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 TO THE HEAT SHIELD AT THE FRONT LEFT .
• Refer to FASTENING THE SCREW ON THE HEAT SHIELD ON THE FRONT RIGHT .
• Refer to REPLACING THE SEAL FOR THE EXHAUST GAS TURBOCHARGER .
• Refer to REPLACING THE OIL RETURN LINE .
• Refer to INSTALLING EXHAUST TURBOCHARGER FOR CYLINDER 1 TO 4 .
• Refer to REPLACING THE OIL RETURN LINE .
• Refer to INSERT THE EXHAUST TURBOCHARGER FOR THE CYLINDERS 5 TO 8 .
• Refer to FASTENING THE OIL RETURN LINE ON THE OIL RETURN LID OF CYLINDERS 1 TO 4 .
• Refer to SECURING THE OIL RETURN LINE AT THE OIL RETURN COVER OF THE CYLINDERS 5 TO 8 .
• Refer to SECURING THE BANJO BOLT FOR THE COOLANT FEED LINE ON THE EXHAUST TURBOCHARGER FOR CYLINDERS 5 TO 8 .
• Refer to SECURING OIL FEED LINE ON EXHAUST TURBOCHARGER OF CYLINDERS 5 TO 8 .
• 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 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 .
• Refer to INSTALLING THE ALTERNATOR .
• Refer to INSTALLING THE CATALYTIC CONVERTER FOR CYLINDERS 1 TO 4 .
• Refer to INSTALLING THE CATALYTIC CONVERTER FOR CYLINDERS 5 TO 8 .
• Refer to INSTALLING LEFT HEAT SHIELD .
• Refer to INSTALLING RIGHT HEAT SHIELD .
• Refer to INSTALLING UPPER HEAT SHIELD .
• Refer to INSTALLING THE LEFT OXYGEN SENSOR MONITOR .
• Refer to INSTALLING THE LEFT LAMBDA OXYGEN SENSOR .
• Refer to INSTALLING THE RIGHT OXYGEN SENSOR MONITOR .
• Refer to INSTALLING THE RIGHT LAMBDA OXYGEN SENSOR .
• Refer to INSTALLING EXHAUST SYSTEM .
• Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
• Refer to IF INSTALLED: INSTALL THE TORSION STRUT ON THE RIGHT, AND ON THE LEFT WHERE REQUIRED .
• Refer to INSTALLING LEFT CLEAN AIR PIPE .
• Refer to INSTALLING RIGHT CLEAN AIR PIPE .
• Refer to INSTALLING THE LEFT-HAND CHARGE AIR COOLER .
• Refer to SECURING OIL SUPPLY LINE ON EXHAUST TURBOCHARGER OF CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE RIGHT-HAND CHARGE AIR COOLER .
• Refer to FIX CHARGE AIR HOSE TO THE EXHAUST GAS TURBOCHARGER ON CYLINDERS 1 TO 4 .
• Refer to INSTALLING ENGINE VENTILATION LINE .
• Refer to INSTALLING THE RIGHT UNFILTERED-AIR DUCT .
• Refer to INSTALLING THE LEFT UNFILTERED-AIR DUCT .
• Refer to INSTALLING INTAKE FILTER HOUSING .
• Refer to INSTALLING FAN COWL .
• Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to INSTALLING ACOUSTIC COVER .