Tyre pressure Monitor

Tizzy · 09-05-2007, 04:54 PM

Anyone else had a problem with this? My car's done 8K miles (Jun 07) and I did have a suspected puncture on the O/S/R tyre a couple of weeks ago, which the tyre monitor picked up and displayed very prominently on the I-Drive screen. The tyre had lost 7-8 PSI and gradually got worse, so the system was correct, or so I thought.
Now driving along you sometimes get the Tyre Pressure Warning screen coming up - you pull over to check the pressures and lo and behold, they're all OK, so you hit reset, drive off and all is well for a few days, then it does it again. The annoying thing is when it comes on, on a high-spped motorway, you've no way of knowing that it's spurious, so you have to pull over to check the pressures, only to find that they're OK. I need to take it back to a dealer and get them to re-set the system as it's obviously some kind of system error.

- Paul - · 09-06-2007, 01:03 AM

Not heard of it but you may get more response if you cross post it here

http://www.e90post.com/forums/forumdisplay.php?f=12

aswell.

London320d · 09-06-2007, 12:48 PM

Get you dealer to check it out. The runflat indicator is normally reliable. You almost certainly have a fault. It could be a dodgy sensor on a wheel or the IDrive controller module.

(For reference, the runflat indicator works by monitoring the circumference of the wheel by measuring the speed that it is rotating. So a dodgy wheel sensor would cause spurious warnings)

09-05-2007, 04:54 PM	#1
Tizzy New Member 0 Rep 15 Posts Drives: BMW 320d M Sport (E90) Join Date: Jun 2007 Location: Lincolnshire iTrader: (0)	Tyre pressure Monitor Anyone else had a problem with this? My car's done 8K miles (Jun 07) and I did have a suspected puncture on the O/S/R tyre a couple of weeks ago, which the tyre monitor picked up and displayed very prominently on the I-Drive screen. The tyre had lost 7-8 PSI and gradually got worse, so the system was correct, or so I thought. Now driving along you sometimes get the Tyre Pressure Warning screen coming up - you pull over to check the pressures and lo and behold, they're all OK, so you hit reset, drive off and all is well for a few days, then it does it again. The annoying thing is when it comes on, on a high-spped motorway, you've no way of knowing that it's spurious, so you have to pull over to check the pressures, only to find that they're OK. I need to take it back to a dealer and get them to re-set the system as it's obviously some kind of system error. __________________ 2007 320d MSport (E90) Sparkling Graphite, Prof. Nav, Bi-Xenons, Heated Seats & an Ipod!
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09-06-2007, 01:03 AM	#2
- Paul - Major General 695 Rep 7,308 Posts Drives: see above. Join Date: Apr 2005 Location: Yorkshire, UK iTrader: (5) Garage List 2005 320D SE [10.00] 2005 645 [9.00]	Not heard of it but you may get more response if you cross post it here http://www.e90post.com/forums/forumdisplay.php?f=12 aswell. __________________ My Photos
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09-06-2007, 12:48 PM	#3
London320d Second Lieutenant 6 Rep 275 Posts Drives: '06 E90 320dSE Join Date: Feb 2006 Location: London, England iTrader: (0)	Get you dealer to check it out. The runflat indicator is normally reliable. You almost certainly have a fault. It could be a dodgy sensor on a wheel or the IDrive controller module. (For reference, the runflat indicator works by monitoring the circumference of the wheel by measuring the speed that it is rotating. So a dodgy wheel sensor would cause spurious warnings)
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