Originally Posted by Mid_West
The way I see it (just guessing and rounding on most parts):
Thats about $9k (which hopefully includes installation). I could (hopefully) sell mine for just above $30k and buy an M3 for around $45k.
If I put all that money into the 335, its completely lost unless I part it out at the end...which I wouldnt.
hmmm, I think I may have made up my own mind
Not sure if you could still fetch 30k for your car. Just upgrade the shocks, LSD, Jb4 and some performance brake pads, and start from there. cost you less than 5k.