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TPSM Alternative/aftermarket sensor replacements

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I'm still trying to assemble my winter tire/wheels and although it appears that my "tire & wheel spacer" thread is dead and have not found a useful solution for the offset and spacers, I have an equally challenging situation with the TPMS.

Has anyone heard of or used any aftermarket TPSM sending units?

OEM replacements of each wheel sensor run $300 (or so I'm told)

I'm not going to swap out the old sensors on the new wheels because I want a dedicated summer/winter set.

Any suggestions?

Specifically, what frequency is OEM spec.? and will the receiver automaticaly pick up the new sensors once installed, or do they need to be "paired" like a bluetooth device?

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I do not know of any that will operate with the OEM receiver. TireRack sells an aftermarket kit with its own receiver for <$300 IIRC. Perhaps you could put it on the winter wheels?

Thanks Mike.

That is bad news because I'm not interested in shelling out $300x4 to keep TPMS working with a spare set of wheels.

I'm also not too keen on loading aftermarket electronics (receiver) into the system.

I guess I'll turn off the alarm that tells to when pressure is low.

Mike I also see that you're in NC. I'm up here in Boston, but purchased my Cayenne from Porsche of Hilton Head. They were good to deal with.

Much different than my local dealer. I end up driving 50+ miles away to the next closest P-car dealer to get her serviced just to avoid the local dealer. Off topic I know, but felt is was appropriate to give them props since they're in your neck of the woods.

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