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Tire pressure psi


05112013, 05:33 PM  #1 
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Tire pressure psi
The OBC (noniDrive) has an options to switch units (e.g. kPa, PSI, etc), presumably for tire pressure...yet this value is not displayed anywhere (not even when low tire is triggered. Is there a way to code the BC to view this data?
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05132013, 05:32 PM  #2 
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So the phrase "druck" means pressure in German... I have found the following related entries:
T_ZEIT_ZUG_NACH_DRUCK_FT wert_01 T_ZEIT_ZUG_NACH_DRUCK_BT wert_01 BREMSE_DRUCK wert_01 DRUCK_EINHEIT psi K4119_DRUCK_BAR par_frei K4119_DRUCK_PSI par_frei K4119_DRUCK_KPA par_frei AUSWERTUNG_B_DRUCK nicht_aktiv DBC_MIN_AUSLOESEDRUCK wert_01 DRUCKMODELL_HINTERACHSE wert_03 DRUCKMODELL_VORDERACHSE wert_03 DEF_DRUCK_EINHEIT psi K4119_C_DRUCK_1 wert_03 K4119_C_DRUCK_2 wert_03 K4119_C_DRUCK_3 wert_03 K4119_C_DRUCK_4 wert_03 K4119_D_DRUCK wert_03 DRUCKSENSOR aktiv C07_DRUCKMODELL_HINTERACH wert_04 C07_DRUCKMODELL_VORDERACH wert_04 C08_DBC_MIN_AUSLOESEDRUCK wert_01 C08_DRUCKMODELL_HA wert_02 C08_DRUCKMODELL_VA wert_03 C08_MIN_DRUCKAUFBAU_GRAD wert_01 C0A_DBC_MIN_AUSLOESEDRUCK wert_01 C0A_DRUCKMODELL_HA wert_05 C0A_DRUCKMODELL_VA wert_06 C0A_MIN_DRUCKAUFBAU_GRAD wert_01 C09_DBC_MIN_AUSLOESEDRUCK wert_00 C09_DRUCKMODELL_HA wert_00 C09_DRUCKMODELL_VA wert_00 C09_MIN_DRUCKAUFBAU_GRAD wert_00 C0B_DBC_MIN_AUSLOESEDRUCK wert_00 C0B_DRUCKMODELL_HA wert_04 C0B_DRUCKMODELL_VA wert_05 C0B_MIN_DRUCKAUFBAU_GRAD wert_00 ZEIT_LANGDRUCK wert_01 C0D_DBC_MIN_AUSLOESEDRUCK wert_00 C0D_DRUCKMODELL_HA wert_00 C0D_DRUCKMODELL_VA wert_00 C0D_MIN_DRUCKAUFBAU_GRAD wert_00 C0C_DBC_MIN_AUSLOESEDRUCK wert_00 C0C_DRUCKMODELL_HA wert_04 C0C_DRUCKMODELL_VA wert_05 C0C_MIN_DRUCKAUFBAU_GRAD wert_00 DEFAULT_DRUCK_EINHEIT bar NACHDRUCK_AB_SP_STILLSTD wert_04 C0E_DBC_MIN_AUSLOESEDRUCK wert_00 C0E_DRUCKMODELL_HA wert_00 C0E_DRUCKMODELL_VA wert_00 C0E_MIN_DRUCKAUFBAU_GRAD wert_00 C0F_DBC_MIN_AUSLOESEDRUCK wert_00 C0F_DRUCKMODELL_HA wert_04 C0F_DRUCKMODELL_VA wert_05 C0F_MIN_DRUCKAUFBAU_GRAD wert_00 DRUCKMODELL_HA wert_00 DRUCKMODELL_VA wert_00
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05132013, 05:35 PM  #3 
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And psi appears:
DRUCK_EINHEIT psi K4119_DRUCK_PSI par_frei DELTA_PSI_BETA_LIMITKORR2 wert_02 DEF_DRUCK_EINHEIT psi C08_DELTA_PSI_BETA_LIMIT wert_03 C07_DELTA_PSI_BETA_LIMIT wert_02 C0A_DELTA_PSI_BETA_LIMIT wert_02 C09_DELTA_PSI_BETA_LIMIT wert_00 C0B_DELTA_PSI_BETA_LIMIT wert_02 C0D_DELTA_PSI_BETA_LIMIT wert_00 C0C_DELTA_PSI_BETA_LIMIT wert_02 C0E_DELTA_PSI_BETA_LIMIT wert_00 C0F_DELTA_PSI_BETA_LIMIT wert_02
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05142013, 10:00 PM  #6 
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Thanks buddy,
It seemed clearly designed to have a readout. There is a picture of a tire and a psi/bar/ipa option. Could it have been abandoned in development? What about auswertung_b_druck. What is that?
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05152013, 03:56 AM  #7 
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I don't know what it is, but you can try to active this, you won't brick anything, don't worry.

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05152013, 08:46 PM  #8 
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Could it be an option for including recommended tyre pressures?
As far as I was away the TPM doesn't measure pressure it looks a changes in wheel speed and can detect if a tyre is low. Or maybe I've been misinformed... 
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05152013, 10:02 PM  #9  
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Quote:
FTMbased on rotational speed.
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05172013, 05:05 AM  #10 
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05172013, 06:02 AM  #11 
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auswertung = evaluation; I'm still not sure what that value means
I too would love a direct psi readout but I don't think anyone has ever found a way to make that happen. 
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05172013, 09:05 PM  #13  
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05172013, 09:19 PM  #14  
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I personally hate that a pressure sensor goes off but won't tell which tire. 

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05172013, 09:24 PM  #15 
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I have it coded on my F25, I have not looked on my E93 for it, you would probably need idrive and you definitely need TPMS, the rotational sensor don't have the data.
This is was it is on the F25 to turn it on to show pressure and temperature for each tire. HU_CIC 3001 EXBOX RCD_SAFETY aktiv/werte=01
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05172013, 11:46 PM  #16  
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Quote:
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05252013, 06:50 PM  #18 
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Drives: Sold'07 e90 335xi
Join Date: May 2013
Location: Seattle, WA


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05252013, 07:00 PM  #19  
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My last company car had TPMS on the road wheels but not the spare, that's kind of dumb if you think about it. 

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