I have had a FX35 for three years and just bought a second one. The 2005 had the TPS and I had winter tires. Any garage that changes tires can put the TPS sensors in the winter tires. It is not a big deal. I have had no problems with the 2005 and just had snow tires put on my new one by someone other than an Infiniti dealer. The TPS works fine.
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