You can use the spring perches (large sping plaforms) £35ish off a A4 B5 and fit them to your factory shocks with your factory or lowering springs and the front will drop by 15mm, even more with lowering spring's. NO Crash No Bang No Problem's.. Check out this thread as one of the B7 member's has also done this cheap mod..
http://www.audi-sport.net/vb/audi-s4-a4-a4-cab-b7-chassis/109079-lowered-front-end-pic.html
http://www.audi-sport.net/vb/audi-s4-a4-a4-cab-b7-chassis/109079-lowered-front-end-pic.html