Installing timing chain

• Insert and install the timing chain (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Insert and install the tensioning rail (1) on the bearing journal (2).
• Insert and install the guide rail (3).
• Replace bearing journal (4).

  Parts: Bearing journal

• Tighten the bearing journals (4).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Bearing journal to crankcase
  Bearing journal Replace bearing journal.	Tightening torque	20 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE REAR TIMING CASE COVER .
• Refer to REFITTING ENGINE OIL PAN .
• Refer to INSTALLING THE FLYWHEEL .
• Refer to INSTALLING STARTER MOTOR .
• Refer to INSTALLING THE ACOUSTIC COVER FOR THE OIL SUMP .
• Refer to BLOCKING THE CRANKSHAFT IN HE TDC FIRING POSITION OF CYLINDER 1 .
• Refer to SEALING THE OIL DUCT .
• Refer to CLEANING SEALING SURFACES .
• Refer to REPLACING CYLINDER HEAD GASKET .
• Refer to INSTALLING THE CYLINDER HEAD .
• Refer to ADJUSTING THE CAMSHAFTS WITH THE SPECIAL TOOL .
• Refer to INSTALLING EXHAUST CAMSHAFT ADJUSTER .
• Refer to INSTALLING THE INTAKE ADJUSTER .
• Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE INTAKE 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 INSTALLING CHAIN TENSIONER .
• Refer to CHECKING THE TIMINGS OF THE CAMSHAFT .
• Refer to INSTALLING THE HOLDER FOR THE THERMOSTAT ON THE TRANSMISSION OIL LINES .
• Refer to INSTALLING THE THERMOSTAT ON THE TRANSMISSION OIL LINES .
• Refer to DISASSEMBLING ALL SPECIAL TOOLS .
• Refer to INSTALLING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING THE COOLANT RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING COOLANT FEED LINE FOR EXHAUST TURBOCHARGER .
• Refer to INSTALLING CYLINDER HEAD COVER .
• Refer to INSTALLING BOTH ACTUATORS .
• Refer to INSTALLING THE HEAT SHIELD ON THE CYLINDER HEAD .
• Refer to PREPARING THE INJECTORS FOR INSTALLATION .
• Refer to INSTALLING THE RAIL WITH INJECTORS .
• Refer to INSTALLING HIGH PRESSURE PUMP .
• Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
• Refer to INSTALLING ALL SPARK PLUGS .
• Refer to TOPPING UP THE MOTOR OIL .
• REMOVING THE ENGINE FROM ASSEMBLY JIG .
• Refer to INSTALLING ENGINE .