TPMS inaccuracies

ChristianF · 01-21-2023, 08:06 AM

I have just inflated my tyres as per the in car display, 47psi in the front and 38 in the rear. Seems high to me but I followed the guidance.

I inflated the tyres with my PCL gauge connected to a compressor and then double checked them with a Halfords professional digital tyre pressure gauge as per the above settings.

The TPMS reports all sorts of pressures now. The front it reports as 44 and 43 but I know for certain they are 47.

Anyone else noticed some TPMS discrepancies?

damo74 · 02-11-2023, 04:24 AM

I tend to find the TPMS on 2GC (and my 2021 Mini) show about 1-2 PSI less than it really is.

01-21-2023, 08:06 AM	#1
ChristianF Private 9 Rep 55 Posts Drives: F82 M4 Comp Join Date: Dec 2011 Location: United Kingdom iTrader: (0)	TPMS inaccuracies I have just inflated my tyres as per the in car display, 47psi in the front and 38 in the rear. Seems high to me but I followed the guidance. I inflated the tyres with my PCL gauge connected to a compressor and then double checked them with a Halfords professional digital tyre pressure gauge as per the above settings. The TPMS reports all sorts of pressures now. The front it reports as 44 and 43 but I know for certain they are 47. Anyone else noticed some TPMS discrepancies? __________________
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02-11-2023, 04:24 AM	#2
damo74 Private 3 Rep 54 Posts Drives: 218i GC Auto Join Date: Jan 2021 Location: Scotland iTrader: (0)	I tend to find the TPMS on 2GC (and my 2021 Mini) show about 1-2 PSI less than it really is.
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