As I mentioned, it had to do with the possibility of the tires having cracks in them... If your car's not an '08, it's not a concern. Even if your car is an '08, I doubt anyone has the stock tires anyways.
Grey Matter:2008 E92 M3:608/425. SG/PS SOLD!
Dark Matter:2015 F80 M3:495/505. AB/CB