This comprehensive service and repair workshop manual is specifically designed for the BMW 635CSI model, covering years 1983 through 1989. It provides detailed instructions and guidance for a wide range of maintenance and repair tasks, encompassing every aspect of the vehicle. The manual includes in-depth information on engine, transmission, electrical systems, brakes, suspension, bodywork, and more. It is an essential resource for any owner, mechanic, or enthusiast looking to perform repairs, understand the intricacies of the 635CSI, or simply deepen their knowledge of this classic car.

The BMW 635CSi, produced from 1983 to 1989, represents a pinnacle of performance and luxury in the German automaker's history. This iconic grand tourer, built on the E24 platform, was a testament to BMW's commitment to engineering excellence and driver-focused design. The 635CSi was powered by a 3.5-liter naturally aspirated inline-six engine, producing a respectable 218 horsepower and 224 lb-ft of torque. This powerplant, coupled with a smooth-shifting five-speed manual transmission, propelled the 635CSi to impressive performance figures, achieving a 0-60 mph time of 7.1 seconds and a top speed of 140 mph. The 635CSi’s handling was equally impressive, thanks to its meticulously engineered suspension and precise steering. The car’s well-balanced chassis provided a blend of agility and composure, making it equally as enjoyable on winding back roads as it was on long highway stretches. The 635CSi's luxurious interior was a testament to BMW's attention to detail. High-quality materials and craftsmanship were evident throughout the cabin, from the supple leather upholstery to the intricate wood trim. The driver-centric cockpit featured a sport steering wheel, clear instrumentation, and ergonomic controls. The 635CSi was also equipped with a long list of standard features, including power windows, power seats, air conditioning, and a premium sound system. The 635CSi's elegant and timeless design, combined with its thrilling performance and luxurious interior, made it a highly sought-after vehicle among discerning automotive enthusiasts. It represented a golden era of BMW engineering and design, solidifying its place as a classic and enduring model in the company's storied history.