From tiny, precarious vehicles that more closely resemble motorcycles, to actual full-blown cars with one wheel less than usual, there have been a few attempts throughout history at building a viable ...

BMW's Isetta was built on license from an Italian automaker. Today, it's the most popular microcar to collect. BMW produced over 160,000 Isettas from 1955 to 1962.

The BMW Isetta, also known as the Bubble Car, was an Italian microcar that the Bavarian car company bought the rights to. The Isetta only had one door, mounted on the front end, two wheels at the ...