Does anyone know if there is anywhere to buy a motor w/ low miles
or with basic mods done i.e.k04 dv, injectors??

actually, all b5 engines are quattro....

....

In seriousness, you might find the occasional engine out of a wrecked a4 if you search the forums. Also try audizine, vwvortex, audiworld...

check the classified section... also ebay...

You'll probably have to by the k04 seperate

www.car-part.com
depending on where u live u might have to get engine that the same year or newer then the car