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Anyone ever use generic TPMS?

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Old 07-28-2012, 02:16 PM
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Default Anyone ever use generic TPMS?

I found these on ebay but am wary of the generic TPMS system. It's more than 1/2 of the price of the regular ones. Any other leads for other sellers of TPMS?

Thanks,

Scott
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Old 07-28-2012, 03:29 PM
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Old 07-29-2012, 04:34 AM
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??? why do you need those? Doesnt the 2012 Q7 use differential wheel speed to monitor tire deflation via brake sensors instead of those sender units.
Pretty sure they are for older MYs of Q7
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Old 07-29-2012, 11:31 AM
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interesting. I found this on Audi's website,

http://www.audiusa.com/us/brand/en/t...S_Systems.html

Does this confirm that there is no tpms unit in the tire? I can simply buy any rim/tire set that fits?
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Old 07-29-2012, 12:59 PM
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Originally Posted by sshu View Post
interesting. I found this on Audi's website,

http://www.audiusa.com/us/brand/en/t...S_Systems.html

Does this confirm that there is no tpms unit in the tire? I can simply buy any rim/tire set that fits?
There is no TPMS device in the wheels of a 12 Q7. It is all software controlled through reading from the anti lock brake/traction control system. Basically it monitors RPM and vibration from each wheel to look for evidence of air loss.
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Old 07-29-2012, 07:18 PM
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Originally Posted by weth View Post
There is no TPMS device in the wheels of a 12 Q7. It is all software controlled through reading from the anti lock brake/traction control system. Basically it monitors RPM and vibration from each wheel to look for evidence of air loss.
So if I change to different size tire/rims I don't need to worry about needing a TPMS unit anymore? Just install the new rims and go? Sounds so simple.
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Old 07-29-2012, 09:10 PM
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Originally Posted by Shoe View Post
So if I change to different size tire/rims I don't need to worry about needing a TPMS unit anymore? Just install the new rims and go? Sounds so simple.
Just install new rims and go.
Final confirmation - there is no TPMS unit anymore.
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Old 07-30-2012, 06:12 AM
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You go to MMI and reset TPMS for new set. it takes a few minutes to update then you confirm. Just the same as when you want to change your running pressures on existing tyres/tires.

The link provided in sshu's second post does list 2012 Q7 but it is wrong. They may get some sales and the system will still work just the valve units will not serve any function.

Last edited by Jusforfun; 07-30-2012 at 06:43 AM.
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Old 07-31-2012, 06:29 AM
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Thanks for the help, appreciated
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