For those of you interested there is a group buy going on over at bimmerforums for MarkD chips. For those of you not familiar here is his website: http://www.dsylva-tech.ca/
And here is the link to the group buy: http://bimmerforums.com/forum/showthread.php?t=403030
all we need is 1 more person to join in and we will all get 13% off which is a great deal. For those of you not familiar with his chip, search around and you'll see that it is a great product.