11:09 am - Bimmer vs. Beemer
"It's Simple
Here's all you have to remember. If it has fewer than four wheels it is considered a Beemer (or a Beamer).
Then all you gotta do is think to yourself: how many wheels does my BMW have? Four wheels? Yep! Bimmer."
http://boston-bmwcca.org/reference/bimm