The deviation in spelling for the cars, on the other hand, is a bit murkier. As best we can figure, the car guys didn't wanna be associated with the motorcyclin' hoodlums. So despite the fact that the names sound identical, apparently a vowel swap was enough for the four-wheeled motorists. We still don't get it, but that's the way it is.
So a random nobody journalist made up some shit and you took it as gospel?
They are beemers, bimmer is just a stupid corruption evidently by ignorant fools.
Bimmer is what the car enthusiasts have used to differentiate themselves. I didn't make it up. That's why the forums (like every single one of them) are bimmer and not beemer. More urban word repositories are aware of the difference and now maybe you are too ---