Hi guys, just some quick advice... i have a 2000 a4 1.8qts, car is boosting full 10-11psi but has lost all power!! and have some blue smoke when pulling off or in traffic.. (doesnt do it all the time though) car is going in garrage tomorrow. its also eating oil and coolant! really hope its not serious if it is the turbo thats at fault, (some people have said that it could be, even though it boosting) what do you think would be the best turbo to replace with for slight power increase. direct replace ko3s ko4-001? or another better one, i would like somthing that sounds loud on spool up... i love that sound! i have been doing alot of research but its all quite confusing!! i just want a direct bolt-on upgrade, also do i need to remap or will ecu/engine accept new...bigger turbo? thanks for any help or advice!