Installing timing chain

NOTE: RISK OF DAMAGE
Contaminant or foreign body.
Contamination can result in malfunctions, loss of function or leaks.

Adhere to the utmost cleanliness.
Protect components from contamination e.g. by covering.
Close off line connections with seal plugs.

Thread in the timing chain (1) on the crankshaft (2) and install.

Courtesy of BMW OF NORTH AMERICA, INC.
Replace bearing journal (1).
Parts: Bearing journal
Insert the guide rail (2) and position.
NOTE: TECHNICAL INFORMATION
Clean screw thread.
Tighten the bearing journals (1).

TIGHTENING TORQUES SPECIFICATION

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

Courtesy of BMW OF NORTH AMERICA, INC.

Insert and install the tensioning rail (1) on the bearing journal (2).

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 SEALING THE OIL DUCT .
Refer to CLEANING SEALING SURFACES .
Refer to INSTALLING THE CYLINDER HEAD GASKET .
Refer to BLOCKING THE CRANKSHAFT IN THE TDC FIRING POSITION OF CYLINDER 1 .
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 RAIL WITH INJECTORS OF 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 FUEL DELIVERY LINE .
Refer to REPLACING SPARK PLUGS (540i 2017-2020) , or INSTALLING ALL SPARK PLUGS (540i 2021-2022) .
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 ACOUSTIC COVER AT REAR .
Refer to FILLING ENGINE OIL .
Refer to OPENING THE OIL FILLER CAP .
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 INCLUDING ENGINE AND TRANSMISSION .