel escapes from the valves or valve seats.

Measure 

• Continue the repair with the next step.

Result 

Fuel escapes from the valves or valve seats.

Measure 

• Clean valves, countersink and replace if necessary.

Installing cylinder bank 2 eccentric shaft 

• Coat the bearing positions of the eccentric shaft with motor oil.
• Insert the eccentric shaft (2)  from below and install.
• Pay attention to the installation locations of the guide bearing shells (E1) to (E5). 
• Position bearing brackets as shown in the illustration.

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  NOTE: RISK OF DAMAGE 
  Contaminant or foreign body. 
  Contamination can result in malfunctions, loss of function or leaks. 

  • Adhere to the utmost cleanliness.
  • Protect components from contamination e.g. by covering.
  • Close off line connections with seal plugs.

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• Tighten all screws in the marked 
• areas (1)  .

Eccentric shaft bearing brackets
Screw M6	Tightening torque	10 Nm

Releasing tension on special tool 119000 

• Release quick clamp device (1)  from the special tool 0 494 362 (11 9 000) (2)  in the direction of the arrow.
• Remove aluminum frame insert (2)  .

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Installing the roller cam follower of the intake camshaft 

• If a new hydraulic valve clearance compensating element has not been installed, install in the same position. 
• Install all hydraulic valve clearance compensating elements (1)  downward.
• If the roller cam followers are not being replaced, install the roller cam followers in the same position. 
• Install the roller cam follower (2)  .

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Checking the intermediate lever classification 

• Checking the intermediate lever classification (arrows).

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Installing intermediate lever on intake side 

• Position intermediate lever (1)  so that it contacts roller cam follower (2)  and cam of eccentric shaft (3)  .
• Repeat the step for all intermediate levers (1)  .

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Installing intake camshaft of cylinder bank 2 

• Plastic rings (1)  are maintenance free and do not need to be replaced.
• Check plastic rings for damage, replace if necessary.

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  NOTE: TECHNICAL INFORMATION 
  The rocker arms may slip slightly when the camshaft is positioned. Make sure rocker arms are correctly positioned on the hydraulic valve clearance compensating elements and on valves.
• Position intake camshaft.
• When screwing the camshafts, make sure the valves have free movement. 

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• Position guide bearing shells according to marks (E1)  to (E5)  .
• Join the screws of the guide bearings with position numbers (1)  and (4)  in multiple steps by one half turn at a time until flush.
• Tighten the screws (1)  .
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Intake/exhaust camshaft
  M6	Tightening torque	10 Nm

• Tighten down screws (4)  .
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Intake/exhaust camshaft
  M6	Tightening torque	10 Nm

• All intermediate levers (3)  must rest correctly on the idler pulley (1)  and on the camshaft (4)  .
• All intermediate levers (3)  must rest correctly on the idler pulley (2)  and on the eccentric shaft (5)  .

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Installing the sliding block of cylinder bank 2 

• Remove the oil and dirt from the sliding block (3)  .
• Position the sliding block (3)  and abut with the screw (1)  .
• Position the special tool 2 249 166  on the intake camshaft (1)  in the sliding block (2)  area.
• Preload the sliding block (3)  with the special tool 2 249 166 (2)  in direction of arrow.
• Tighten down screw (1)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Sliding block on cylinder head
  Screw M7x35 10.9	Tightening torque	20.5 Nm

• Relieve the special tool 2 249 166 (1)  and feed it out of the camshaft (2)  and place aside.
• Repeat the step for all the gates.

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Installing torsion springs 

• Position the torsion springs (3)  on the special tool 2 249 160. 

  The lug in area (1) must be positively locked with the torsion spring panel (3). 

  The guide pins (2) in the special tool 2 249 160 must be positively locked with the recesses in the torsion spring panel (3). 

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• Connect individual parts of the special tool 2 249 160 (3) to (2) and secure with the locking pin (1)  .

  The locking pin (1) should audibly engage. 

• Clamp special tool 2 249 160  in a standard vice at area (2)  .

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• Use the lever (1)  to push special tool 2 249 160  forward to pretension the torsion springs (3)  .
• The retaining pins (5)  should be secured to the detent (4)  on both sides.
• Do not operate the release lever (2). 

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• Feed in the special tool 2 249 160  with the torsion spring.
• Position torsion springs in the intermediate levers on the cylinder head.

  The ends of the torsion springs (1) must be located in the recesses of the intermediate lever (2). 

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• Tighten screw at area (1)  on the torsion spring panel.

Torsion spring on cylinder head
M6x20 screw	tightening torque	10 Nm

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• The special tool 2 249 160 (2)  must be pre-tensioned.
• Press lever (1)  on the special tool 2 249 160  in the direction of the arrow until the detents (2)  release.

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• Press the lever (1)  on the special tool 2 249 160  forward to keep the torsion springs (3)  tensioned.
• Pull lever (2)  down to release the retaining pins (5)  from the anti-twist locks (4)  .
• Carefully release tension on the lever (1)  on the special tool 2 249 160. 
• Remove the special tool 0 495 105 (11 4 480). 
• Repeat steps for all torsion springs.

  Twist camshaft if necessary.

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Installing hydraulic valve clearance compensating element of the exhaust side of bank 2 

• Install all exhaust hydraulic valve clearance compensating elements of the exhaust side (1)  downward.

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Install roller cam followers on exhaust side of cylinder bank 2 

• Position roller cam followers (1)  on exhaust side on the hydraulic valve clearance compensating elements.

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Installing cylinder bank 2 exhaust camshaft 

• Plastic rings (1)  are maintenance free and do not need to be replaced.
• Check plastic rings for damage, replace if necessary.

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• Position exhaust camshaft.
• Position exhaust camshaft guide bearing shell.
• Screw in guide bearing screws in the order (1)  to (10)  by a half turn at a time until they can no longer be tightened.

  Tighten screws in the order (1)  to (10)  .

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  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Intake/exhaust camshaft
  M6	Tightening torque	10 Nm

• Install roller tappet (1)  into the high pressure pump bracket (2)  .

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Removing cylinder head of bank 2 from assembly jig 

• Release the screws 0 496 408 (11 8 080) at the special tool 0 494 362 (11 9 000)  in the area of the attachment points.
• Remove the cylinder head (1)  .

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Installing the left Valvetronic servomotor (cylinder head removed) 

• If necessary, lever the radial shaft seal (1)  out of the cylinder head using a commercially available tool.

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• Replace radial shaft seal (1)  at front.

  Parts:  Radial shaft seal

• Grease the gearing on the worm drive in area (2)  using lubricating grease.

  Parts:  lubric. grease

  CONSUMABLE SPECIFICATION
  
  

  Lubricating grease Longtime PD-1

  400 g, Cartridge

  83192160340

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• Screw in the Valvetronic servomotor (1)  evenly with the shaft (2)  through the gearing of worm drive up to the stop.
• Secure screws (3)  .

Valvetronic servomotor on cylinder head
M6x16-8.8	Tightening torque	9.6 Nm

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Installing the left intake plenum (cylinder head removed) 

• Replace the seal (4)  .

  Parts:  Seal

• Only during replacement of the intake plenum: 

  Loosen screws (1)  .

  Unlock pressure sensor (2)  on the retaining tab (3)  .

  Remove pressure sensor (2)  .

  Position pressure sensor (2)  .

  Retaining tab (3)  must audibly lock in.

  Tighten down screws (1)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Pressure sensor
  screw	Tightening torque	3 Nm

• Position the left intake plenum.
• Tighten down screws (1)  .
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Intake plenum
  M6 screw	Tightening torque	10 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten down screws (2)  .

Intake plenum
M8 screw	Tightening torque	21.4 Nm

Install engine mounting bracket of bank 2 

• Position engine mounting bracket (1)  .
• Tighten screws (2)  .

Engine suspension element
M8x22 screw	Tightening torque	20 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Installing spark plugs in cylinder bank 2 (cylinder head removed) 

Insert spark plug (1) into special tool 0 496 065 (12 1 230). 

Make sure the spark plug does not fall into the spark plug shaft.

Courtesy of BMW OF NORTH AMERICA, INC.

First screw spark plugs into the engine using special tool 0 496 065 (12 1 230) and tighten manually.

Tighten spark plug 1 using a torque wrench with the special tool 0 496 065 (12 1 230) and an extension with joint.

Courtesy of BMW OF NORTH AMERICA, INC.

M12x1.25

Tightening torque

23 Nm

Installing venting connector of cylinder bank 2 

Replace the venting connector (1)  .

Parts:  Venting connector

Tighten the venting connector (1)  .

Venting connector/special tool to cylinder head

Courtesy of BMW OF NORTH AMERICA, INC.

M8x1 Replace the venting connector.

Tightening torque

15 Nm

Follow-up work 

• Refer to INSTALLING THE LEFT CYLINDER HEAD .
• Refer to INSTALLING BOTH LEFT VANOS ADJUSTERS (CYLINDER HEAD INSTALLATION CYLINDER BANK 2) .
• Refer to INSTALLING THE BELT PULLEY ON THE TORSIONAL VIBRATION DAMPER .
• Refer to INSTALLING HEAT SHIELD ON THE BOTTOM .
• Refer to INSTALLING FRONT HEAT SHIELD .
• Refer to INSTALLING BOTH EXHAUST MANIFOLDS .
• Refer to INSTALLING THE HEAT SHIELD OF THE CYLINDER HEAD COVER FOR CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE HEAT SHIELD OF THE CYLINDER HEAD COVER FOR CYLINDERS 1 TO 4 .
• Refer to INSTALLING THE LEFT CYLINDER HEAD COVER .
• Refer to INSTALLING LEFT AND RIGHT EXHAUST TURBOCHARGERS .
• Refer to INSTALLING WIRING HARNESS SECTION FOR IGNITION SYSTEM OF BANK 2 .
• Refer to INSTALLING RIGHT HIGH PRESSURE PUMP .
• Refer to INSTALLING THE LEFT HIGH PRESSURE PUMP .
• Refer to INSTALLING THE HEAT SHIELD OF THE CRANKCASE VENTILATION OF CYLINDERS 5 TO 8 .
• Refer to INSTALLING FUEL DELIVERY LINE .
• Refer to ATTACHING THE RIGHT FUEL SUPPLY LINE .
• Refer to SECURING COOLANT LINES FOR THE EXHAUST TURBOCHARGERS .
• Refer to INSTALLING RAIL ON BANK 2 .
• Refer to INSTALLING THE IGNITION COILS OF CYLINDER BANK 2 .
• Refer to INSTALLING THE IGNITION COILS OF CYLINDERS 1 AND 2
• Refer to FASTENING THE COOLANT LINE BETWEEN THE COOLANT PUMP AND THE HEAT EXCHANGER .
• Refer to INSTALLING THE LEFT THROTTLE BODY .
• Refer to INSTALLING THE CHARGE AIR COOLER ON THE LEFT AND RIGHT .
• Refer to CLOSING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to CLOSING THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING THE LOWER LEFT FRONT WHEEL ARCH COVER .
• Refer to INSTALLING ALTERNATOR .
• Refer to INSTALL DRIVE BELT .
• Refer to INSTALLING THE PRESSURE LINE BETWEEN THE EVAPORATOR AND THE AIR CONDITIONING CONDENSER .
• Refer to SECURING THE REFRIGERANT LINE TO THE CONNECTING PIECE .
• Refer to INSTALLING THE SAFETY PRESSURE SWITCH .
• Refer to INSTALLING THE HOLDER FOR THE DME CONTROL UNIT ON THE LEFT .
• Refer to INSTALLING THE DME CONTROL UNIT OF CYLINDERS 5 TO 8 .
• Refer to INSTALLING COVER FOR THE LEFT DME CONTROL UNIT .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE RIGHT UNFILTERED-AIR DUCT .
• Refer to INSTALLING OIL FILLER NECK .
• Refer to INSTALLING FRONT HEAT SHIELD .
• Refer to INSTALLING LEFT AND RIGHT EXHAUST TURBOCHARGERS .
• Refer to INSTALLING UPPER CATALYTIC CONVERTER NEAR ENGINE FOR BANK 2.
• Refer to INSTALLING THE CATALYTIC CONVERTER NEAR ENGINE, BOTTOM AT BANK 2 .
• Refer to INSTALLING CATALYTIC CONVERTER NEAR THE ENGINE ABOVE CYLINDER BANK 1 .
• Refer to INSTALLING THE CATALYTIC CONVERTER NEAR ENGINE, BOTTOM AT BANK 1 .
• Refer to INSTALLING THE STIFFENING PLATE .
• Refer to INSTALLING TOP HEAT SHIELD .
• Refer to CONNECTING THE EXHAUST SYSTEM .
• Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 1 TO 4 .
• Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE CROSSING OF THE TRANSMISSION WIRING HARNESS .
• Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE .
• Refer to INSTALLING BRACKET FOR RIGHT INTAKE SILENCER .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR FOR CYLINDERS 1 TO 4 .
• Refer to INSTALL RIGHT INTAKE SILENCER HOUSING .
• Refer to INSTALLING THE LEFT UNFILTERED-AIR DUCT .
• Refer to INSTALLING THE LEFT INTAKE SILENCER BRACKET .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR FOR CYLINDERS 5 TO 8 .
• Refer to FASTENING THE ACTIVATED-CHARCOAL FILTER LINE .
• Refer to INSTALL THE ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
• Refer to FASTENING THE ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
• Refer to INSTALLING LEFT INTAKE SILENCER HOUSING .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING THE FRONT-END STRUT .
• Refer to INSTALLING UPPER CROSS CONNECTION .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT and INSTALL THE COVER IN THE ENGINE COMPARTMENT ON TOP LEFT .
• Refer to INSTALLING THE FRONT SECTION OF THE FRONT WHEEL ARCH COVER .
• Refer to MOUNTING THE WHEEL .
• Refer to RECONNECTING ALL BATTERY GROUND LEADS .
• Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
• Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to EVACUATE AND CHARGE CONDITIONING .
• Refer to CHECKING ENGINE OIL LEVEL .