This comprehensive workshop repair service manual provides detailed technical information for the BMW 518 and 518i models manufactured between 1990 and 1991. Within its pages, you will find a wealth of knowledge covering all aspects of your vehicle, from routine maintenance procedures to complex troubleshooting guides. This manual is designed to be your ultimate resource for understanding and maintaining your BMW, ensuring optimal performance and longevity. It encompasses a wide range of topics, including engine repair, transmission service, electrical systems diagnostics, braking system maintenance, suspension adjustments, and bodywork repairs. With clear illustrations, step-by-step instructions, and detailed wiring diagrams, this manual empowers both experienced mechanics and DIY enthusiasts to confidently tackle any repair or maintenance task. The information presented is accurate, up-to-date, and tailored specifically to the 1990-1991 BMW 518 and 518i models, regardless of engine type, trim level, or transmission configuration. Invest in this essential resource and gain the knowledge necessary to keep your BMW running smoothly for years to come.

The BMW 518i, produced from 1990 to 1991, marked a significant shift in the German automaker's approach to the mid-size luxury sedan segment. While previous iterations of the 5 Series had offered potent engines and sporty handling, the 518i emphasized fuel efficiency and affordability without sacrificing the inherent BMW qualities of build quality and refinement. This was achieved by utilizing a smaller, 1.8-liter four-cylinder engine, a departure from the traditional six-cylinder engines that often powered the 5 Series. This engine, codenamed M40, generated a modest 115 horsepower, focusing on delivering a more economical driving experience than its more powerful siblings. Despite the smaller engine, the 518i retained the 5 Series' renowned handling prowess, thanks to its independent suspension and precise steering. The 518i offered a comfortable and refined ride, making it a compelling choice for drivers seeking a practical yet luxurious daily driver. Inside, the 518i presented a well-appointed cabin with quality materials and a focus on ergonomics. The dashboard featured clean lines and easy-to-use controls, providing a user-friendly experience. While the 518i was not as overtly sporty as some of its 5 Series counterparts, it offered a comfortable and spacious interior that catered to both driver and passengers. The 518i also included a range of available features, including power windows, power steering, and a cassette player, providing a comfortable and convenient driving experience. Despite its modest engine and focus on practicality, the BMW 518i remained a true 5 Series, offering a refined and engaging driving experience, excellent build quality, and a level of comfort and luxury that made it a compelling choice in its segment. The 518i's legacy stands as a testament to BMW's ability to cater to a wider range of needs and preferences, proving that a smaller engine and lower price tag did not diminish the core values of the 5 Series.