Here is this car's value according to edmunds.com TMV (True Market Value):
 

2003 BMW 5 Series 540i 4dr Sedan w/Automatic Trade-In Private Party Dealer Retail National Base Price $10,257 $12,424 $14,424 Optional Equipment $1,005 $1,169 $1,471 Heated Steering Wheel $32 $37 $47 Heated Passenger Seat $29 $33 $42 Heated Driver's Seat $29 $33 $42 Headlight Cleaners $72 $84 $105 5-Speed Shiftable Automatic Transmission $378 $441 $554 Power Rear Sunshade $74 $87 $109 Power Driver's Seat Lumbar Adjustment $129 $150 $189 Power Passenger Seat Lumbar Adjustment $129 $150 $189 Manual Side Sunshade $50 $58 $73 Front and Rear Side Airbags $83 $96 $121 Color Adjustment Gray $9 $11 $13 Regional Adjustment for Zip Code 27502 $65 $79 $92 Mileage Adjustment 56,000 miles $1,230 $1,230 $1,230 Condition Adjustment Outstanding $788 $910 $1,081 Total $13,354 $15,823 $18,311     Certified Used Vehicle N/A Price Another Vehicle

 This is your chance to own a beautiful car that will impress all your friends and neighbors and give you many years of unparalleled satisfaction! This car was about $56,000 new (see below vehicle inquiry). Why spend that kind of money on a new one when you can have this for a fraction of the price?!