The BMW 633csi, 635csi, and M6 Factory Service Repair Manual is a comprehensive guide covering all aspects of maintaining and repairing your vehicle. This official factory manual, spanning models from 1983 to 1989, provides detailed instructions and illustrations, allowing you to perform repairs with confidence. From basic maintenance procedures to complex engine and transmission work, this manual covers everything you need. Detailed instructions guide you through each repair procedure, ensuring accuracy and success. Enlarged insets allow for close examination of parts, while numbered instructions make following the steps easy. Detailed illustrations and diagrams supplement the text, making it easy to visualize each procedure. The manual encompasses a wide range of topics, including: * General Maintenance: Learn how to maintain your BMW’s overall health and longevity. * Troubleshooting: Diagnose and solve common issues using comprehensive troubleshooting guides. * Engine Service/Repair: Perform maintenance and repair procedures on your vehicle’s engine. * Transmission Service/Repair: Gain knowledge on maintaining and repairing your car’s transmission. * Brake System: Understand the workings of your braking system and learn how to properly maintain it. * Wiring Diagrams: Decipher electrical systems with clear and detailed wiring diagrams. * Electrical System: Learn to troubleshoot and repair your BMW's electrical components. * Suspension: Maintain and repair your car’s suspension system. * Periodic Lubrication: Learn the importance of regular lubrication and how to perform it correctly. * Steering: Understand the mechanics of your steering system and how to maintain it. * Cooling System: Maintain and repair your vehicle’s cooling system. * Fuel Injection/Fuel System: Learn everything you need to know about your BMW’s fuel system. * Emission System: Troubleshoot and repair your vehicle’s emission system. * Heater/Air Conditioning: Diagnose and repair your car’s climate control system. * Engine Control System: Gain a thorough understanding of your vehicle’s engine control system. * Chassis/Body: Learn how to repair and maintain your BMW’s body and chassis. * Restraint System: Understand the workings of your vehicle’s safety systems. * Interior: Perform repairs and maintenance on your car’s interior components. * Differential/Drive: Learn how to maintain and repair your vehicle’s differential and drive system. * Axle: Understand the workings of your vehicle’s axles and learn how to repair them. This manual provides a wealth of information, equipping you with the knowledge and tools to handle any repair or maintenance task. With this manual at your fingertips, you can save money on costly shop labor and gain a deeper understanding of your BMW.

The BMW 6 Series (E24) is a grand touring coupe produced by BMW from 1976 to 1989. The second generation of the 6 Series, introduced in 1983, marked a significant evolution with a more aerodynamic design and refined performance. The 633csi, 635csi, and M6 variants, covered by the 1983-1989 Factory Service Repair Manual, represent the pinnacle of this generation. The 633csi and 635csi models were powered by the M30 inline-six engine, with the 633csi featuring a 3.2-liter unit and the 635csi boasting a 3.4-liter engine. These engines were renowned for their smooth power delivery and robust reliability, producing between 181 and 218 horsepower. The M6, a high-performance variant, was equipped with a powerful 3.5-liter M88 engine producing 282 horsepower, making it a true sports car with exhilarating performance. The 1983-1989 BMW 6 Series (E24) was a testament to BMW's commitment to luxury, performance, and engineering excellence. The sleek, aerodynamic design, comfortable interior appointed with high-quality materials, and advanced technology were hallmarks of the era. The 6 Series offered a compelling blend of grand touring comfort and thrilling driving dynamics. The 633csi and 635csi provided a refined and luxurious driving experience, while the M6 offered a more focused and performance-oriented driving experience. Though production ended in 1989, these models remain highly sought after by enthusiasts for their elegant styling, enduring performance, and timeless appeal. The 1983-1989 Factory Service Repair Manual is a valuable resource for owners and mechanics alike, providing detailed information on maintenance, repair, and troubleshooting for these iconic BMW models.