emergency spare

In a couple weeks I'll be taking a roughly 3200 mile trip in my Model Y LR, driving from Santa Cruz, CA to Lovell, ME. I'm wondering if anyone has any tips or advice for me. More details: The car will be packed pretty full including me and a dog, and we'll do it in 7 days of driving. Five days...

Not sure what the market is for this but I have an unused spare donut from my late BMW X5 which to the best of my knowledge is compatible with Model S and Model X. Shows as new other than a superficial scuff on the inside sidewall from time on a concrete floor. I notice some people like to have...