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 MANUALSBMW2018330I GT XDRIVEREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE - REPAIR (F31 & F34) (4 OF 5)
2018 BMW 330i GT xDrive
Engine - Repair (F31 & F34) (4 Of 5)
2018 BMW 330i GT xDriveSECTION Engine - Repair (F31 & F34) (4 Of 5)
- 11 31 Camshaft
- Check the timing of the camshaft(s) (340i GT xDrive)
- Removing and installing/replacing intake camshaft (340i GT xDrive)
- Removing and installing/replacing exhaust camshaft (340i GT xDrive)
- Replacing both timing chains (340i GT xDrive)
- 11 31 090 Remove and install/replace chain tensioner piston (340i GT xDrive)
- 11 31 505 Adjusting the timing of the camshaft(s) (340i GT xDrive)
- 11 33 Rocker Arms
- 11 33 050 Removing and installing/replacing all rocker arms (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Replacing all hydraulic valve clearance compensation (HVA) elements (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Removing and installing/replacing all hydraulic valve clearance compensating elements (N47D20 K/U/O/T 1) (328d xDrive Wagon)
- Removing and installing/replacing all rocker arms (N47D20 K/U/O/T 1) (328d xDrive Wagon)
- Removing and installing/replacing all rocker arms (340i GT xDrive)
- Replacing all hydraulic valve clearance compensating elements (340i GT xDrive)
- 11 34 Valves
- 11 34 055 Replacing all valve springs (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Removing and installing or replacing all valves (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Replacing all valve stem seals (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Replace all valve stem seals (N47D20 K/U/O/T 1) (328d xDrive Wagon)
- Replace all valve springs (N47D20 K/U/O/T 1) (328d xDrive Wagon)
- Removing and installing or replacing all valves (cylinder head removed) (340i GT xDrive)
- Replacing all valve stem seals (cylinder head removed) (340i GT xDrive)
- Replacing all valve springs (cylinder head removed) (340i GT xDrive)
- 11 36 Variable Camshaft Timing Control (VANOS)
- 11 36 042 Removing and installing/replacing intake adjuster (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Removing and installing/replacing exhaust camshaft adjuster (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Removing and installing or replacing intake and exhaust camshaft adjusters (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Removing and installing/replacing VANOS central valve on the intake side (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Removing and installing/replacing exhaust side VANOS central valve (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Removing and installing/replacing both VANOS central valves (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Removing and installing/replacing both actuators (B48B) (330i xDrive Wagon, 330i GT xDrive)
- Removing and installing/replacing intake adjuster (340i GT xDrive)
- Remove and install/replace the exhaust camshaft adjuster (340i GT xDrive)
- Removing and installing/replacing the intake and exhaust camshaft adjusters (340i GT xDrive)
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.