Sadly, the scrutineers might just notice the TURBO
Interestingly enough, I was just searching the other day for a company called "Luftmeister" that used to make BMW products (amongst them believe it or not - Turbos and bolt on fuel injection kits) - seems the company went bust but one of their major suppliers has taken up the cause instead:
http://www.rbracing-rsr.com Their Turbo page from the product list is erm QUITE INTERESTING
[Edited on 14-1-2005 by Iconic944ss]