The BMW 3 Series, specifically the E90 generation produced from 2006 to 2013, represents a pinnacle of sport sedan, wagon, coupe, and convertible engineering. Known for its driver-focused cockpit, premium interior materials, and advanced technology, this model line, including variants like the 335i and 335xi, offers exhilarating performance powered by its twin-turbocharged inline-six engines and sophisticated suspension tuning. The 3 Series has consistently been recognized for its exceptional driving dynamics and was a frequent recipient of prestigious automotive awards, solidifying its reputation as a benchmark in the premium mid-size segment.

This comprehensive workshop service manual provides detailed guidance for the maintenance, repair, and troubleshooting of the BMW 3 Series models from 2006 through 2010. Covering all body styles including Sedan (E90), Wagon (E91), Coupe (E92), and Convertible (E93), this manual delves into every major system. It includes in-depth procedures for engine mechanicals, fuel and ignition systems, transmissions (manual and automatic), drivetrain components, suspension, brakes, steering, and the complete electrical system. With extensive coverage of routine maintenance, diagnostic procedures, component replacement, and detailed wiring diagrams, this manual is an essential resource for owners and technicians alike.