This workshop service repair manual covers the BMW 3 Series, specifically the E90 sedan, E91 wagon, E92 coupe, and E93 convertible models produced between 2006 and 2010. Renowned for its 'Ultimate Driving Machine' philosophy, the BMW 3 Series in this generation is a premium compact executive vehicle, celebrated for its engaging driving dynamics, balanced chassis, and a range of potent inline-four and inline-six gasoline engines, including the award-winning N54 twin-turbocharged variant. Many models from this era also received IIHS Top Safety Pick awards and were frequently recognized on Car and Driver's 10Best lists, underscoring their engineering quality and performance.

This comprehensive 2520-page English-language manual provides detailed information on repair, maintenance, diagnostics, and troubleshooting for all major vehicle systems, including powertrain, drivetrain, chassis, electrical, and body components. It covers everything from routine maintenance procedures like oil changes and filter replacements to complex repairs such as engine and transmission rebuilds, electrical circuit testing, and body panel repair. The manual also includes essential technical specifications, wiring diagrams, and diagnostic trouble code information, making it an indispensable resource for owners, mechanics, and technicians seeking to maintain and repair their BMW 3 Series.