This comprehensive service manual is your essential guide to repairing and maintaining your 1991 BMW 8 Series E31. It provides detailed instructions and technical specifications covering a wide range of components and systems, empowering you to tackle repairs with confidence. From basic maintenance procedures to complex engine and transmission diagnostics, this manual includes everything you need to keep your 8 Series running smoothly. Discover in-depth information on the following areas: * **Engine and Drivetrain:** Explore the intricacies of the powerful engine, including fuel preparation, fuel lines, and the exhaust system. Dive into the transmission system with detailed guidance on the clutch, gearbox, and rear wheel drive. * **Electrical Systems:** Uncover the complexities of the car's electrical systems with comprehensive explanations of engine electrics, general electrical equipment, instruments, and lighting. * **Chassis and Body:** Gain a thorough understanding of the 8 Series's construction with detailed instructions on the steering, brakes, wheels and tires, frame, and equipment. This service manual is your go-to resource for ensuring your BMW 8 Series remains in top condition.

The BMW 8 Series E31, launched in 1989, was a luxury grand tourer that embodied BMW's commitment to performance and engineering excellence. It was the first BMW to feature a V12 engine since the legendary 328, and its sleek, aerodynamic design was a departure from the traditional boxy lines of previous BMW models. The 8 Series was designed to be a true grand tourer, offering both luxurious comfort and thrilling performance. It sported a spacious and opulent interior, with high-quality materials and advanced features like climate control and power seats. Underneath the hood, the 8 Series offered a range of powerful engines, including the iconic 5.0-liter V12 that produced 300 horsepower and propelled the car to a top speed of 155 mph. A 4.4-liter V8 was also available, offering a more economical option while still delivering impressive performance. The 8 Series E31 was a technological marvel for its time, boasting advanced features like an electronic suspension system, anti-lock brakes, and an optional traction control system. While it was built to be a comfortable and refined cruiser, the 8 Series also offered impressive handling and agility thanks to its sophisticated chassis and suspension. Despite its success, the 8 Series E31 was discontinued in 1999, replaced by the more mainstream 8 Series E63. However, the 8 Series E31 remains a highly sought-after collectible car, admired for its timeless design, luxurious appointments, and impressive performance. The 1991 Factory Repair Manual for the BMW 8 Series E31 serves as an essential tool for owners and mechanics alike, providing detailed information on every aspect of the car's mechanics and maintenance. This manual is a valuable resource for ensuring the 8 Series E31 remains in top condition and continues to impress for years to come.