Living outside Boston, winter tires are definitely highly recommended, and I would say a necessity for someone like me that 1 enjoys skiing on the weekends and 2 occasionally must go to work in person regardless of weather. I wanted to build an 18 inch setup for more sidewall height, lighter unsprung weight, and lower cost. Bought some used wheels, 18 x 8.5” dimensions with +40 offset, and purchased tires online at Costco, the Michelin X-Ice Snow in 235/55/18 size. It was a great deal with the $150 off sale last month, came out to $746 out the door with installation fee. I also bought OEM new Bluetooth TPMS valve stems direct from Tesla.
Today I went to Costco to get them mounted, and they told me to that they won’t mount them because they don’t touch any TPMS units that did not come from their inventory. I explained these are brand new TPMS from the OEM, and the manager said nope! Catch-22 here is they don’t even sell Bluetooth TPMS. So they said go take them to another tire shop that will accept the liability of owner supplied TPMS. I asked them to refund the tire installation and tire disposal fees that I prepaid, so I got $82 back.
Took the tires, wheels, and TPMS to Firestone Complete Auto Care and now I’m waiting for them to mount/balance them. Firestone overcharges a bit, it’s $120 for install. Bottom line is replacing existing tires is possible at Costco since you already have TPMS, buying a new wheel package (with TPMS) will not be possible at Costco until they carry BT TPMS. YMMV.
Today I went to Costco to get them mounted, and they told me to that they won’t mount them because they don’t touch any TPMS units that did not come from their inventory. I explained these are brand new TPMS from the OEM, and the manager said nope! Catch-22 here is they don’t even sell Bluetooth TPMS. So they said go take them to another tire shop that will accept the liability of owner supplied TPMS. I asked them to refund the tire installation and tire disposal fees that I prepaid, so I got $82 back.
Took the tires, wheels, and TPMS to Firestone Complete Auto Care and now I’m waiting for them to mount/balance them. Firestone overcharges a bit, it’s $120 for install. Bottom line is replacing existing tires is possible at Costco since you already have TPMS, buying a new wheel package (with TPMS) will not be possible at Costco until they carry BT TPMS. YMMV.