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BMW 3-Series (E90 E92) Forum
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TPMS Battery Lifespan?
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07-05-2022, 03:45 PM | #1 |
Second Lieutenant
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TPMS Battery Lifespan?
So I've had my 2008 BMW 328xi (no iDrive) for over 14 years now....and I've never replaced the TPMS sensors and they've never had a problem. Most other vehicles I've seen with true TPMS sensors you can actually view the psi for each wheel, but on mine I cannot. Does my vehicle just use the earlier version of sensing with just wheel speed sensors? From what I hear it seems uncanny for a TPMS battery to have lasted this long.
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07-06-2022, 12:36 AM | #2 | |
Lieutenant
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Quote:
It uses battery when wheel is spinning only. Some stats here E9X had seen 3 versions of tire pressure monitoring 1) FTM: sensor-less - uses wheel speed sensor instead of actual TPMS. No battery to go bad 2) TPMS v1 - an actual TPMS sensor fitted in inside the wheel/tire 3) TPMS v2 - similar to v1 but not interchangeable The BMW CIC does not provide software option to display tire pressure. Actual values are being reported by TMPS sensor(s).
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08-23-2022, 02:00 PM | #3 |
Brigadier General
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If your car us U.S. spec, it uses TPMS sensors with batteries, they just have a really long lifespan. I've never seen them run dead in an e90 but 15 years or so is probably reasonable so Im sure it does happen
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