BENTLEY PUBLISHERS BX30

This Bentley Publishers service manual contains in-depth maintenance, service and repair information for the BMW X3 from 2004 to 2010. The aim throughout has been simplicity and clarity, with practical explanations, step-by-step procedures and accurate specifications. Whether you're a professional or a do-it-yourself BMW owner, this manual helps you understand, care for and repair your BMW.
Engines/Transmissions Covered

• M54 engine: 2.5i, 3.0i (2004-2006)
• N52 engine: 3.0si, xDrive 30i (2007-2010)
• ZF GS6-37BZ Manual Transmission (6-Speed)
• GM A5S390R Automatic Transmission (5-Speed)
• GM GA6L45R Automatic Transmission (6-Speed)

• Maintenance procedures from changing the xDrive fluids to replacing the cabin microfilter. This manual tells you what to do and how and when to do it.
• Manual and automatic transmission fluid service, front and rear differential service, including xDrive transfer case troubleshooting.
• Step-by-step variable camshaft timing (VANOS) service.
• Cylinder head cover gasket and crankshaft seal replacement.
• Cooling system, thermostat and radiator service, including system bleeding using the electric coolant pump on N52 engines.
• Fuel injection and ignition system diagrams and explanations.
• Information on advanced technical features such as VANOS, Valvetronic, xDrive, and DSC (dynamic stability control).
• Suspension repair procedures.
• Brakes, steering and ABS troubleshooting and repair.
• Heating and air-conditioning repair, including A/C component replacement.
• Body and hood repairs and adjustments.
• Electrical system service, with an easy-to-use illustrated component locator section.
• Comprehensive wiring schematics, including fuses and grounds.
• BMW OBD II diagnostic trouble codes, SAE-defined OBD II P-codes, as well as basic scan tool operation.
• BMW factory tolerances, wear limits, adjustments and tightening torques.

CAPA Certified or NSF Certified parts bear the seal of independent, third party organizations guaranteeing fitment and quality equal to original equipment. These parts may be required if your insurance company is paying for the repair.