o the 545i Spt have a Tire Pressure Monitor Syst?
11-08-2004, 06:57 AM
#11
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Originally Posted by big_ipaq' date='Nov 8 2004, 10:18 AM
[quote name='browellm' date='Nov 8 2004, 11:50 AM']Why do you want to turn the system off?
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[/quote]IMO, we have some of the worst roads in Europe, I've never had an accidental trigger.
11-08-2004, 03:20 PM
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Originally Posted by Rudy' date='Nov 8 2004, 04:50 AM
[quote name='alohalc' date='Nov 8 2004, 02:12 AM']if one inflates same pressure to four tires, doesn't have to reset the ftm, right 
?? it'll trigger the system when one or more have different pressure.? please correct me if i'm wrong 
.
?? it'll trigger the system when one or more have different pressure.? please correct me if i'm wrong .[snapback]53738[/snapback]
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[/quote]i inflated my tires before iceman came. well, you know how big he is
. but i didn't reinitialize the system and nothing happened so far. hope i didn't do anything wrong .
11-08-2004, 03:39 PM
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I am sure you can not turn the system off. I am also pretty sure you do not need to reinitialize after you change the tire pressue. If the tire pressue is equal in the front tires and equal in the rear tires (although not the same pressure front and back) the system seems to adjust. My .02
11-08-2004, 03:47 PM
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Originally Posted by juan2mini' date='Nov 8 2004, 06:39 PM
I am sure you can not turn the system off. I am also pretty sure you do not need to reinitialize after you change the tire pressue. If the tire pressue is equal in the front tires and equal in the rear tires (although not the same pressure front and back) the system seems to adjust. My .02
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05-02-2005, 12:00 AM
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Originally Posted by Rudy' date='Nov 7 2004, 08:13 PM
The tire pressure sensors used in the E60 are not transponders mounted in each wheel.? Instead, the system uses rotational sensors and only detect a significant loss of pressure.? This type of system is found on many cars (especially SUVs) these days because it's very inexpensive to implement.? The rotational sensors are already present due to ABS and various forms of traction control.
You'll be able to play with your pressures without any problems.? Once you inflate the tires to your desired pressure, you simply initialize the FTM (flat-tire monitor) in iDrive and you're good to go.
You'll be able to play with your pressures without any problems.? Once you inflate the tires to your desired pressure, you simply initialize the FTM (flat-tire monitor) in iDrive and you're good to go.
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05-02-2005, 01:15 AM
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Just reinitialize the FTM in the settings menu of iDrive and you should be good to go...nothing has to be hooked up, etc. with the new wheel installation.
05-02-2005, 05:42 AM
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I experimented using the tire pressure settings for min and max loadings. ( 4 psi difference front/ 7 psi difference rear). I was prepared to reinitialize FTM, but choose not to just to see what would happen. So far no alarms under either the high or low settings. So I have to go along with FTM looking for the one differential in comparison to its mate(s). U could set if off with tire spin under a variety of conditions as well (ice, wheel spinning launch 
, etc).
, etc).
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