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      01-14-2013, 06:08 PM   #6
Bimmer This
Major General

Drives: 2007 BMW 335i
Join Date: Nov 2008
Location: Westminster

iTrader: (3)

tire pressures will always change depending on the weather. It will drop about 2-3psi during cold weather and raise about 2-3psi during hot weather. Like I said before, Nitrogen filled tires can read 5psi + under normal tire pressure especially in these cold weather days that we have had. You can do a reset, but it's not going to change the way the sensor reads. On all my cars, if the vehicle is equpped with TPMS, spec will call for 32psi. I will put 35psi in all four tires.