Unless I know and trust the seller, I would never buy a modded car. Let alone an M... for that asking price, you can get a new M- with piece of mind and dealer warantee etc. His price is too high.

Not sure on that build date either, for 2001, you'd want something November and NEWER. 29K is not bad, but you have to factor in if it's 29K HARD or Normal driving. Most likely, modded M's wouldn't really be Sunday driven,.. just my $.02.