This workshop service repair manual covers the BMW 3 Series, specifically the 328xi model, produced between the 2006 and 2010 model years. These vehicles, built on the E90 (Sedan) and E91 (Wagon/Touring) chassis codes, are renowned for their exceptional driving dynamics, premium build quality, and the refined performance of their naturally aspirated 3.0-liter inline-6 cylinder N52B30 engine. As a cornerstone of BMW's premium compact executive offerings, the 3 Series is celebrated for its balanced chassis, responsive steering, and the all-weather capability provided by the xDrive all-wheel-drive system, embodying BMW's philosophy of 'The Ultimate Driving Machine'.

This comprehensive manual provides detailed information essential for the maintenance, repair, and troubleshooting of your BMW 328xi. It covers all major systems, including engine mechanicals, engine management, fuel, ignition, exhaust, transmission (automatic and manual), drivetrain (xDrive AWD), suspension, steering, brakes (ABS, DSC), and the complete electrical system. With over 1500 pages of content, this guide offers step-by-step procedures for routine maintenance, diagnostic fault code interpretation, component repair, and technical specifications, ensuring owners and technicians can effectively maintain and preserve the performance and longevity of their vehicle.