Q7 Sensors

[mrfreeze]

I have the factory 21 inch wheels on my Q7 and was planning on upgrading to 22's. Can I re-use the TPMS from my 21's or do I have to get new ones?

[TPMS Guru]

You could reuse them, but I recommend that you use a new set. The cost of swapping sensors can be costly and depending on the age of your vehicle, the batteries could be worn.