09-26-2020, 04:13 PM | #1 |
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Drives: 2020 M340Xi (G20)
Join Date: Sep 2013
Location: Virginia
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Dumb TPMS Question
Hi,
I have a '20 M340 with a non-square tire set up: • Front: 225/40 R19 • Rear: 255/35 R19 My question: How do I set up TPMS. If I use Automatic, it selects rear size. If I select Manual, I have choice of All Season or Winter. Or doesn't it matter? I know that tire pressure reading is close to what I get from my own gauge Thanks
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Al
2020 M340Xi| ZDA| ZDY| ZPP| ZPX| 1CR| 1PL| 688| 6NW| 2VFH| Retired: 2014 328i BMW CCA |
09-26-2020, 04:22 PM | #2 |
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Doesn't matter. The TPMS send a signal on a 433mhz frequency and tire/wheels size has no bearing on them syncing. The only reason you see the different seasons is most likely due to the large swings in temperature which impacts tire PSI.
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Appreciate
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RSnic657.50 |
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