bjterp00

Nice setup, Tom. I have the 20" black optic wheels on my '15 S7. Really wish I had gone the Hartmann + Tire Rack route. I love the look of the stock wheels but wanted to go with 19s for winter. I went with the Audi package ... most of the 19" packages on Tire Rack priced out close to the same, but none looked that great. Your setup with the 19" Hartmann's is awesome. If I had it to do over again, your setup would be a no-brainer for me.

Indemand

You have to add the cost of new TPMS sensors to this I assume? How much are those?

BasicSlvr

No need for TPMS sensors. The S7 does not employ sensors to measure tire pressure. The system detects rotational diameter difference in each tire.

Enjoy the ride

nelson007

Did theyt install wheels sensors?

Thanks,
Nelson

tpitsti93

No. I did some research and I'm pretty sure Audi now uses a differential rotational TPMS system. The way it works I believe is that right after you make sure you're tires are all set to the right pressure, and the same pressure for all 4 tires, you go into MMI and calibrate the system. Then it monitors the wheel speed and if it sees a difference in one wheel spinning at a slightly different speed on average, it assumes that tire is under inflated. So, no sensors in the new system. Maybe someone else on this thread can confirm?

Indemand

Pretty much how it works. The only "sort of problem" is it doesn't tell you which one is low. But you can probably figure this out pretty quickly.