Want a M5? There aren’t many that don’t right now. And if the E39 wasn’t already appealing enough, pricing on them is quickly becoming more affordable for the everyday Joe. But for some folks, it’s still too much, and let’s be honest – while M5s are pretty special beasties there are plenty of them out there. So perhaps if today’s no reserve RS6 wasn’t enough to have you looking at the grass on the other side of the fence, then maybe this listing will be enough to peak your interest – the claimed development car for the Racing Dynamics R48, this early build 1997 540i is prime for the driving at a very easy to swallow pricetag and is certainly unique: