This comprehensive service repair manual provides everything you need to repair, maintain, rebuild, refurbish, or restore your BMW 633CSI, 635CSI, or M6 (1983-1989). It covers all diagnostic and repair procedures, giving you the same information used by professional technicians and mechanics. The manual includes detailed, printable diagrams for easy reference. All repairs are covered in detail, from the simplest maintenance tasks to complex engine rebuilds. With this manual, you'll have the confidence to tackle any repair project yourself and save money on service costs.

The BMW 633CSI, 635CSI, and M6, produced from 1983 to 1989, represent the third generation of the iconic BMW 6 Series grand tourer. These models were a significant departure from their predecessors, featuring a more angular and aerodynamic design penned by renowned designer Paul Bracq. The 633CSI and 635CSI, powered by robust inline-six engines, offered a balanced blend of performance and comfort. The 633CSI, equipped with a 3.2-liter engine, produced 182 horsepower, while the 635CSI boasted a larger 3.4-liter engine delivering 218 horsepower. Both models were known for their smooth power delivery and engaging driving experience, offering a sophisticated alternative to the more aggressive M6.

The M6, the performance-oriented flagship of the range, set a new standard for luxury sports cars. It was powered by a 3.5-liter inline-six engine, tuned to produce 286 horsepower and 243 lb-ft of torque. This powerful engine, paired with a 5-speed manual transmission, propelled the M6 to impressive acceleration and agility. In addition to its enhanced performance, the M6 was distinguished by its unique exterior styling, including a prominent front spoiler and wider wheels. These features emphasized its sporty character, making it a true icon on the road. The 6 Series, especially the M6, became synonymous with elegance, performance, and driving pleasure, solidifying its position as a coveted and sought-after luxury grand tourer.