This workshop service repair manual covers the BMW 3 Series models 330i and 330xi produced between the years 2006 and 2010. These vehicles, built on the E90 (Sedan), E91 (Wagon/Touring) chassis codes, are powered by the 3.0L Inline-6 N52B30 engine, delivering 255 horsepower and 220 lb-ft of torque. Known for their balanced handling, refined powertrains, and premium interiors, these models represent BMW's commitment to sporty driving dynamics and sophisticated engineering, placing them as strong contenders in the premium compact executive segment.

This comprehensive manual provides detailed information for maintaining and repairing your BMW 3 Series. It covers all major systems, including the engine, transmission, drivetrain, chassis, and electrical components, offering step-by-step procedures for maintenance tasks, diagnostic troubleshooting, and component repair or rebuilding. With extensive coverage of engine management, suspension geometry, brake systems, and safety features, this manual is an essential resource for owners, mechanics, and technicians to ensure the optimal performance, reliability, and longevity of the vehicle.