Installing the oil coolant heat exchanger

Courtesy of BMW OF NORTH AMERICA, INC.

• Clean and recut the threads in the engine block.
• Replace sealing ring (1).

  Parts  : Sealing ring

• Replace sealing ring (2).

  Parts  : Sealing ring

• Replace sealing ring (3).

  Parts  : Sealing ring

• Replace the bolts (arrows).

  Parts  : Screws

• Position the oil coolant heat exchanger (2) and tighter the screws (arrows).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Oil-coolant heat exchanger on crankcase
  M6x14 screw Replace screws	tightening torque	12 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Connect and lock the coolant tube (1).

  The coolant tube (1) must engage audibly.

• Tighten down screw (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Coolant line to cylinder head
  M6	tightening torque	8 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

  NOTE: TECHNICAL INFORMATION 
  For contamination of the cooling system (e.g. by motor oil), the cooling system must be rinsed with water until all contamination is removed.
  NOTE: To provide a better overview: Illustration of surrounding parts removed.
• Version B: 

  Connect the coolant return line (1) to the auxiliary coolant pump and lock It audibly.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Version B: 

  Position the coolant hose (2). 

  Ranew circlip (1). 

  Tighten clamp (1), 

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING LOWER HEAT SHIELD .
• Refer to INSTALLING BOTH EXHAUST MANIFOLDS .
• Refer to INSTALLING FRONT HEAT SHIELD .
• Refer to INSTALLING ALTERNATOR .
• Refer to INSTALLING BOTH EXHAUST TURBOCHARGERS .
• Refer to ATTACHING THE CHARGE AIR COOLER .
• Refer to INSTALLING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
• Refer to CONNECTING THE LEFT CHARGE AIR LINE TO THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING CLEAN AIR PIPE OF CYLINDER BANK 1 .
• Refer to CONNECTING THE RIGHT CHARGE AIR LINE TO THE EXHAUST TURBOCHARGER .
• Refer to CLOSING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to INSTALLING THE FRONT LEFT BOTTOM WHEEL ARCH COVER .
• Refer to INSTALLING THE FRONT BOTTOM RIGHT WHEEL ARCH COVER .
• Refer to INSTALLING DRIVE BELT .
• Refer to PARTIALLY FASTENING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING FRONT CROSS CONNECTION .
• Refer to INSTALLING THE RIGHT INTAKE FILTER HOUSING WITH THE RIGHT FRONT-END STRUT .
• Refer to INSTALLING LEFT INTAKE FILTER HOUSING WITH LEFT FRONT-END STRUT .
• Refer to INSTALLING THE COVER ON THE LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
• Refer to INSTALLING THE CATALYTIC CONVERTER FOR CYLINDERS 5 TO 8 .
• Refer to RELEASING THE HEAT SHIELD .
• Refer to INSTALLING THE CENTER COWL UPPER PART .
• Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
• Refer to INSTALLING WINDSHIELD PANEL COVER .
• Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
• Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
• Refer to INSTALLING RIGHT HEAT SHIELD .
• Refer to INSTALLING LEFT HEAT SHIELD .
• Refer to INSTALLING HEAT SHIELD, TOP .
• Refer to INSTALLING THE RIGHT OXYGEN SENSOR MONITOR .
• Refer to INSTALLING THE LEFT OXYGEN SENSOR MONITOR .
• Refer to PARTIALLY INSTALLING THE RIGHT LAMBDA OXYGEN SENSOR .
• Refer to PARTIALLY INSTALLING THE LEFT LAMBDA OXYGEN SENSOR .
• Refer to INSTALLING THE RETAINING BRIDGE .
• Refer to INSTALLING EXHAUST SYSTEM .
• Refer to INSTALLING CENTER REAR UNDERSHIELD .
• Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
• Refer to CONNECTING NEGATIVE BATTERY CABLE .
• Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to CHECKING ENGINE OIL LEVEL .