Wondering if the noise while driving is normal, or not.

What is your question?

Just bought the 2007 530xi. I am asking if the noise I am about to describe is normal or a problem. The sound starts at about 10km and continues at all higher speeds. The only way I can describe the sound is that it is the same as listening to the tire friction sounds when a 4x4 with very large tires drives by. My tires are new, but I am quite certain it is not the tires. Sound appears to be coming from the front of the car. Is this sound normal to this car? I expected it to be much quieter.