The Citroën XM, produced from 1989 to 2000, represents a significant chapter in automotive engineering, embodying Citroën's dedication to advanced technology and distinctive design. As a large family or executive car, it competed with established European luxury sedans, offering a unique blend of comfort and innovation. Its most notable feature is the sophisticated Hydropneumatic suspension system, which provided an unparalleled ride quality and self-levelling capability. The XM also boasted a striking, aerodynamic design and was among the first vehicles to incorporate features like variable-assist power steering and advanced climate control, solidifying its reputation for forward-thinking engineering and a refined driving experience.

This comprehensive workshop manual serves as an essential resource for owners, mechanics, and technicians involved with the Citroën XM. It covers all aspects of maintenance, repair, and troubleshooting for petrol and diesel engine variants across the first generation. Key areas detailed include in-depth procedures for engine, fuel, ignition, cooling, exhaust, transmission, suspension, steering, brakes, and electrical systems. The manual also provides guidance on bodywork, climate control, and interior trim, along with specific information on special tools required for complex tasks. With over 1500 pages of detailed technical specifications, diagnostic procedures, and repair instructions, this manual is designed to facilitate the upkeep and restoration of the XM, ensuring its continued performance and longevity.