Damn... well I have to get rid of my CPO'd E90 335xi, AT... Mods in Sig Block, but I have all the original parts that were replaced and can return the vehicle to stock if need be... Asking $30k... Probably too much, since you said you were looking to spend around 20k...
BMW X5 35i: Boopie Exhaust & Intercooler, K&N Drop in Filter, JB3 (3+ psi)
2013 Dodge Challenger R/T: CAI, Catch Can, Custom Exhaust, Headers, 87MM Throttle Body, Diablo Custom 93 OCT Tune