You are supposed to dump them as soon as you've tried them (and return to your sedan

).
And before you ask about 1M, M2, M4:
https://f20.1addicts.com/forums/show...postcount=4951.
Edit:
Quote:
Originally Posted by SpaceSilver.X1
if BMW sedans are called 1er, 3er and 5er, why aren't SUVs called X1er, X3er or X5er?
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Well, to me they are. Honestly, I don't know (or really care) what exactly that "-er" means.
