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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > X Series > X3 F25 (2011 - current)

X3 F25 (2011 - current)
The latest X3 brings some added style and some new features to the BMW SUV family. Talk about the new F25 now!

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  #1  
Old 08-20-2014, 06:41 PM
MagnusPyke MagnusPyke is offline
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F25 with non-TPMS sensors

Any experience with the non-TPMS option that uses ABS to "check out" the tire pressure. Some reviews show that TPM will display alerts too late which would result with a damage on tire and rims. TPMS is mandatory in the U.S. but not in Canada or EU.
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  #2  
Old 08-21-2014, 05:30 AM
The X Men The X Men is offline
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The latest generation of ABS based TPMS is pretty good.
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  #3  
Old 08-21-2014, 03:37 PM
MagnusPyke MagnusPyke is offline
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Does it mean that it will capture a pressure drop on a single tire and show it on the screen.
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Old 08-21-2014, 03:49 PM
luigi524td luigi524td is online now
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Exclamation TPMS vs TPM

Quote:
Originally Posted by MagnusPyke View Post
Does it mean that it will capture a pressure drop on a single tire and show it on the screen.
BMWs wheel mounted Tire Pressure Monitor System will isolate a single wheel/tire when inflation pressure for that specific one is below the threshold as set in iDrive. I understand that additional coding is available (search the forum) that will permit actual inflation pressure and tire temperature to be reported on iDrive.

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  #5  
Old 08-21-2014, 04:07 PM
The X Men The X Men is offline
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Quote:
Originally Posted by MagnusPyke View Post
Does it mean that it will capture a pressure drop on a single tire and show it on the screen.
yes, the system is smart enough to indicate a low pressure on a certain tire even if it doesn't have a direct pressure sensor.
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Old 08-21-2014, 10:52 PM
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ngcreese ngcreese is offline
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Originally Posted by luigi524td View Post
BMWs wheel mounted Tire Pressure Monitor System will isolate a single wheel/tire when inflation pressure for that specific one is below the threshold as set in iDrive. I understand that additional coding is available (search the forum) that will permit actual inflation pressure and tire temperature to be reported on iDrive.

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I just coded--on TPMS pressure and temperature. It's pretty cool & useful. Ironically, I just had one of the sensors replaced because the system kept warning me of a malfunction. Now I can see, on the vehicle info screen, that the wheel serviced today is over inflated to 42.1 psi.
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Last edited by ngcreese; 08-21-2014 at 10:55 PM.
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Old 08-22-2014, 05:54 AM
02420X3 02420X3 is offline
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Regarding the display of the pressure in individual tires, note that this may only be possible in the US, where Direct TPMS is used. In the rest of the world, where Indirect TPMS (measuring variations in wheel rotational speed) is used, this wouldn't be possible. Direct TPMS has pressure sensors in each wheel, while Indirect TPMS does not.
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