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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > Tire pressure light



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      03-23-2013, 12:47 PM   #1
MWildPOWPOW
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Tire pressure light

All my tires are correct pressure but the light is on, it happened while I was driving a little aggressively on a on ramp and holding the corner at a good speed. Hit a slight numb in the road and the light came on. What is going on here?
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      03-24-2013, 08:00 AM   #2
MWildPOWPOW
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Anyone???? come one help
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      03-24-2013, 08:18 AM   #3
Dackelone
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First thing is to check each tire for proper tire pressure(s). THEN reset the TPMS system with the engine running AND the car not moving. Once you see the Reset light... drive off for a mile or two. This will reset the TPMS target pressure. The system is a "dumb" system, in that it only knows what the last "target" pressure setting was, and what the current air pressure is. IF the old target pressure is higher than your current air pressure - the light will stay on.

A lot of people don't realize the TPMS system only resets when the car is stopped. You can not reset it while driving the car.

You might also want to check the metal valve stems - the 11mm nut tends to back off. It only needs to needs snug - VERY low torque! I think 4Nm. ?
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      03-24-2013, 06:02 PM   #4
Ivan@PYSpeed.com
 
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2006 325i doesn't have TPMS. Try to reset and see if the light go away.
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      03-24-2013, 06:35 PM   #5
MWildPOWPOW
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Thank u
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