This comprehensive service repair manual provides you with all the essential information needed to maintain and repair your BMW 633CSI, 635CSI, or M6 model produced between 1983 and 1989. This manual is a valuable resource for both the experienced mechanic and the do-it-yourself enthusiast.

The manual features detailed instructions for a wide range of repair and service procedures, covering everything from basic maintenance tasks to complex engine overhauls. It includes detailed instructions and illustrations to guide you through each procedure, ensuring you have the knowledge and confidence to complete repairs effectively. Key areas covered in the manual include:

* **General Maintenance:** Routine maintenance schedules, fluid checks, and recommended replacement intervals.
* **Troubleshooting:** Diagnostic procedures and fault codes to help locate and resolve common issues.
* **Engine Service/Repair:** Detailed information on engine components, repair procedures, and troubleshooting tips.
* **Transmission Service/Repair:** Guidance on transmission operation, repair techniques, and troubleshooting.
* **Brake System:** Comprehensive coverage of brake components, adjustment procedures, and repair methods.
* **Wiring Diagrams:** Detailed electrical system diagrams for easy identification and tracing of circuits.
* **Electrical System:** Information on electrical components, troubleshooting, and repair techniques.
* **Suspension:** Extensive coverage of suspension components, alignment procedures, and repair instructions.
* **Periodic Lubrication:** Lubrication points and recommended intervals for optimal performance.
* **Steering:** Steering system components, adjustment procedures, and repair guidance.
* **Cooling System:** Information on cooling system components, troubleshooting, and repair procedures.
* **Fuel Injection:** Fuel injection system components, repair instructions, and troubleshooting.
* **Fuel System:** Fuel system components, troubleshooting, and repair procedures.
* **Emission System:** Emission system components, repair instructions, and troubleshooting.
* **Heater/Air Conditioning:** Heater and air conditioning system components, troubleshooting, and repair information.
* **Engine Control System:** Engine control system operation, troubleshooting, and repair procedures.
* **Chassis/Body:** Chassis and body components, repair procedures, and troubleshooting.
* **Restraint System:** Restraint system components, operation, and troubleshooting.
* **Interior:** Interior components, repair procedures, and troubleshooting.
* **Differential/Drive:** Differential and drive components, repair procedures, and troubleshooting.
* **Axle:** Axle components, repair procedures, and troubleshooting.

This manual offers a cost-effective alternative to expensive mechanic services, allowing you to perform many repairs yourself and save money in the process. It provides the comprehensive information needed to confidently address a wide range of issues, ensuring your BMW remains in optimal condition.

The BMW 6 Series (E24) is a grand touring coupé produced by BMW from 1976 to 1989. It was the first car in the 6 Series line and was an evolution of the BMW 3.0 CSL, a homologation special built for racing. While the 3.0 CSL was a two-door coupe designed with a focus on racing, the 6 Series was a grand tourer, aiming for comfort and luxury, and was sold with a wide variety of engine options, including the inline-six M30 engine and the M88 inline-six engine found in the M6. The 633CSi, 635CSi, and M6 models, the subject of this service repair manual, represent the later generation of the E24, produced between 1983 and 1989.

These models, known for their elegant styling and powerful performance, offered a range of options that appealed to both enthusiastic drivers and discerning luxury car buyers. The 633CSi, powered by a 3.2-liter M30 engine, delivered a balance of practicality and performance, while the 635CSi with its 3.5-liter M30 engine offered a significant boost in power. At the pinnacle sat the M6, utilizing the high-performance M88 engine, producing a staggering amount of power for its time and making it a true performance masterpiece. All three models featured a refined driving experience, thanks to their precise handling, comfortable interior, and smooth-shifting five-speed manual or four-speed automatic transmissions. However, these cars, like any other vehicle, require proper maintenance and repair to ensure their continued longevity and optimal performance. This service repair manual is an invaluable resource for owners and mechanics alike, providing comprehensive information on all aspects of these vehicles, from routine maintenance to complex repairs, empowering them to keep their BMW 6 Series on the road and in top condition.