Installing the exhaust turbocharger (cylinder head removed)

• Check screw-in depth (A)  of the upper stud bolts (1)  .
  TECHNICAL DATA SPECIFICATION
  
  

  Screw-in depth of upper stud bolts on cylinder head
  	Dimension A	30 mm

  Courtesy of BMW OF NORTH AMERICA, INC.

  NOTE: RISK OF DAMAGE 
  Damage to the surface  .
  The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage  .

  • Do not use any metal-cutting tools.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Clean the sealing surfaces (1)  on the cylinder head using special tool 0 495 102 (11 4 470) .
• Replace gaskets.

  Parts:  Seals

  Courtesy of BMW OF NORTH AMERICA, INC.

• Position the seals (1)  on the cylinder head.
• Make sure the seals (1)  are positioned correctly.

  Courtesy of BMW OF NORTH AMERICA, INC.

  NOTE: RISK OF DAMAGE 
  Damage to the surface  .
  The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage  .

  • Do not use any metal-cutting tools.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Clean the sealing surfaces on the exhaust turbocharger (1) using special tool  0 495 102 (11 4 470)  .
• Insert and install the exhaust turbocharger (1)  .
• Protect the exhaust turbocharger (1)  from falling.

  Courtesy of BMW OF NORTH AMERICA, INC.

• When replacing nut (1)  , use the changed version of nut (2)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Replace nuts (1)  .

  Parts:  Nuts

• Insert the nuts (1)  .
  NOTE: Insert nuts in 360 degree increments.
• Tighten nuts (1)  .
  TIGHTENING TORQUES SPECIFICATION
  
  

  Exhaust turbocharger to cylinder head
  M7 Replace nuts.	1. Snug torque	5 Nm
  	2. Tightening torque	18 Nm
  	3. Tightening torque	18 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Feed in and install the heat shield (2)  .
• Replace screws (1)  .

  Parts:  Screws

• Tighten down screws (1)  .

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE CYLINDER HEAD .
• Refer to ADJUSTING THE CAMSHAFTS WITH THE SPECIAL TOOL .
• Refer to INSTALLING THE INTAKE ADJUSTER .
• Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
• Refer to INSTALLING EXHAUST CAMSHAFT ADJUSTER .
• Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
• Refer to PRE-TENSIONING THE TIMING CHAIN WITH THE SPECIAL TOOL .
• Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
• Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
• Refer to DISASSEMBLING ALL SPECIAL TOOLS .
• Refer to INSTALLING CHAIN TENSIONER .
• Refer to CHECKING THE TIMINGS OF THE CAMSHAFT .
• Refer to INSTALLING THE COOLANT LINE BETWEEN THE CYLINDER HEAD AND THE COOLANT PUMP .
• Refer to INSTALLING THE INTAKE PLENUM .
• Refer to INSTALLING THE TANK VENT VALVE .
• Refer to INSTALLING THE LOW-TEMPERATURE COOLANT EXPANSION TANK .
• Refer to INSTALLING CYLINDER HEAD COVER .
• Refer to INSTALLING BOTH ACTUATORS .
• 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 HIGH PRESSURE PUMP .
• 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 THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING CATALYTIC CONVERTER .
• Refer to INSTALLING EXHAUST SYSTEM .
• Refer to INSTALLING THE TENSION STRUT AT THE RIGHT REAR AND IF NECESSARY, ON THE LEFT SIDE .
• Refer to INSTALLING THE LEFT AND RIGHT REAR DIFFUSER .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
• Refer to INSTALLING LAMBDA OXYGEN SENSOR .
• Refer to INSTALLING THE HOLDER OF THE POSITIVE BATTERY CABLE .
• Refer to INSTALLING CHARGE AIR LINE .
• Refer to INSTALLING THE CLEAN AIR PIPE AND THE RESONATOR .
• Refer to INSTALLING THE INTAKE FILTER HOUSING (TENSION STRUT REMOVED ON SHOCK TOWER) .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING UPPER CROSS CONNECTION .
• Refer to INSTALLING TENSION STRUT ON LEFT AND RIGHT SHOCK TOWER .
• Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT .
• Refer to FILLING THE COOLING SYSTEM WITH THE VACUUM FILLING UNIT .
• Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
• Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to CHECKING COOLING SYSTEM FOR WATERTIGHTNESS .
• Refer to CHECKING LOW-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .
• Refer to CHECKING ENGINE OIL LEVEL .
• Refer to INSTALLING THE CENTER STRUT BRACE MOUNT .
• Refer to INSTALLING THE LOWER SECTION OF THE FRONT WALL .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to INSTALLING THE CENTER COWL UPPER PART .
• Refer to INSTALLING THE RIGHT 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 THE FRONT HOOD SEAL AT THE REAR .
• Refer to INSTALLING THE STRUT BRACE ON THE LEFT AND RIGHT .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
• Refer to INSTALLING THE FRONT BOTTOM RIGHT WHEEL ARCH COVER .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING THE STIFFENING PLATE .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .