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 MANUALSBMW2011323I AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE - REPAIR - N52 - E90
2011 BMW 323i Automatic
Engine - Repair - N52 - E90
2011 BMW 323i AutomaticSECTION Engine - Repair - N52 - E90
- Engine, General
- 00 Danger of poisoning if oil is ingested/absorbed through the skin
- Engine identification
- 11 00... Engine oil service (N52K)
- Mounting engine on assembly stand (N52K)
- 11 00... Overview of consumables (Electronic Parts Catalogue)
- 11 00 050 Removing and installing engine (N52K)
- 11 00 Removing and installing/replacing acoustic cover (N52/N52K)
- 11 00 Removing and installing/replacing ignition coil cover (N52K)
- 00 Risk of injury if oil comes into contact with eyes and skin
- 00 Safety information for working on vehicles with automatic engine start-stop function (MSA)
- 00 Safety instructions for handling oil
- 11 00 670 Securing engine in installation position (N52K, N53)
- Cylinder Head And Cylinder Head Cover
- Oil Sump
- Housing Cover
- Crankshaft With Bearing
- Flywheel
- Vibration Damper
- Connecting Rod With Bearing
- Piston With Rings And Pin
- V-Ribbed Belt W.Tens./Deflect.ELEMT
- Camshaft
- 11 31 505 Adjusting timing of camshaft(s) (N52K)
- 11 31 005 Checking timing of camshaft(s) (N52K)
- 11 31 090 Installing and removing/replacing chain tensioner piston (N52K)
- 11 31 028 Removing and installing/replacing exhaust camshaft (N52K)
- 11 31 025 Removing and installing/replacing intake camshaft (N52K)
- 11 31 051 Replacing timing chain (N52K)
- Rocker Arm With Bearing Mount
- Valves With Springs
- Variable Camshaft Timing
- Variable Valve Gear
- Oil Supply
- Oil Pump With Filter And Drive
- Oil Filter And Lines
- Water Pump With Drive
- Thermostat And Connections
- Intake Manifold
- Exhaust Manifold
- Vacuum Pump
- Emission Control, Oxygen Sensor
RENDER: 1.0x
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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.