The BMW 328xi, produced for the 2006 through 2010 model years, represents a refined executive sedan and wagon (E90/E91 chassis) known for its engaging driving dynamics and all-weather capability. Powered by a naturally aspirated 3.0-liter inline-six engine (N51B30) featuring Valvetronic technology, this model delivers approximately 230 horsepower and 200 lb-ft of torque, paired with BMW's xDrive all-wheel-drive system. Its engineering emphasizes a balance of performance, comfort, and sophisticated design, making it a benchmark in its competitive segment. The vehicle's robust construction and advanced features contribute to its reputation for reliability and driving pleasure.

This comprehensive service repair workshop manual provides in-depth technical information for the BMW 328xi (E90/E91) from 2006-2010. It covers all major mechanical and electrical systems, including the engine, drivetrain, transmission, suspension, brakes, fuel system, cooling system, exhaust system, and all electrical components. Detailed procedures for routine maintenance, component removal and installation, diagnostics, troubleshooting, and repair are included, along with essential technical specifications, wiring diagrams, and fluid requirements. This manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain, diagnose, and repair the vehicle effectively.