Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2023330E XDRIVEREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE - ROCKER ARMS/VALVES/SPRINGS/VALVE CONTROLS - REPAIR (G20)11 37 VALVETRONIC11 37 005 REMOVING AND INSTALLING/REPLACING ECCENTRIC SHAFT (M340I XDRIVE)INSTALL ECCENTRIC SHAFT
2023 BMW 330e xDrive
Install eccentric shaft
2023 BMW 330e xDriveSECTION Install eccentric shaft
- Check all needle bearings (arrows) of the eccentric shaft for ease of movement.
- If the needle bearings are stiff, replace the eccentric shaft.
- Clean all bearing positions in cylinder head and coat with motor oil.
- 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.
- Check all guide bushings (1)
for damage and replace faulty guide bushings (1)
.
- Slide the needle bearing (1)
up to the stop in the arrow direction before installing the eccentric shaft.
- Oil all needle bearings of the eccentric shaft (1) .
- Insert eccentric shaft (1) into the cylinder head.
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 .
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.
- 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 SPECIFICATION
| Eccentric shaft to bearing bracket/cylinder head | ||
|---|---|---|
| M6 | Tightening torque | 10 Nm |
- Install it with a bearing cap provided with a stop (1) .
- Tighten down screws (1) .
TIGHTENING TORQUE SPECIFICATION
| Eccentric shaft to bearing bracket/cylinder head | ||
|---|---|---|
| M6 | Tightening torque | 10 Nm |
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 DISASSEMBLING ALL SPECIAL TOOLS .
- Refer to INSTALLING CHAIN TENSIONER .
- Refer to CHECKING THE TIMINGS OF THE CAMSHAFT .
- Refer to IF INSTALLED: SECURING THE ENGINE OIL COOLER .
- 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 CHECK 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 TANK VENT VALVE .
- Refer to INSTALLING CONTROL UNIT BRACKET .
- Refer to INSTALLING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
- Refer to INSTALLING THE DME CONTROL UNIT .
- Refer to INSTALLING CYLINDER HEAD COVER .
- Refer to INSTALLING BOTH ACTUATORS .
- Refer to INSTALLING HIGH PRESSURE PUMP .
- 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 FUEL DELIVERY LINE .
- Refer to INSTALLING ALL SPARK PLUGS .
- Refer to INSTALLING ALL IGNITION COILS .
- Refer to INSTALLING INTAKE FILTER HOUSING .
- Refer to INSTALLING FAN COWL .
- Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
- Refer to INSTALLING UPPER CROSS CONNECTION .
- Refer to IF INSTALLED: INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT (PARTIALLY REMOVED) .
- Refer to INSTALLING THE COVER FOR CENTER ENGINE COMPARTMENT .
- Refer to INSTALLING THE FRONT HOOD SEAL .
- Refer to CONNECTING NEGATIVE BATTERY CABLE OF THE SYSTEM BATTERY .
- Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .
- Refer to INSTALLING CENTER BULKHEAD LOWER PART .
- Refer to INSTALLING ACOUSTIC COVER AT REAR .
- Refer to INSTALLING THE CENTER COWL UPPER PART .
- Refer to INSTALLING WINDSHIELD PANEL COVER .
- Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
- Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
- Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
- Refer to INSTALLING ACOUSTIC COVER .
- Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
- Refer to INSTALLING THE STIFFENING PLATE .
- Refer to INSTALLING FRONT UNDERBODY PROTECTION .
- Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
- Refer to TAKING HOOD OUT OF THE SERVICE POSITION .
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.