Hi - I am ready to buy my first BWM - Here it is. What can I expect to pay over invoice (or below MSRP) - thanks a lot.

My X5 3.0si3.0-liter, inline 6-cylinder engine
xDrive, intelligent all-wheel-driveSee all standard featuresBase MSRP$45,900Space Gray Metallic$0Sand Beige Nevada Leather$0Dark Burl Walnut wood trim$0Premium Package$2,750Rear Climate Package$9003rd row seat$1,700Comfort seats with lumbar support$1,200Heated front seats$500Navigation system$1,900Running boards$300Real Time Traffic Information$0Voice activation$0Destination & Handling:$775Total MSRP as Built$55,925