Quote:
Originally Posted by visualguy
The standard (non-competition) 20" are also forged according to the BMW technical training document. The 19" are cast.
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BMW USA also said the 601m were forged (they aren't), 343m silver weren't (they are) and 343m were (they got one right). I don't believe the 706m are, but we'll see in due course. Check out the F10 forum for the discussion there.