This comprehensive Workshop Service Repair Manual provides detailed instructions and technical specifications for maintaining and repairing your BMW 633csi, 635csi, and M6 models spanning the years 1983 to 1989. The manual covers all models, engines, trim levels, and transmission types, making it the ultimate resource for any owner or mechanic. Within its pages, you'll find step-by-step repair procedures, detailed illustrations, and critical specifications, allowing you to confidently tackle a broad range of repairs and maintenance tasks. The manual covers everything from general maintenance and troubleshooting to engine service, transmission repair, brake system components, electrical system diagnostics, suspension adjustments, cooling system maintenance, fuel injection system repair, emission system checks, heater and air conditioner service, engine control system analysis, chassis and body work, restraint system components, interior repairs, differential and drive system maintenance, and axle component work. Each section is meticulously organized and includes clear instructions, warnings, and cautions to ensure safety during repairs. The manual's design facilitates easy navigation and information retrieval, allowing you to quickly find the specific information you need. Detailed illustrations, drawings, and photographs complement the written instructions, providing visual aids to enhance comprehension. Enlarged insets highlight specific parts and components for detailed examination. This manual is the same one used by professional service shops and technicians, giving you access to the same high-quality information used by experts. Equip yourself with the knowledge and confidence to perform repairs and maintenance tasks yourself, saving time and money on costly repair bills.

The BMW 6 Series (E24) is a luxury grand tourer that was produced by the German automaker BMW from 1976 to 1989. The 633csi, 635csi, and M6 models, particularly those produced between 1983 and 1989, are highly sought-after by enthusiasts for their timeless design, luxurious interiors, and potent performance. The 6 Series E24 emerged during a period of significant growth for BMW, building upon the success of its earlier models like the 3.0 CSL and 5 Series. It was designed to be a luxurious and sporty grand tourer, capable of covering vast distances in comfort and style. The 633csi and 635csi models were powered by BMW's renowned straight-six engines, offering a balance of power and refinement. The 633csi was equipped with a 3.2-liter M20 engine producing 184 horsepower, while the 635csi benefited from a 3.5-liter M30 engine generating 218 horsepower. The pinnacle of the E24 range was the M6, which debuted in 1983. This model was powered by a 3.5-liter M88/1 engine, a high-performance version of the M30 engine, producing 286 horsepower. The M6 featured numerous performance enhancements, including a revised suspension, upgraded brakes, and a unique body kit with a distinctive rear spoiler. These features made the M6 a formidable sports car capable of exceeding 150 mph, a remarkable feat for its time. The E24 6 Series models offered a blend of luxury, performance, and practicality, making them a compelling choice for discerning drivers seeking a timeless and elegant grand tourer.