The BMW 325i, produced in 2005, represents the E90 generation, a compact executive sedan renowned for its exceptional driving dynamics, refined 3.0L inline-six N52B30 engine, and robust build quality. This model is celebrated for its balanced chassis, responsive steering, and the smooth, linear power delivery of its award-winning engine, making it a benchmark in its class against competitors like the Audi A4 and Mercedes-Benz C-Class. Its design prioritizes driver engagement and comfort, reflecting BMW's long-standing legacy in automotive engineering and performance.

This comprehensive service and repair manual provides detailed guidance for owners, mechanics, and technicians. It covers all essential aspects of the BMW 325i (E90), including routine maintenance procedures, in-depth troubleshooting for common issues, and complete repair and rebuild instructions for the powertrain, chassis, and electrical systems. With extensive coverage of the 3.0L inline-six engine and both manual and automatic transmissions, along with full electrical schematics and diagnostic procedures, this manual ensures the optimal upkeep and repair of your vehicle.