The BMW M5 E34 Cabriolet You Didn’t Know About Misc by turboandstance - March 18, 2020March 19, 2020 No, this is not a Barn find. This prototype of an E34 M5 convertible was made by BMW itself, they wanted to show the car during the Geneva auto show of 1989. However, that did not happen… The E34 is a gem anyway, but this convertible is really uber. The E34