This comprehensive workshop repair service manual provides detailed technical information for the 1981 BMW 518i, covering all models, engines, trim levels, and transmission types. It is designed to be a valuable resource for both professional mechanics and DIY enthusiasts, offering comprehensive guidance on service, maintenance, and troubleshooting procedures. The manual includes detailed diagrams, step-by-step instructions, and specifications for all components and systems, empowering you to confidently diagnose and repair your vehicle. From routine maintenance tasks like oil changes and brake adjustments to complex engine repairs and electrical troubleshooting, this manual provides the knowledge and information you need to keep your BMW 518i running smoothly and reliably.

The 1981 BMW 518i, a quintessential example of German engineering and design, marked a pivotal moment in the evolution of the iconic 5 Series. This compact executive sedan, designed to rival the likes of Mercedes-Benz and Audi, was built on the robust E12 platform, a testament to BMW's commitment to reliability and performance. Under the hood, it housed a 1.8-liter four-cylinder engine coupled with a 4-speed manual transmission, delivering a spirited driving experience while maintaining excellent fuel economy. The 518i’s interior showcased a blend of practicality and luxury, with comfortable seating for five, a spacious trunk, and a well-appointed dashboard. The car's distinctive lines, featuring a long hood, a sloping roofline, and a prominent kidney grille, exuded an air of sophistication and elegance that resonated with a discerning clientele. The 1981 BMW 518i was a testament to BMW's philosophy of building cars that were both fun to drive and practical for everyday use. The car's agile handling, precise steering, and balanced suspension provided a unique driving experience that was both engaging and comfortable. Despite its relatively modest engine displacement, the 518i delivered adequate power for most driving scenarios. However, its true strengths lay in its efficiency, reliability, and longevity. The 518i was known for its robust build quality and its ability to withstand the rigors of daily use. This, combined with its timeless design and comfortable interior, made it a highly desirable choice for drivers seeking a blend of luxury, performance, and practicality. While the 518i may not have been the most powerful model in the 5 Series lineup, it earned lasting admiration for its overall driving experience and its lasting legacy as a true symbol of German automotive excellence.