This comprehensive Workshop Service Repair Manual provides a detailed guide for maintaining and repairing your BMW 840i and 850i E31 models, equipped with 4.0L, 5.0L, and 5.4L engines. Covering model years 1994 to 1999, this manual is your ultimate resource for tackling any service or repair task. The manual is designed to empower you with the knowledge and confidence to perform repairs yourself, saving you potentially significant costs. Each procedure is presented in a clear, step-by-step format, accompanied by illustrative diagrams and images, making complex tasks easy to understand and execute. This manual encompasses all aspects of servicing and repair, ensuring you have everything you need to keep your BMW running smoothly. Whether you are a seasoned mechanic or a DIY enthusiast, this manual provides the necessary information to tackle any job, from routine maintenance to complex repairs.

The BMW 8 Series (E31), launched in 1989, was a luxury grand tourer that marked a significant departure from the brand's typical offerings. It aimed to compete with high-end coupes like the Mercedes-Benz SL and the Jaguar XJS, offering a blend of performance, style, and comfort. The 840i and 850i variants, equipped with 4.0L and 5.0L V8 engines respectively, were the initial offerings and quickly gained accolades for their driving dynamics and luxurious appointments. These cars were renowned for their elegant, flowing lines, a design language that carried forward the classic BMW aesthetic. The E31's design, penned by Claus Luthe, was particularly noteworthy for its aerodynamically efficient, low-drag profile, a testament to BMW's commitment to performance and efficiency. While the 840i and 850i were initially popular, the model faced challenges due to its high price point and limited production numbers. The introduction of the 850i with the powerful 5.4L V12 engine in 1994 marked a significant shift, further solidifying the 8 Series' position as a performance car. Despite its technological advancements, the E31 generation was discontinued in 1999, paving the way for the new E63 generation. Though its production run was relatively short, the BMW 8 Series E31 left a lasting impression on the automotive world. Its distinctive design, luxurious appointments, and impressive performance solidified its status as a coveted classic among car enthusiasts. Today, the E31 is highly sought after by collectors for its rarity, exclusivity, and undeniable presence on the road.