Install eccentric shaft

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.

Check all needle bearings (arrows) of the eccentric shaft for ease of movement.
If the needle bearings are stiff, replace the eccentric shaft.

Courtesy of BMW OF NORTH AMERICA, INC.
Clean all bearing positions in cylinder head and coat with motor oil.

Courtesy of BMW OF NORTH AMERICA, INC.
Clean bearing positions (1) of the bearing brackets and coat with motor oil.
Clean the bearing position (2) of the bearing cap and coat with motor oil.

Courtesy of BMW OF NORTH AMERICA, INC.
Check all guide bushings (1) for damage and replace faulty guide bushings (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
Slide the needle bearing (1) up to the stop in the arrow direction before installing the eccentric shaft.

Courtesy of BMW OF NORTH AMERICA, INC.
Oil all needle bearings of the eccentric shaft (1) .
Insert eccentric shaft (1) into the cylinder head.

Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
RISK OF DAMAGE
Engine damage caused by incorrectly installed bearing shells and bearing brackets .
If the bearing shells and bearing brackets are installed incorrectly, then engine damage can occur .
- Always install all bearing shells and bearing brackets in the same position from which they were removed.
Courtesy of BMW OF NORTH AMERICA, INC.
Install the bearing bracket.
All bearing brackets must be installed again in the same position from where they were removed.

Tighten down screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Eccentric shaft to bearing bracket/cylinder head
M6X35 8.8	Tightening Torque	8.6 Nm

Install it with a bearing cap provided with a stop (1) .
Tighten down screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Eccentric shaft to bearing bracket/cylinder head
M6X35 8.8	Tightening Torque	8.6 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING THE SERVOMOTOR FOR THE ECCENTRIC SHAFT .
Refer to INSTALLING INTAKE CAMSHAFT .
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 RELEASING VANOS CENTRAL VALVE OF THE 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 REMOVING ALL SPECIAL TOOLS .
Refer to INSTALLING CHAIN TENSIONER .
Refer to CHECKING THE TIMINGS OF THE CAMSHAFT .
Refer to CHECKING THE INTERMEDIATE LEVER CLASSIFICATION .
Refer to INSTALLING ALL INTERMEDIATE LEVERS .
Refer to INSTALLING ALL GATES .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT .
Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT AT CYLINDER 3 AND 4 .
Refer to INSTALLING TORSION SPRINGS .
Refer to INSTALLING THE INTAKE PLENUM .
Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING THE CONTROL UNIT HOLDER .
Refer to PARTIALLY INSTALLING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
Refer to INSTALLING THE DME CONTROL UNIT .
Refer to INSTALLING THE COVER FOR THE DME CONTROL UNIT .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING BOTH ACTUATORS .
Refer to INSTALLING THE COOLANT RETURN LINE BETWEEN THE EXHAUST TURBOCHARGER AND THERMOSTAT .
Refer to FASTENING THE AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING THE COOLANT FEED LINE PART 2 BETWEEN THE AUXILIARY COOLANT PUMP AND EXHAUST TURBOCHARGER .
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 TWO HIGH PRESSURE PUMPS .
Refer to INSTALLING 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 CHARGE AIR LINE .
Refer to INSTALLING THE CHARGE AIR DUCT FOR CYLINDERS 4-6 .
Refer to INSTALLING THE CHARGE AIR DUCT FOR 1-3 CYLINDERS .
Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 4 TO 6 .
Refer to INSTALLING THE HOLDER OF THE POSITIVE BATTERY CABLE .
Refer to PARTIALLY INSTALLING THE COOLANT EXPANSION TANK OF THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING THE CLEAN AIR PIPE FOR CYLINDERS 4-6 .
Refer to INSTALLING THE RIGHT INTAKE FILTER HOUSING (FRONT-END STRUT REMOVED) .
Refer to INSTALLING THE INTAKE FILTER HOUSING ON THE LEFT (FRONT-END STRUT REMOVED) .
Refer to INSTALLING THE CLEAN AIR PIPE FOR CYLINDERS 1 TO 3 .
Refer to INSTALLING FAN COWL .
Refer to SECURING THE ENGINE OIL COOLER .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING UPPER CROSS CONNECTION .
Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE FRONT HOOD SEAL .
Refer to INSTALLING THE FRONT-END STRUT .
Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to CONNECTING ALL BATTERY GROUND LEADS .
Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to INSTALLING CENTER BULKHEAD LOWER PART .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
Refer to INSTALLING WINDSHIELD PANEL COVER .
Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING THE REAR HOOD SEAL .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE STRUT BRACE .
Refer to INSTALLING THE BOTTOM FRONT RIGHT SIDE COVER .
Refer to INSTALLING BOTTOM FRONT COVER FROM THE SIDE .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE FRONT SPOILER .
Refer to INSTALLING THE LEFT AND RIGHT FRONT UNDERSHIELD .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .