TPMS--Very Neat Feature
What's more, it measures it continuously (updating every few seconds) so you could pump air in and watch as the reading goes from, say, minus 2 (underinflated), to zero (perfect).
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MMD said:
Definitely a good feature. I have it too. Now the *technical* manual sez it is supposed to tell us tire air temp and condition of little battery, but I can't seem to access that. Any luck with yours?
Aug 21, 2005 8:40:16 PM
Aug 21, 2005 9:08:03 PM
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Michael Russell said:
So that reading of -2 in the rear and -1 in the front is based on what, I am curiosu to know? Is it based on the factory recomendation, (Typically 29 front, 36 rear I think) or is it based on pressures you input as your correct pressures?
The reason I ask, is I see this as a hugely usefull tool for those of us who track our cars. Track pressures are often different from those used for the street.
Also, air temp inside the tire could as well be very usefull, please keep us posted on your findings about that too MMD.
Michael
Aug 21, 2005 11:20:59 PM
Aug 21, 2005 11:34:45 PM
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Anthony4579 said:
If the pressure is off is their an audible signal? My dealer had warned against getting this option as they said that there were many problems on the Cayenne with TPMS. Apparently it would set off an alarm if the pressure was only slightly off. The dealer said that they ended up disconnecting the TPMS on many cars. Does anyone know if this is different than the version on the Cayenne? Thanks,
Aug 22, 2005 4:19:03 AM
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Anthony4579 said:
If the pressure is off is their an audible signal? My dealer had warned against getting this option as they said that there were many problems on the Cayenne with TPMS. Apparently it would set off an alarm if the pressure was only slightly off. The dealer said that they ended up disconnecting the TPMS on many cars. Does anyone know if this is different than the version on the Cayenne? Thanks,
Aug 22, 2005 6:56:12 AM
Quote:
Anthony4579 said:
If the pressure is off is their an audible signal? My dealer had warned against getting this option as they said that there were many problems on the Cayenne with TPMS. Apparently it would set off an alarm if the pressure was only slightly off. The dealer said that they ended up disconnecting the TPMS on many cars. Does anyone know if this is different than the version on the Cayenne? Thanks,
Aug 22, 2005 8:39:18 PM
Aug 22, 2005 9:47:51 PM
Quote:
Anthony4579 said:
If the pressure is off is their an audible signal? My dealer had warned against getting this option as they said that there were many problems on the Cayenne with TPMS. Apparently it would set off an alarm if the pressure was only slightly off. The dealer said that they ended up disconnecting the TPMS on many cars. Does anyone know if this is different than the version on the Cayenne? Thanks,
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tnunnery said:
I've noticed in some pics that 997s with TPMS don't have the standard, black plastic tire valves and valve caps. Is this correct? I also read that the silver-crested valve sleeve and caps are incompatible with TPMS.
Is this the case or am I imagining things? Does anyone have any insight into this?
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MMD said:
Yes, the silver stems and caps DO indicate the TPMS system is in place. My06 has them with TPMS. I don't know it I would call them "silver crested valve stems and sleeves" though, they're the usual plain looking item; instead of being black plastic/rubber they are silver/grey.
BTW BMW system is very different. No transmitter receivers, it simply measures gradual and slight differences in rotation via the ABS system to find the flat tire. Flat tire's rotation is slower since more rubber is hitting road.
Quote:
tnunnery said:
I've noticed in some pics that 997s with TPMS don't have the standard, black plastic tire valves and valve caps. Is this correct? I also read that the silver-crested valve sleeve and caps are incompatible with TPMS.
Is this the case or am I imagining things? Does anyone have any insight into this?
Aug 24, 2005 4:19:40 AM