The BMW 325i and 325is, part of the E30 chassis generation produced from 1982 to 1994, represent a pinnacle of sporty, premium compact executive automotive engineering. Introduced in 1985, these models are renowned for their exceptional inline-six M20B25 engines, delivering 170 horsepower and 170 lb-ft of torque, coupled with a rear-wheel-drive platform that provides outstanding chassis balance and engaging driving dynamics. Distinguished by their driver-focused interiors and iconic styling, the 325is variant often included sportier features like M-Technic suspension and a limited-slip differential. These vehicles competed in a premium segment, offering a blend of performance, build quality, and luxury that set them apart.

This comprehensive full service repair manual in English is designed to assist owners, mechanics, and technicians in maintaining and repairing the 1985 BMW 325i/is. It covers all essential systems, including detailed procedures for engine mechanicals, fuel and engine management (Bosch L-Jetronic), manual and automatic transmissions, drivetrain, suspension, steering, brakes, and the electrical system. The manual also details routine maintenance, troubleshooting common issues, major repairs, component rebuilds, and provides critical specifications and torque values. Its depth ensures that both basic upkeep and complex overhauls can be performed with accuracy, preserving the performance and longevity of these classic vehicles.