This comprehensive workshop repair service manual provides detailed technical information for your 1988 BMW 518 and 518i. This manual covers all models, engines, trim levels, and transmission types. It includes step-by-step instructions, diagrams, and specifications for a wide range of repair and maintenance tasks. From basic maintenance procedures like oil changes and filter replacements to complex engine overhauls and electrical system repairs, this manual will be an invaluable resource for professional mechanics and DIY enthusiasts alike. The content covers everything you need to keep your BMW running smoothly and reliably.

The BMW 518i, produced from 1988 to 1991, was a compact executive sedan that formed part of the E28 generation of the BMW 5 Series. This model marked a significant departure from its predecessors, incorporating numerous advancements and refinements. Under the hood, the 518i was powered by a 1.8-liter four-cylinder engine, a departure from the larger six-cylinder engines typically found in the 5 Series. This engine, designated as the M10, produced 113 horsepower and provided a balance of performance and fuel economy. Despite its smaller engine, the 518i retained the elegant and refined design characteristics of its larger siblings. The E28 generation, known for its sleek lines and subtle sophistication, featured a distinctive front grille, aerodynamically optimized bodywork, and a spacious interior. Importantly, this 518i variant marked BMW's commitment to offering a more accessible entry point to its premium sedan lineup, appealing to buyers seeking a balance of luxury, practicality, and affordability. The 518i was equipped with a range of standard features intended to enhance both driving experience and comfort. Power steering, automatic transmission, and air conditioning were offered as standard, reflecting BMW's dedication to providing a premium driving experience even in the entry-level model. The interior showcased a blend of functionality and luxury, with comfortable seating, high-quality materials, and a well-organized dashboard. While the 518i may not have boasted the same performance as its six-cylinder counterparts, its nimble handling, balanced ride, and efficient engine made it an attractive option for drivers seeking a refined and economical daily driver. The 518i, while a less common variant within the E28 generation, firmly established BMW's commitment to offering a diverse range of models catering to varied customer preferences and driving needs.