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.
2006 BMW X3 StandardFACTORY OEM SERVICE PROCEDURE
Engine - Repair (M54)
- Engine General
- 00 00 250 BMW engine oil service (M54/56)
- 00 00 250 BMW engine oil service incl. supplementary service (M54 / M56)
- 11 00 039 Checking compression of all cylinders (M60 / M62 / M73 / S62 / M54)
- 11 00 045 Checking absolute compression of all cylinders
- 11 00 050 Removing and installing engine (M54)
- Securing engine with special tool in installation position (M54)
- Cylinder Head And Cylinder Head Cover
- 11 12 000 Removing and installing, sealing cylinder head cover (M52TU / M54 / M56)
- 11 12 100 Removing and installing/replacing cylinder head (M52TU / M54 / M56)
- 11 12 101 Replacing cylinder head gasket (M52 / S52 / M52TU / M54 / M56)
- 11 12 503 Disassembling and assembling cylinder head (M52 / S52 / M52TU / M54 / M56)
- 11 12 527 Remachining a valve seat (M52 / S52 / M52TU / M54 / M56)
- 11 12 595 Checking a valve guide for wear (M52 / S52 / M52TU / M54 / M56)
- 11 12 600 Reaming a valve guide (M52 / S52 / M52TU / M54 / M56)
- 11 12 719 Resurfacing cylinder head sealing surface (M52 / M52TU / M54 / M56)
- 11 12 729 Checking cylinder head for watertightness (M52TU / M54 / M56)
- Oil Sump
- Housing Cover
- Crank Shaft With Bearing
- Flywheel
- Vibration Damper
- Connecting Rod With Bearings
- Piston With Rings And Pin
- V-Ribbed Belt
- Camshaft
- Valves With Springs
- Variable Camshaft Timing
- Oil Supply
- Oil Pump With Filter
- Oil Filter And Lines
- Oil Filling, Dipstick
- Water Pump With Drive
- Thermostat And Connections
- Intake Manifold
- Exhaust Manifold
- Emission Control, Oxygen Sensors
- 11 78 510 Replacing oxygen control sensor (M52TU / M54 / M56)
- 11 78 511 Replacing oxygen control sensor (cylinders 1-3)
- 11 78 512 Replacing oxygen control sensor (cylinders 4-6)
- 11 78 611 Replacing oxygen monitor sensor (cylinders 1-3)
- 11 78 612 Replacing oxygen monitor sensor (cylinders 4-6)
- 11 78 613 Replacing both oxygen monitor sensors (M52TU / M54 / M56)
- Positive Crankcase Ventilation/Oil Separator
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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