I didn't even make an offer to my CA. Got a great price right away. two caveats, he is a board sponsor and I'm a return customer. I'm not revealing the discount just recommending you use one of the guys here.
2008 BMW 335i Retired
2009 BMW 535i Retired
2012 F30 335i sportline (Black Sapphire/Black Leatherette/Black High gloss trim, Technology, Sport Auto, Premium Sound, BMW Apps.)