Unveiling the intricacies of your 1988 BMW 520 and 520i, this comprehensive service and repair manual provides an in-depth guide to maintenance and repair procedures. Packed with detailed information, you'll gain access to a wealth of technical knowledge, empowering you to confidently tackle a wide range of tasks. From routine maintenance like oil changes and filter replacements to more complex repairs, this manual covers it all. Navigate through detailed diagrams, step-by-step instructions, and troubleshooting tips that guide you through every process. This essential resource is your key to understanding and maintaining your BMW 520 and 520i, ensuring its optimal performance and longevity.

The BMW 520i, a model produced between 1988 and 1991, represents a significant step forward in the evolution of the iconic BMW 5 Series. This iteration, classified as the E34 generation, marked a departure from its predecessor, boasting a more refined and luxurious aesthetic. The 520i was powered by a 2.0-liter four-cylinder engine, a departure from the six-cylinder engines prevalent in other models within the 5 Series range. This engine, utilizing the M20 code, produced 129 horsepower, delivering a comfortable and efficient driving experience. Notably, this model marked the introduction of the first four-cylinder engine in the 5 Series lineup, a decision driven by fuel efficiency considerations in an era of rising fuel prices. The 520i offered a compelling blend of performance and practicality, appealing to a wider audience seeking the prestige of a BMW without the added expense of a larger, more powerful engine. Beyond its powertrain, the 1988 BMW 520i showcased a number of advancements. It featured a redesigned interior, prioritizing comfort and functionality. The dashboard layout was streamlined, incorporating a user-friendly instrument cluster and a more intuitive control layout. The exterior retained the iconic 5 Series design language, but with subtle refinements. Notably, the E34 generation introduced a new front grille design, with its prominent kidney grille flanked by integrated headlights. The 520i incorporated a host of safety features, including an anti-lock braking system (ABS) and a driver-side airbag. These innovations solidified its position as a modern and safe automobile. While the 520i offered a more economical option within the 5 Series range, it remained true to the brand's reputation for driving dynamics and refinement. With its precise handling, comfortable ride, and stylish design, the 1988 BMW 520i cemented its place as a highly desirable and capable automobile.