About 18 months ago we bought two Certified Pre-owned 2007 BMW 530i, automatic, from Vista BMW in south Florida. One gray and the other one (mine) in black. The gray one still have an excellent paint but as you see in the pix below my black car paint is fading. I've seen another 5 series black car with the same problem and another 7 series as well. One friend who works for BMW dealer told me that BMW knows about the problem but they don't want to admit it so they don't loose money on a recall. BMW North America and Vista refused to fix the paint on it. I've been looking around for paint shops and got some quotations ranging from $800 to $4000 for fixing it.
Bought the car used with 39k miles. It is a nicely refined German beast. Super fast and equally comfortable. But you must pay the cost to own such a machine. The 550i takes 8 1/2 quarts of full synthetic, which will run you around 110 bucks at the dealer. Breaks and tires are not cheap on the vehicle. I paid 800 bucks for the front two break pads/rotors. Had an electronic issue with the transmission at about 70k miles but the dealership covered it. If you are prepared to shell out money to maintain it, then I think you will enjoy this car. It is a dream to drive and the i-drive is easy to use although finicky at times. The dealership has been great and supply a new loaner free every time.
Great car bought it from a friend who upgraded to the M5 with the SmG. Has all options except heads up display. She now misses her 550i and I love it. Acceleration is smooth but stupidly fast. Can do 120 and not even break a sweat. Fuel economy is around 17 for city, but 27 for highway doing 80. Impressive. Love the interior, 20 way comfort are great. Idrive is useful I think older people just get confused with new technology (I'm 24). Can be finicky at times however. The styling works for the car depending on the color. Mines black with tan interior so it looks understated and all business. Keep making excuses to go drive somewhere. Car is so much fun.
This is the first BMW I have bought. The car looks and rides better then any of the other cars I have owned (12) over the past 25 years. It may be a little high for most budgets but you will not be disapointed. Worth every penny. I only got Aust and had to have the navigation. The car is packed with features without spending tons on options. Completely satisfied with the performance on the basic 215 HP 525i.