This workshop service repair manual covers the BMW 3 Series, specifically the 325xi model, produced between 2006 and 2010. This generation, known by chassis codes E90 for the Sedan and E91 for the Wagon/Touring, is powered by the N52B25 2.5-liter inline-six engine, renowned for its smooth power delivery and efficiency, earning it recognition as one of Ward's 10 Best Engines. The 325xi variant features BMW's xDrive all-wheel-drive system, contributing to its reputation for renowned driving dynamics and refined performance, positioning it as a strong contender in the compact executive segment against competitors like Audi and Mercedes-Benz.

This comprehensive manual provides detailed guidance for owners, mechanics, and technicians to maintain and repair the BMW 325xi. It covers all essential systems, including powertrain, chassis, electrical, and body components, with in-depth procedures for scheduled maintenance, diagnostics, troubleshooting, and complete overhauls. Technical specifications, torque values, fluid requirements, and diagnostic trouble codes are thoroughly documented, enabling accurate and efficient service. The manual's extensive scope ensures that users can confidently address everything from routine oil changes and filter replacements to complex engine rebuilds and electrical system diagnostics, preserving the vehicle's performance and value.