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 Retired
2013 VW GTI Driver's Edition with APR Stage 1(Retired)
2016 BMW 550i MSport (Lighting package, Executive Package, Luxury Seating, Drivers Assistance, Drivers Assistance Plus)