The Citroën XM, produced between 1989 and 2001 under the Y3 and Y4 chassis codes, was a flagship executive car renowned for its distinctive styling and advanced engineering. Positioned to compete with established luxury marques, the XM offered unparalleled ride comfort through its signature hydropneumatic suspension system, which provided self-leveling capabilities and adjustable ride height. Its aerodynamic, futuristic design by Bertone, coupled with a spacious and ergonomically focused interior, made it a unique offering in its segment. The XM was available with a range of petrol and diesel engines, including V6 options, and was offered with both manual and automatic transmissions, showcasing Citroën's commitment to innovation and driver-centric design.

This comprehensive workshop manual serves as an essential resource for maintaining and repairing the Citroën XM. It covers a wide array of systems, including detailed procedures for petrol and diesel engines, manual and automatic transmissions, and the complex hydropneumatic suspension and braking systems. The manual also provides extensive information on electrical systems, climate control, and bodywork, along with routine maintenance schedules, diagnostic guides, and step-by-step repair instructions. With its detailed technical specifications, wiring diagrams, and troubleshooting flowcharts, this manual is indispensable for owners, mechanics, and technicians aiming to preserve the performance, reliability, and unique characteristics of their Citroën XM.