BMW Released the first M5 through the second generation of the iconic 5-Series line up. In 1984 BMW revealed the first M5 at the Amsterdam motor show, it challenged car manufactures by combining utility with performance in to the perfect Euro "sleeper" of the 1980s.
M5 Dashboard View https://www.carmagazine.co.uk/car-reviews/used-cars/past-meisters-driving-all-of-the-first-five-bmw-m5-generations/
Unlike most car manufactures BMW sticks to a simple formula when building cars, using the same body model for their Base, Etta and Performance variant's. The M5 fits BMWs formula perfectly, the only differentiations being a small spoiler and the red, violet and blue stripes of their M Badge. The M5 didn't forfeit any of its luxuries in order to become the beast that it is. The four-door saloon could fit five passengers and had all the accommodations of the base model, with electric windows and seats and Air conditioning. No alterations to the body were needed to house its 282 hp. I6 M88/3 Engine and their was still a full size trunk with a full size spare, something you wont find in most sport sedans of today.