Anyone know anything about the Hartge model BMW? Looks like they do similar modifications like Dinan. Saw a 2004 545i for sale with the Hartge package and really caught my eye.

http://rover.ebay.com/rover/1/711-1751-2978-71/1?AID=5463217&PID=2518995&loc=http%3A%2F%2Fcgi.ebay.com%2Febaymotors%2FHARTG E-EDITION-SPORT-NAV-COLD-PKG-XENONS-100K-WARRANTY_W0QQitemZ180148838364QQihZ008QQcategoryZ6 008QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

That thing is a beauty...I think they even have upgraded engines and mods under the hood. You considering it?