Hit a deep pothole this summer. No affect directly afterward. About a week later started hearing a whirring sound after about 25 mph. Around 40 it got louder too. Now when I'm at 25 it makes vibrating and the whirring is 100% louder through all mph after 20. Took it to the dealer 3 times over the past few months. Told them I think it might be a wheel bearing. They keep telling me that its the tire. The tire has slight cupping. The only tire that does. About to put the winters on and take it back and tell them it's not the tire. Getting really tired of this dealer jerkin me around all the time.