Start at $9500, then find out how much it will cost to get the hood repainted and cleared properly, take half of that, and suck that out of the $9500. That is a lot of miles to be asking for 10k, especially if you don't know how well the car was maintained. I've seen and driven Bimmers with well over 200k miles on them, on the stock motor, running just fine. But at that many miles, you'll want to get it checked out ahead of time before putting any money down.
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2006 Redline Red Nissan 350Z Base
K&N|Falken
I am just that JDM tight, yo.