TPMS, tyre pressure monitor system
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not certain but probably under system/units
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529 Posts
thats exactly where it is.
if your tires are filled to 2.3 bar, the pressure will deop by about 0.2 on days when it is <5 degrees which generates a low tire pressure warning. once the wheels have been turning a bit, they heat up and pressure returns to 2.3.
if your tires are filled to 2.3 bar, the pressure will deop by about 0.2 on days when it is <5 degrees which generates a low tire pressure warning. once the wheels have been turning a bit, they heat up and pressure returns to 2.3.
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2,887 Posts
That's why tyre pressures should be checked, and adjusted if necessary, regularly so that changes in ambient temperature are taken into account - at least as far as seasonal changes, no need to adjust them every day!
8 degrees C change in ambient temperature will give 0.1 bar change in tyre pressure.
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100%!
Tires are very important - with any luck, they are the ony thing that will ever make contact with the ground (other than my undertrays!)
Do people still get tires filled with nitrogen to over come this? Something I used to do on my M3, but not sure it actually worth the bother these days...
Tires are very important - with any luck, they are the ony thing that will ever make contact with the ground (other than my undertrays!)
Do people still get tires filled with nitrogen to over come this? Something I used to do on my M3, but not sure it actually worth the bother these days...
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The pressure still varies with ambient temperature just the same when filled with nitrogen.
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