Zracer22 the absolute best guy for this (amoung others I'm sure) is Ben Thongsai in Chicago..

Drop him a line at: (708) 450-0300

Tell him you are a Racer and are building and e30 ITS car.

Good Luck,

Kieran (you can mention me if he asks - he works on my Father's M3 and is an old friend of mine.)