This comprehensive service and repair manual provides everything you need to maintain, repair, rebuild, refurbish, or restore your BMW 633CSI or 635CSI, including the M6 model. It covers all years from 1983 to 1989. This detailed manual contains hundreds of pages of information organized with a superb table of contents for easy navigation. You'll find step-by-step instructions, detailed diagrams, and specifications for all aspects of your vehicle, from basic maintenance to complex repairs. Whether you're a seasoned mechanic or a DIY enthusiast, this manual is an essential resource for ensuring your BMW runs smoothly and reliably for years to come.

The BMW 6 Series (E24) was a luxury grand tourer produced by BMW from 1976 to 1989. The 633CSI, 635CSI, and M6 models, covered in this service repair manual, represent the final generation of the E24, showcasing a refined evolution of the original design. The 633CSI, powered by a 3.2-liter inline-six engine, offered a balance of performance and efficiency, while the 635CSI, with its 3.5-liter engine, provided a more potent driving experience. The M6, a performance masterpiece, boasted a powerful 3.5-liter inline-six engine with M-specific tuning, delivering exceptional power and handling. All three models shared a common design language, featuring a sleek, aerodynamic body with a long hood, low roofline, and a distinctive shark-nose grille. The interior was luxurious and driver-focused, offering comfortable seating, high-quality materials, and a comprehensive instrument panel. The 1983-1989 models saw significant updates, including revised styling with larger bumpers, new taillights, and a redesigned front fascia. The interior received refinements, with new seats, trim pieces, and improved ergonomics. The mechanicals also underwent improvements, with revisions to the suspension, brakes, and engine management system. These enhancements resulted in a more refined and sophisticated driving experience. The 633CSI, 635CSI, and M6 were highly regarded for their performance, handling, and luxurious appointments. They were appreciated by enthusiasts for their blend of elegance and athleticism, solidifying their reputation as iconic grand tourers. This service repair manual serves as an invaluable resource for owners, mechanics, and enthusiasts, providing comprehensive technical information and repair procedures for these classic BMW models.