This comprehensive BMW 8 Series 1998 Factory Repair Manual is your essential guide to maintaining and repairing your vehicle. Inside, you'll find detailed instructions covering a wide range of systems, from basic maintenance procedures to complex engine repairs. This manual is specifically tailored for the 1998 model year and provides in-depth information on the following areas: * **Maintenance and General Instructions:** Learn proper maintenance techniques, including routine checks, fluid changes, and other essential procedures. * **Motor:** Dive into the intricacies of your vehicle's engine, including detailed information on its components, operation, and troubleshooting. * **Engine Electrics:** Understand the complex electrical system that powers your engine, including components, wiring diagrams, and troubleshooting tips. * **Fuel Preparation and Control:** Gain a thorough understanding of your vehicle's fuel system, from fuel injection to fuel delivery and control. * **Fuel Tank and Lines:** Learn about the construction, operation, and maintenance of your fuel tank and fuel lines. * **Radiator:** Explore the cooling system, including the radiator, hoses, and thermostat, along with troubleshooting tips for common issues. * **Exhaust System:** Understand the function and maintenance of your vehicle's exhaust system, including components and troubleshooting guides. * **Clutch:** Learn about the clutch system, its components, operation, and common issues. * **Gearbox:** Gain in-depth knowledge of your vehicle's transmission, including its components, operation, and potential problems. * **Drive Chain:** Discover the intricacies of your vehicle's drivetrain, including the drive chain, axles, and differentials. * **Steering:** Explore the steering system, including the steering wheel, steering column, and power steering. * **Rear Wheel Drive:** Understand the mechanics of your rear-wheel drive system, including the differential, axles, and components. * **Brakes:** Learn about the braking system, including the brake calipers, rotors, and pads, as well as troubleshooting guides for common brake issues. * **Wheels and Tires:** Gain knowledge about your vehicle's wheels, tires, and related components, including maintenance and troubleshooting tips. * **Frame:** Understand the construction and maintenance of your vehicle's frame. * **Equipment:** Learn about various vehicle equipment, including air conditioning, heating, and other accessories. * **General Electrical Equipment:** Explore the vehicle's electrical system, including the battery, alternator, and other components. * **Instruments:** Understand the operation and information provided by your vehicle's instrument panel. * **Lights:** Learn about your vehicle's lighting system, including headlights, taillights, and turn signals, and troubleshooting steps for common issues. This comprehensive manual provides the information you need to maintain and repair your BMW 8 Series and keep it running smoothly.

The BMW 8 Series, launched in 1989, was a grand tourer designed to rival the Mercedes-Benz SL and the Jaguar XJS. The 1998 model year marked a significant point in the 8 Series' lifespan, featuring several updates and refinements. Available as a coupe and convertible, the 8 Series was known for its sleek, aerodynamic design, boasting a drag coefficient of just 0.29. This was achieved through a combination of features like pop-up headlights, a long, sloping hood, and a short, fastback rear deck. It was powered by a range of powerful V8 and V12 engines, with the flagship model, the 850i, producing 322 horsepower from its 5.4-liter V12. The 8 Series also offered a powerful, yet refined, driving experience, courtesy of a sophisticated suspension system and precise steering. The 1998 BMW 8 Series came equipped with a host of luxurious amenities, including leather upholstery, heated seats, and a premium sound system. Despite a strong start, sales of the 8 Series struggled to meet expectations. This was partly due to its high price point, and partly due to its limited production numbers. However, the 8 Series garnered praise for its performance, handling, and styling. It remains a highly sought-after classic car among enthusiasts, and its legacy continues to influence the design and engineering of BMW's current lineup of grand tourers. The 1998 model year saw the introduction of the 840Ci, featuring a more fuel-efficient 4.4-liter V8 engine, along with some minor aesthetic updates. The introduction of this engine option made the 8 Series more accessible to a wider audience, even as production dwindled in its final years, coming to an end in 1999. With its sporty performance, luxurious cabin, and timeless design, the BMW 8 Series remains a testament to the German marque's engineering prowess.