Quote:
Originally Posted by DanFromTucson
The V2 stepped headers have a 2-bolt flange at the end so that they will bolt to a stock section 1.
The V1 header is slip-fit over the SuperSprint section 1 (no flange at all).
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According to the Superspint website the below two are the available headers for the Z4M:
1)
http://www.supersprint.com/ww-en/bmw...-drive.aspx#!/
2)
http://www.supersprint.com/ww-en/bmw...-drive.aspx#!/
Do you know which is the stepped SSV1?
Thank you for your help.