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The BMW Range
5 Series
F10, F11, F07
Tyre Pressure
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<blockquote data-quote="eter" data-source="post: 703773" data-attributes="member: 27467"><p>According to the iDrive, the TPMS (at least in F30) measure the change of wheel height relative to other wheels. If one of the wheel height is lower due to loss of pressure it will send the warning to the display. There is a video animating how it works. </p><p></p><p>I always thought it directly measure the tyre pressure in theory. To check one day I pumped all tyres to 45psi, reinitialize the TPMS, then lower the pressure on one tyre to 30psi. Drove for 10km and no warning whatsoever.</p><p></p><p>So how do I check if my TPMS were not accidentally 'omitted' when tyres changed in a shop. Will the iDrive pickup missing TPMS?</p></blockquote><p></p>
[QUOTE="eter, post: 703773, member: 27467"] According to the iDrive, the TPMS (at least in F30) measure the change of wheel height relative to other wheels. If one of the wheel height is lower due to loss of pressure it will send the warning to the display. There is a video animating how it works. I always thought it directly measure the tyre pressure in theory. To check one day I pumped all tyres to 45psi, reinitialize the TPMS, then lower the pressure on one tyre to 30psi. Drove for 10km and no warning whatsoever. So how do I check if my TPMS were not accidentally 'omitted' when tyres changed in a shop. Will the iDrive pickup missing TPMS? [/QUOTE]
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The BMW Range
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Tyre Pressure
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