This factory service repair manual provides comprehensive guidance for the 1988 BMW 325 and 325i models, identified by the E30 chassis code and powered by the M20B25 engine. Renowned for their driving dynamics, balanced chassis, and quality build, these vehicles represented BMW's commitment to engineering excellence in the compact executive sports sedan and coupe segment. The 325i, in particular, served as a flagship model, offering a potent inline-six engine and a driving experience that set it apart from competitors like the Mercedes-Benz 190E and Audi 80/90. This manual is an essential resource for maintaining and preserving the performance and longevity of these highly collectible vehicles.

The scope of this English-language manual covers all essential aspects of vehicle maintenance, troubleshooting, and repair. It details procedures for the engine, including mechanical and electrical systems, fuel injection, ignition, cooling, lubrication, and exhaust. Transmission systems, both manual and automatic, suspension, steering, brakes, and the complete electrical system are thoroughly addressed. Additionally, the manual provides instructions for bodywork, interior components, heating, and air conditioning. With in-depth coverage ranging from scheduled maintenance and fluid changes to complete engine and transmission overhauls, this resource is invaluable for owners, mechanics, and technicians seeking to perform accurate diagnostics and repairs.