2002 bugeye: Loss of power, rattling sound...sound likke it could be an internal issue (eg big end bearings)...best he takes it to a
reputable workshop to get it checked.
2001 bugeye: Loss of power, various coloured smoke etc.... get rid of
BOV & replace with OE one, get Link tuned properly (good luck with that...try Leigh Hynes, Busselton Subie Service)...oil may have been overfilled + there may be some residual blowback in the intercooler (plenty of threads about this on here)....