This workshop service repair manual covers the BMW 328i, specifically the E46 chassis, produced between 1999 and 2005. The 328i is an entry-level luxury sedan renowned for its sporty handling, driver engagement, and the smooth, powerful performance of its 2.8L inline-six M52TUB28 engine. Building on BMW's legacy of engineering excellence, the E46 generation introduced significant advancements, and the 328i was positioned as a refined mid-range model, celebrated for its balanced chassis, responsive steering, and robust build quality, often earning accolades such as Car and Driver's '10Best' list.

This comprehensive manual provides expert-level guidance for owners and technicians alike, detailing maintenance procedures, repair instructions, and troubleshooting for all major vehicle systems. Coverage includes engine mechanicals, fuel injection, cooling, lubrication, emissions control, manual and automatic transmissions, suspension, steering, brakes, electrical systems, and body and interior components. With detailed information on diagnostic trouble codes, torque specifications, fluid requirements, and common known issues, this manual is an essential resource for ensuring the optimal performance, reliability, and longevity of your BMW 328i.