Unlock the secrets of your 1991 BMW 850i E31 with this comprehensive service and repair manual. This detailed resource provides step-by-step instructions and clear diagrams, empowering you to tackle a wide range of maintenance and repair tasks yourself. From intricate electrical systems to complex engine components, this manual covers it all. Explore the in-depth content, including a comprehensive index, introduction, symbol guide, power distribution chart, fuse chart, detailed explanations of power distribution, diagnostic link, injection electronics, charging systems, and much more. With this manual as your guide, you'll gain a deeper understanding of your vehicle's intricacies and confidently perform repairs with expert precision.

The 1991 BMW 850i E31, a luxurious grand tourer, stands as a testament to BMW's engineering prowess and commitment to style. Launched in 1989, the E31 series was conceived as a successor to the iconic 6 Series, aiming for a more spacious and sophisticated offering. The 850i, the initial variant, embodied this vision through its sleek, aerodynamic design penned by Claus Luthe. Its elongated, low-slung profile was a departure from the boxier lines of its predecessor, featuring a distinctive sloping roofline, a long hood, and a flowing rear end. This aesthetic was further enhanced by pop-up headlights, a signature element of the era, adding a touch of drama and exclusivity. Beyond its visual appeal, the 850i housed a powerful V12 engine, a first for a BMW production car since the 1930s. This 5.0-liter unit, producing 300 horsepower and 325 lb-ft of torque, provided effortless acceleration and a thrilling driving experience. Paired with a smooth-shifting 5-speed automatic transmission, the 850i could sprint from 0 to 60 mph in a respectable 6.5 seconds. However, the 850i wasn't just about performance; it offered a luxurious and refined cabin with opulent leather upholstery, premium sound systems, and advanced features like an electronic climate control system. Despite its grand stature, the 850i also showcased nimbleness and handling thanks to its sophisticated suspension system and precise steering. It was designed to be a car that could be driven with equal enjoyment on both winding roads and open highways.