This manual covers the BMW 3 Series models, including the 325i, 325xi, 328i, and 328xi, produced between the 2006 and 2010 model years. These vehicles, built on chassis codes E90 (Sedan), E91 (Wagon/Touring), E92 (Coupe), and E93 (Convertible), are renowned for their exceptional driving dynamics, advanced N52 inline-six engine technology, and premium build quality. The 3 Series has consistently been a benchmark in the premium compact executive car segment, celebrated for its balanced handling, precise steering, and the availability of the xDrive all-wheel-drive system, making it a versatile choice for various driving conditions.

This comprehensive factory service manual provides detailed information essential for the maintenance, diagnosis, and repair of your BMW 3 Series. It covers all major systems, including the engine mechanicals, fuel and cooling systems, drivetrain, suspension, brakes, and electrical components. Within these pages, you will find step-by-step procedures for routine maintenance, component replacement, troubleshooting common issues, and in-depth diagnostics. This manual is an indispensable resource for owners, technicians, and mechanics seeking to ensure the optimal performance, reliability, and longevity of their vehicle.