Removing oil supply line on exhaust turbocharger of cylinders 1 to 4

Preliminary work 

• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
• Refer to REMOVING THE LEFT AND RIGHT FRONT-END STRUT .
• Refer to REMOVING THE COVER ON LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
• Refer to REMOVING FRONT CROSS CONNECTION .
• Refer to REMOVING THE REAR TOP CROSS CONNECTION .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING FAN COWL .
• Refer to DRAINING COOLANT .
• Refer to DRAINING THE COOLANT FOR THE CHARGE AIR COOLER .
• Refer to REMOVING RIGHT CHARGE AIR COOLER .
• Refer to REMOVING INTAKE SILENCER HOUSING .
• Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
• Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
• Refer to REMOVING LEFT AND RIGHT WIPER ARM .
• Refer to REMOVING THE COWL COVER .
• Refer to REMOVING TRAILING LINK AT SPRING BOLT .
• Refer to REMOVING THE SEAL FOR THE HOOD REAR .
• Refer to REMOVING THE COWL UPPER PART IN THE CENTER .
• Refer to REMOVING THE LAMBDA OXYGEN SENSOR AND THE MONITORING OXYGEN SENSOR FOR CYLINDERS 1 TO 4 .
• Refer to REMOVING THE LAMBDA OXYGEN SENSOR AND THE MONITORING OXYGEN SENSOR FOR CYLINDERS 5 TO 8 .
• Refer to REMOVING ENGINE VENTILATION LINE .
• Refer to REMOVING UPPER HEAT SHIELD .
• Refer to RELEASING SCREW BETWEEN THE LEFT AND RIGHT HEAT SHIELD .
• Refer to REMOVING RIGHT HEAT SHIELD .
• Refer to REMOVING THE LEFT HEAT SHIELD .
• Refer to BENDING THE HEAT SHIELD TO THE REAR .
• Refer to REMOVING RIGHT CLEAN AIR PIPE .
• Refer to REMOVING THE RIGHT UNFILTERED-AIR DUCT .
• Refer to REMOVING VACUUM PUMP .
• Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
• Refer to REMOVING EXHAUST SYSTEM .
• Refer to REMOVING THE CATALYTIC CONVERTER FOR CYLINDERS 1 TO 4 .
• Refer to RELEASING THE CHARGE AIR HOSE FROM THE EXHAUST TURBOCHARGER OF THE CYLINDERS 1 TO 4 .
• Refer to RELEASING THE OIL FEED LINE FROM THE EXHAUST TURBOCHARGER OF THE CYLINDERS 1 TO 4 .
• Unscrew the banjo bolt (1). Release the oil feed line (2) and set aside.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Refer to LOOSEN THE BANJO BOLT FOR THE COOLANT RETURN LINE AT THE EXHAUST TURBOCHARGER FOR CYLINDERS 1 TO 4 .
• Refer to REMOVING THE OIL RETURN LINE FROM THE OIL RETURN COVER OF CYLINDERS 1 TO 4 .
• Refer to DETACHING THE COOLANT FEED LINE ON THE EXHAUST TURBOCHARGER FOR CYLINDERS 1 TO 4 .
• Refer to CLOSE THE OIL HOLES ON THE EXHAUST TURBOCHARGER .
• Refer to RELEASING THE BANJO BOLT FOR THE COOLANT LINE FEED LINE AT THE EXHAUST TURBOCHARGER OF CYLINDERS 1 TO 4 .
• Refer to REMOVING THE EXHAUST TURBOCHARGER FOR THE CYLINDERS 1 TO 4 .
• Refer to DISCONNECTING THE PLUG CONNECTION ON THE WASTEGATE VALVE CONTROLLER FOR CYLINDERS 1 TO 4 .
• Refer to RELEASING THE COOLANT EXPANSION TANK FROM THE HOLDERS .
• Refer to BLOCKING THE BELT TENSIONER WITH THE SPECIAL TOOL .
• Refer to REMOVING DRIVE BELT .
• Refer to REMOVING THE ALTERNATOR .
• Refer to UNSCREW THE SCREW AT THE HEAT SHIELD AT THE FRONT RIGHT .
• Refer to RELEASING THE SCREW ON THE FRONT LEFT HEAT SHIELD .
• Refer to REMOVING THE FRONT HEAT PROTECTION .

• Loosen screw (1).
• Disconnect the engine oil line (2) from the crankcase.

Courtesy of BMW OF NORTH AMERICA, INC.