Installing timing chain

WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.

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) .

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUE SPECIFICATIONS

Bearing journal to crankcase
Bearing journal Replace bearing journal.	Tightening torque	22 Nm

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 OIL PAN .
Refer to INSTALLING BEARING BRACKET .
Refer to INSTALLING FRONT AXLE DIFFERENTIAL .
Refer to INSTALLING THE FLYWHEEL .
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 INSTALLING THE OIL RETURN LINE IN THE CYLINDER HEAD .
Refer to ADJUSTING THE CAMSHAFTS WITH THE SPECIAL TOOL .
Refer to INSTALLING THE INTAKE ADJUSTER .
Refer to INSTALLING EXHAUST CAMSHAFT 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 REMOVING ALL SPECIAL TOOLS .
Refer to INSTALLING CHAIN TENSIONER .
Refer to CHECKING THE TIMINGS OF THE CAMSHAFT .
Refer to INSTALLING THE INTAKE PLENUM .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING BOTH ACTUATORS .
Refer to INSTALLING THE TWO HIGH PRESSURE PUMPS .
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 REMOVING THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL FOR CYLINDERS 1 TO 6 .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to INSTALLING ALL SPARK PLUGS .
Refer to INSTALLING ALL IGNITION COILS .
Refer to INSTALLING THE HOLDER OF THE POSITIVE BATTERY CABLE .
Refer to INSTALLING THE COOLANT RETURN LINE BETWEEN THE EXHAUST TURBOCHARGER AND THERMOSTAT .
Refer to INSTALLING THE COOLANT FEED LINE PART 2 BETWEEN THE AUXILIARY COOLANT PUMP AND EXHAUST TURBOCHARGER .
Refer to INSTALLING THE OIL FEED LINE FOR CYLINDERS 1 TO 3 .
Refer to FASTENING THE AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING THE EXHAUST TURBOCHARGER HEAT SHIELD FOR CYLINDERS 1 TO 3 .
Refer to INSTALLING THE CONNECTING BRACKET ON THE EXHAUST TURBOCHARGER FOR CYLINDERS 4 TO 6 .
Refer to INSTALLING THE OIL RETURN LINE FOR CYLINDERS 1 TO 3 .
Refer to INSTALLING THE OIL RETURN LINE FOR CYLINDERS 4 TO 6 .
Refer to INSTALLING THE OIL FEED LINE FOR CYLINDERS 4 TO 6 .
Refer to INSTALLING THE CLEAN AIR PIPE FOR CYLINDERS 4-6 .
Refer to INSTALLING THE IDLER PULLEY .
Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR .
Refer to TOPPING UP THE MOTOR OIL .
Refer to INSTALLING 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 WITH THE ENGINE AND TRANSMISSION .