Replacing the main bearing shells and the guide bearing shells

• Remove the main bearing shells with  lubricating groove (1)  to (3)  and (5)  to (7)  from the crankcase.
• Remove the guide bearing shell with  lubricating groove (4)  from the crankcase.

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• Remove the main bearing shells (1)  to (3)  and (5)  to (7)  from the crankshaft bearing caps.
• Remove the guide bearing shell (4)  from the crankshaft bearing cap.

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• Make sure that the correct classification (arrows) is installed.
• Replace main bearing shells (1) with  lubricating groove.

  Parts:  Main bearing shells with lubricating groove

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• Make sure that the correct classification (arrows) is installed.
• Replace main bearing shells (1) without  lubricating groove.

  Parts:  Main bearing shells without lubricating groove

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• Make sure that the correct classification (arrows) is installed.
• Replace the guide bearing shell with  lubricating groove (1)  and the guide bearing shell (2) without  lubricating groove.

  Parts:  Guide bearing shells

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• Make sure the crankshaft main bearing shell (1)  is correctly installed with the guide lug in the highlighted  area.

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• Make sure the crankshaft guide shell (1)  is correctly installed with the guide lug in the highlighted  area.

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• Make sure the crankshaft main bearing shell (1)  is correctly installed with the guide lug in the highlighted  area.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Make sure the crankshaft guide shell (1)  is correctly installed with the guide lug in the highlighted  area.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Install the main bearing shells (1)  to (3)  and (5)  to (7)  in the crankshaft bearing cap.
• Install the guide bearing shell (4)  in the crankshaft bearing cap.
• Oil all main bearing shells and guide bearing shells (1)  to (7)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Install main bearing shells with lubricating groove (1)  to (3)  and (5)  to (7)  in the crankcase.
• Install the guide bearing shell with lubricating groove (4)  in the crankcase.
• Oil all main bearing shells and guide bearing shells with lubricating groove (1)  to (7)  .

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE CRANKSHAFT .
• Refer to CHECKING THE CRANKSHAFT SIDE CLEARANCE .
• Refer to CHECKING THE COEFFICIENT OF FRICTION FOR THE CRANKSHAFT .
• Refer to MEASURING ALL PISTONS .
• Refer to MEASURING A CYLINDER .
• Refer to INSTALLING ALL THE PISTONS WITH THE CONNECTING ROD .
• Refer to INSTALLING THE OIL DEFLECTOR .
• Refer to INSTALLING OIL PUMP .
• Refer to INSTALLING TIMING CHAIN .
• Refer to INSTALLING THE REAR TIMING CASE COVER .
• Refer to REFITTING OIL PAN .
• Refer to INSTALLING BEARING BRACKET .
• Refer to INSTALLING FRONT AXLE DIFFERENTIAL .
• Refer to INSTALLING THE FLYWHEEL .
• Refer to INSTALLING THE VIBRATION DAMPER .
• Refer to BLOCKING THE CRANKSHAFT IN THE TDC FIRING POSITION OF CYLINDER 1 .
• Refer to SEALING THE OIL DUCT .
• Refer to CLEANING SEALING SURFACES .
• Refer to INSTALLING THE CYLINDER HEAD GASKET .
• 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 OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• 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 THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
• Refer to INSTALLING HIGH PRESSURE PUMP .
• Refer to INSTALLING ALL SPARK PLUGS .
• Refer to INSTALLING ALL IGNITION COILS .
• Refer to INSTALLING CATALYTIC CONVERTER .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
• Refer to INSTALLING LAMBDA OXYGEN SENSOR .
• Refer to INSTALLING THE INTAKE PLENUM .
• Refer to INSTALLING THE TANK VENT VALVE .
• Refer to INSTALLING CHARGE AIR LINE .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to FILLING ENGINE OIL .
• Refer to CHECK/ADD FRONT AXLE TRANSMISSION OIL .
• Refer to REMOVING THE ENGINE FROM THE ASSEMBLY JIG .
• Refer to MOUNTING THE ENGINE ON THE FRONT AXLE .
• Refer to INSTALLING THE COMPLETE FRONT AXLE WITH THE ENGINE AND TRANSMISSION .
• Refer to ACTIVATING THE 48 V ELECTRICAL SYSTEM .