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BMW 3-Series (E90 E92) Forum
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Tyre Pressure Warning system-different wheels
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| 08-25-2009, 04:13 PM | #1 |
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Captain
 
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Tyre Pressure Warning system-different wheels
I've got some genuine BMW 17 inch M3 wheels/tyres, was hoping these will fit on my 325i m sport(18's) while I get the wheels refurbed?-(some time soon)
How does the run flat sensor work ? is there a sensor in the wheel valve or does it work another way? |
| 08-25-2009, 04:15 PM | #2 |
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Zummerzet Zyder Drinker!
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TPMS utilises the wheelspeed signals from the ABS wheel sensors - when one wheel looses pressure, it gets smaller and spins FASTER than the other three.
When the ABS ECU sees this discrepancy, it flags up a low tyre fauly.
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| 08-25-2009, 04:49 PM | #3 |
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Captain
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should be OK then?
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| 08-25-2009, 04:50 PM | #4 |
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Captain
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for got to say there E36 M3 wheels.....
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