Originally Posted by pibbur2012 
Imme R100
I've seen the related Wikipedia article … "Imme" is an old-fashioned word (meaning that no-one uses it nowadays except people with the age of 70-80+ ) of the German word "Biene", which means "bee".
In Germany (and I assume elsewhere, too), the Bee is a symbol for fastness combined with … diligence ? I think this word fits it best.
Which means that this motorcycle was "as fast as a bee" or "as diligent as a bee" or so the name would suggest.
But you don't need to know that.