This manual covers the BMW 330i models produced between 2006 and 2010, encompassing the E90 Sedan, E91 Wagon, E92 Coupe, and E93 Convertible chassis codes. These vehicles are renowned for their exceptional driving dynamics, premium interiors, and the smooth, powerful performance of the N52B30 inline-six engine. BMW's legacy of engineering excellence is evident in the 3 Series' balanced chassis, responsive steering, and driver-focused cockpit, solidifying its reputation as a leader in the compact executive segment. The 330i, in particular, offers a compelling blend of performance and refinement, making it a highly desirable vehicle for enthusiasts and everyday drivers alike.

This comprehensive service and repair manual provides detailed information essential for maintaining and repairing your BMW 330i. It covers a wide range of systems, including the powertrain, transmission, chassis, suspension, and electrical systems. You will find step-by-step procedures for routine maintenance, component repair and replacement, and in-depth troubleshooting guides with diagnostic flowcharts. Technical specifications, torque values, and information on special tools are also included. This manual is an invaluable resource for owners, independent mechanics, and technicians seeking to ensure the longevity, reliability, and optimal performance of their E90 generation BMW 330i.