New to the forum. Trying to gauge dealer price on a 2013 535i with M Sport package, Cold Weather Pkg., Premium Package, Driver Assist Package and Technology Package. Car has 15,000 miles, CPO. Dealer asking $45,610. I have seen all of the CPO service records, etc. and all looks good. I have done the KKB pricing both as price to pay dealer for CPO and priced it out as if I were trading the car in and what the dealer would give me for it. There is roughly a 9-10K gap in price between the two scenarios. I am sure there are a lot of variables that can play into this, but how much more can I expect to negotiate down if all of the stars align with end of month, supply and demand, etc.? Thanks for providing any and all insight as to get to the sweet spot for both the dealer and for my bank account.