REVscene Automotive Forum - View Single Post - Winter tire discussion for grown ups thread.

dn53 · 11-08-2017, 05:21 PM

There are ups and downs to having an indirect TPMS system. BMW calls it a FTM (flat tire monitoring system). US models will use TPM which involves an actual sensor in each wheel. The downside to the FTM system is it's not able to detect a flat tire if it occurred while the vehicle was parked. The system will only pick it up if a gradual loss of tire pressure occurs while driving. This also means the system won't let you know if the pressures have dropped due to temperature fluctuations. It's a common complaint with the TPM system.

Fun fact of the day

11-08-2017, 05:21 PM	#949
dn53 I Will not Admit my Addiction to RS Join Date: Mar 2009 Location: Vancouver Posts: 577 Thanked 266 Times in 92 Posts Failed 11 Times in 5 Posts	There are ups and downs to having an indirect TPMS system. BMW calls it a FTM (flat tire monitoring system). US models will use TPM which involves an actual sensor in each wheel. The downside to the FTM system is it's not able to detect a flat tire if it occurred while the vehicle was parked. The system will only pick it up if a gradual loss of tire pressure occurs while driving. This also means the system won't let you know if the pressures have dropped due to temperature fluctuations. It's a common complaint with the TPM system. Fun fact of the day Last edited by dn53; 11-08-2017 at 07:52 PM. Reason: typo.