$35 ac schnitzer chip 24hp?

[bmw///m3///]

to me it looks like an obvious copy. its for a m42 engine.it cheap, but wonder if it works? and who is this dealer?

What do you guys think?
Thanks

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=7955554718&category=33597