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Flat Tyre Monitoring system

Discussion in '3 Series' started by leeky, Jul 6, 2015.

  1. leeky

    leeky New Member

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    Our Flat Tyre Monitoring cannot see the PSI detail like other country version?

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  2. saat

    saat Club Guest

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    There are 2 types of Tire Pressure Monitoring Systems employed by cars worldwide:

    1. Direct, where there is a wireless transmitter inside the tire as part of the inflation valve, transmitting the tire pressure to a receiver within the car system. The advantage of such a system is that the system is able to read and display the tire pressure. The disadvantage of this system is that the transmitter is prone to failure and overall more expensive. A repair would mean a replacement of the transmitter which would require dismantling the wheel. The pressure indication is not absolute and accurate and is dependent on transmitter condition. The system is this prone to false warning.

    2. Indirect, where there is a sensor that monitors the rotational speed of the wheel. This is then compared to the other wheels. If the system senses that one wheel rotates more than the rest by a set margin, it would indicate that the wheel is under inflated and a warning is triggered. Such systems are sometimes referred to as Flat Tire Monitoring System. The rotational sensor is located outside of the wheel. It is more reliable and less expensive that the Direct TMPS. It does not read tire pressure but it does a good job of monitoring under inflation not necessarily a puncture.

    Malaysian models has the FTMS.

    There are several after-market retrofit kits for the direct system which may not integrate with iDrive.
     
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  3. moots

    moots Club Guest

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    yezzzaa....
    FTMS drawback is that it will go undetected if all tyres becomes underinflated all at the same time.....but then again we "should" check our tyre pressure every week....
     
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  4. vincent

    vincent Club Guest

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  5. eric_s

    eric_s Club Guest

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    vincent.. how much you selling the fobo?
     
  6. vincent

    vincent Club Guest

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    Rm635 including GST , 1 yr warranty bro. If you are intrested to get it from my dealers is also the same price but is more convenient, let me know your location i will tell you which shop to buy from them.
     
  7. astroboy

    astroboy Well-Known Member

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    RFT tyres circumference won't dffer much despite under inflate, hence when FTMS picks up the variance, you would have left less than 16 psi.. On conventional non RFT tyres, it does a very good job though.
     
  8. vincent

    vincent Club Guest

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    My tire dealers telling that some of our BMW system is smart enough to deal with problem, but with the FObo system when the tire pressure go less then 8% of the preset pressure ,warning will be on your smartphone and the in car unit. With this way the product will actually help us to monitor properly and ensure the tire is correctly inflate and will prolong the usage of the tire properly .
     
  9. KengKok

    KengKok Club Guest

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    Do the old fashioned way, directly measure with gauge frequently

    B33Mer
     
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