I'll be installing this setup after Christmas. I currently have a stock motor, except for a IE Shorter Header, crane xr700, and a 32/36. I'll let you know what I experience .
In the meantime here a link
http://www.bmw2002faq.com/component/option,com_forum/Itemid,57/page,viewtopic/t,312159/highlight,single+sidedraft/
*post edited