The BMW 3 Series, specifically the 330i model produced between 2006 and 2010, represents the fifth generation (E90 series) of BMW's iconic compact executive vehicle. Available in sedan (E90), wagon/touring (E91), coupe (E92), and convertible (E93) body styles, this generation is powered by the 3.0L inline-6 N52B30 engine, renowned for its smooth power delivery and inclusion on Ward's 10 Best Engines list. The 3 Series is celebrated for its sporty handling, premium interior appointments, and strong brand heritage, making it a consistent competitor in its segment. This model offers a blend of performance and luxury, appealing to driving enthusiasts and those seeking a refined driving experience.

This comprehensive workshop service repair manual provides detailed guidance for the maintenance, diagnosis, and repair of the BMW 3 Series (E90 series). Covering a wide array of systems including engine mechanicals, engine management, transmissions (manual and automatic), drivetrain, suspension, steering, brakes, and the electrical system, this manual is an invaluable resource. It includes step-by-step procedures for routine maintenance, component replacement, and in-depth repairs, along with diagnostic information for troubleshooting common issues. The manual is designed to assist owners, mechanics, and technicians in keeping their BMW 330i in optimal condition.