http://bmw-stylers.de/bildergallerie/Bilder_Bmw_Club_Nrw/images/cimg2167.jpg
http://farm4.static.flickr.com/3379/3265950144_0cd3405c00_o.jpg
http://www.demonvw.co.uk/images/e38_07/e38_15.jpg
Bump:


Hey guys, I've got a 98 1.8T. I've had a k04 and chip for a while and wanted to get more performance. I was recommended to port and polish the intake and exhaust. We found out they used abrasive material to do...