Tyre pressure monitor
11-11-2005, 11:46 PM
#11
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Originally Posted by BMW#5' post='197107' date='Nov 12 2005, 01:44 AM
It is not a tire pressure monitor system.
Correct - I should not have referred to it as such.
It indirectly detects pressure loss by measuring a higher wheel speed at the wheel which has the puncture.
My wife's Renault has the pressure sensors on each wheel. But I wonder if this just introduces more risk (when getting tyres changed/replaced), or potential points of failure.
Does the BMW system not use info from the existing ABS system/sensors?
Correct - I should not have referred to it as such.
It indirectly detects pressure loss by measuring a higher wheel speed at the wheel which has the puncture.
My wife's Renault has the pressure sensors on each wheel. But I wonder if this just introduces more risk (when getting tyres changed/replaced), or potential points of failure.
Does the BMW system not use info from the existing ABS system/sensors?
You are correct, the ABS wheel speed sensors are used to detect the flat
11-12-2005, 07:05 AM
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It is not a tire pressure monitor system.
Correct - I should not have referred to it as such.
It indirectly detects pressure loss by measuring a higher wheel speed at the wheel which has the puncture.
My wife's Renault has the pressure sensors on each wheel. But I wonder if this just introduces more risk (when getting tyres changed/replaced), or potential points of failure.
Does the BMW system not use info from the existing ABS system/sensors?
Correct - I should not have referred to it as such.
It indirectly detects pressure loss by measuring a higher wheel speed at the wheel which has the puncture.
My wife's Renault has the pressure sensors on each wheel. But I wonder if this just introduces more risk (when getting tyres changed/replaced), or potential points of failure.
Does the BMW system not use info from the existing ABS system/sensors?
You are correct, the ABS wheel speed sensors are used to detect the flat
[/quote]
They're going back to actual sensor starting in March 06.
11-12-2005, 11:17 PM
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Originally Posted by BMW#5' post='197107' date='Nov 12 2005, 01:44 AM
It is not a tire pressure monitor system.
Correct - I should not have referred to it as such.
It indirectly detects pressure loss by measuring a higher wheel speed at the wheel which has the puncture.
My wife's Renault has the pressure sensors on each wheel. But I wonder if this just introduces more risk (when getting tyres changed/replaced), or potential points of failure.
Does the BMW system not use info from the existing ABS system/sensors?
Correct - I should not have referred to it as such.
It indirectly detects pressure loss by measuring a higher wheel speed at the wheel which has the puncture.
My wife's Renault has the pressure sensors on each wheel. But I wonder if this just introduces more risk (when getting tyres changed/replaced), or potential points of failure.
Does the BMW system not use info from the existing ABS system/sensors?
You are correct, the ABS wheel speed sensors are used to detect the flat
[/quote]
Where is this info from ?
It sounds strange, since they have just switched all models to the non-pressure system
11-12-2005, 11:59 PM
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Originally Posted by E60Speed' post='197529' date='Nov 13 2005, 12:17 AM
Where is this info from ?
It sounds strange, since they have just switched all models to the non-pressure system
It sounds strange, since they have just switched all models to the non-pressure system
http://forums.e60.net/index.php?s=&showtop...ndpost&p=151755
11-13-2005, 03:17 AM
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does the FTM alarm tells you exactly what specific tire has low air?
I suppose....can anyone confirm?
I suppose....can anyone confirm?
11-13-2005, 08:34 AM
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No, it does not tell you which tyre it thinks has a problem. Which is nasty.
Mine has gone off three times in 10 days. The first time was a real puncture (on the day I picked the car up - dealer fitted a new tyre to replace). The second time it went off I took it to a tyre place, they said one tyre was 2lb down, but found no puncture (but did not take the tyre of the rim, just did an external inspection). I reset the monitor and its gone off again five days later. Checked all four tyre pressures, they're OK - to within a couple of pounds of each other in pairs. Reset monitor again. If this carries on I shall get a bit grumpy! Anyone else with over-keen TPM?
Neil
Mine has gone off three times in 10 days. The first time was a real puncture (on the day I picked the car up - dealer fitted a new tyre to replace). The second time it went off I took it to a tyre place, they said one tyre was 2lb down, but found no puncture (but did not take the tyre of the rim, just did an external inspection). I reset the monitor and its gone off again five days later. Checked all four tyre pressures, they're OK - to within a couple of pounds of each other in pairs. Reset monitor again. If this carries on I shall get a bit grumpy! Anyone else with over-keen TPM?
Neil
11-13-2005, 08:42 AM
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[color=red]Mods:[/color]
[color=blue]M tech sport steering wheel with M5 SMG paddles working retrofit done !
Trunk lid opening button retrofit done.[/color]
[color=blue]3M window 35% tint done
Chrome grilles
E60.net Clings
[/color]
Originally Posted by NMatthew' post='197677' date='Nov 13 2005, 12:34 PM
No, it does not tell you which tyre it thinks has a problem. Which is nasty.
Mine has gone off three times in 10 days. The first time was a real puncture (on the day I picked the car up - dealer fitted a new tyre to replace). The second time it went off I took it to a tyre place, they said one tyre was 2lb down, but found no puncture (but did not take the tyre of the rim, just did an external inspection). I reset the monitor and its gone off again five days later. Checked all four tyre pressures, they're OK - to within a couple of pounds of each other in pairs. Reset monitor again. If this carries on I shall get a bit grumpy! Anyone else with over-keen TPM?
Neil
Mine has gone off three times in 10 days. The first time was a real puncture (on the day I picked the car up - dealer fitted a new tyre to replace). The second time it went off I took it to a tyre place, they said one tyre was 2lb down, but found no puncture (but did not take the tyre of the rim, just did an external inspection). I reset the monitor and its gone off again five days later. Checked all four tyre pressures, they're OK - to within a couple of pounds of each other in pairs. Reset monitor again. If this carries on I shall get a bit grumpy! Anyone else with over-keen TPM?
Neil
hey man, you should post some pic of your rear entertainment system. I think you are the first one here. Come one pics pics pics please
11-13-2005, 01:18 PM
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Originally Posted by Peter530i' post='197683' date='Nov 13 2005, 09:42 AM
hey man, you should post some pic of your rear entertainment system. I think you are the first one here. Come one pics pics pics please
Its NICE!
11-14-2005, 06:25 AM
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Originally Posted by jackbutler' post='198050' date='Nov 14 2005, 11:23 PM
Can you view your tire pressure through idrive at any time?
jack
jack
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