This manual covers the BMW 3 Series, specifically the 328i and 328xi models, across various body styles including the E90 sedan, E91 wagon, E92 coupe, and E93 convertible. Produced between 2006 and 2010, these vehicles are renowned for embodying BMW's 'Ultimate Driving Machine' philosophy, characterized by sporty handling, a refined interior, and a powerful, smooth 3.0L naturally aspirated inline-six engine. The 3 Series has consistently been a benchmark in its premium compact executive segment, praised for its engaging driving dynamics and upscale brand appeal, often earning accolades from automotive publications.

This comprehensive Workshop Service Manual provides detailed information essential for the maintenance, diagnosis, and repair of your BMW 3 Series. It covers all major systems, including engine mechanicals, fuel, ignition, cooling, lubrication, and engine management, as well as manual and automatic transmissions, brakes, suspension, steering, and electrical systems. The manual includes step-by-step repair procedures, troubleshooting guides, diagnostic specifications, and technical data, enabling owners and technicians to perform everything from routine scheduled maintenance to complex component overhauls and repairs with accuracy and confidence.