Installing oil feed line on exhaust turbocharger cylinders 1 to 4

• Replace O-ring.

  Parts  : O-ring

• Coat the engine oil line (2) with motor oil at the O-ring and position it in the crankcase.
• Tighten down screw (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE FRONT HEAT PROTECTION .
• Refer to FASTENING THE SCREW ON THE HEAT SHIELD ON THE FRONT RIGHT .
• Refer to FASTENING THE SCREW TO THE HEAT SHIELD AT THE FRONT LEFT .
• Refer to PUTTING ON THE DRIVE BELT .
• Refer to REMOVING SPECIAL TOOL ON BELT TENSIONER .
• Refer to SECURING THE COOLANT EXPANSION TANK IN THE HOLDERS .
• Refer to INSTALLING THE ALTERNATOR .
• Refer to REPLACING THE SEAL FOR THE EXHAUST GAS TURBOCHARGER .
• Refer to CONNECTING THE CONNECTOR TO THE WASTEGATE VALVE CONTROLLER OF CYLINDERS 1 TO 4 .
• Refer to REPLACING THE OIL RETURN LINE .
• Refer to INSTALLING EXHAUST TURBOCHARGER FOR CYLINDER 1 TO 4 .
• Refer to FASTENING THE OIL RETURN LINE ON THE OIL RETURN LID OF CYLINDERS 1 TO 4 .
• Refer to FASTENING THE BANJO BOLT FOR THE COOLANT FEED LINE TO THE EXHAUST TURBOCHARGER OF THE CYLINDERS 1 TO 4 .
• Refer to FASTENING THE BANJO BOLT FOR THE COOLANT RETURN LINE ON THE EXHAUST TURBOCHARGER OF THE CYLINDERS 1 TO 4 .
• Refer to ATTACHING THE OIL SUPPLY LINE ON THE EXHAUST TURBOCHARGER OF CYLINDERS 1 TO 4 .
• Tighten down screw (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

  TIGHTENING TORQUES SPECIFICATION
  
  

  Oil feed line to exhaust turbocharger
  M6x16	Tightening torque	10 Nm

• Refer to FASTENING THE COOLANT FEED LINE AT THE EXHAUST TURBOCHARGER FOR THE CYLINDERS 1 TO 4 .
• Refer to INSTALLING THE CATALYTIC CONVERTER FOR CYLINDERS 1 TO 4 .
• Refer to ALIGNING THE VACUUM PUMP FOR THE CAMSHAFT .
• Refer to REPLACING THE O-RING OF THE VACUUM PUMP .
• Refer to INSTALLING THE VACUUM PUMP .
• Refer to BENDING THE HEAT SHIELD TO THE FRONT .
• Refer to INSTALLING RIGHT HEAT SHIELD .
• Refer to INSTALLING LEFT HEAT SHIELD .
• Refer to TIGHTENING SCREW BETWEEN THE LEFT AND RIGHT HEAT SHIELD .
• Refer to INSTALLING HEAT SHIELD, TOP .
• Refer to INSTALLING ENGINE VENTILATION LINE .
• Refer to INSTALLING THE LAMBDA OXYGEN SENSOR AND THE MONITORING OXYGEN SENSOR FOR CYLINDERS 1 TO 4 .
• Refer to INSTALLING THE LAMBDA OXYGEN SENSOR AND THE MONITORING OXYGEN SENSOR FOR CYLINDERS 5 TO 8 .
• 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 THE FRONT HOOD SEAL AT THE REAR .
• Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
• Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
• Refer to INSTALLING INTAKE FILTER HOUSING .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING FRONT CROSS CONNECTION .
• Refer to INSTALLING THE COVER ON THE LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
• Refer to INSTALLING FRONT-END STRUT ON LEFT AND RIGHT .
• Refer to INSTALLING EXHAUST SYSTEM .
• Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
• 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 VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
• 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 CONNECTING NEGATIVE BATTERY CABLE .