This manual covers the BMW 328xi, model codes E90 (Sedan) and E91 (Wagon), produced between 2006 and 2010. This generation of the 3 Series is renowned for its balanced chassis, refined interior, and the performance of its naturally aspirated inline-6 engine, featuring Valvetronic technology. The xDrive all-wheel-drive system provides enhanced traction and stability, making it a capable choice for various driving conditions. The 328xi is positioned as a compact executive vehicle, competing with other premium brands and recognized for its driving dynamics and overall refinement, earning accolades such as Car and Driver's 10Best awards.

This comprehensive factory service manual provides detailed information for the maintenance, repair, and diagnostics of your BMW 328xi. It covers all major systems, including the N51B30 engine, xDrive all-wheel-drive system, automatic and manual transmissions, chassis components, and electrical systems. Within its extensive pages, you will find step-by-step procedures for routine servicing, component replacement, troubleshooting common issues, and understanding technical specifications. This manual is an essential resource for owners and technicians alike, ensuring the longevity and optimal performance of your vehicle.