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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > X Series > X3 F25 (2011 - current)

X3 F25 (2011 - current)
The latest X3 brings some added style and some new features to the BMW SUV family. Talk about the new F25 now!

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  #1  
Old 04-22-2011, 05:59 AM
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fl_cyclist fl_cyclist is offline
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Location: Weston, FL
 
Join Date: May 2008
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Mein Auto: 2012 Z4 35is
Weird Problem

A couple of days ago I'm driving around 75mph (in a 70 zone) and I notice on my Garmin GPS it says 85mph? Strange the speedo is normally about 2mph lower than the garmin. I get home and shutoff the car and the speedo is stuck at 60mph and the tach at 1500 rpm? So next day the whole instrument cluster is FUBAR the fuel mileage guage is pointing straight up, the speedo says 100 when I am going 70 the tach is messed.

So I call BMW and schedule a service call. Today I get in the X3 and everything is zero'd and the speedo is right on with the garmin.

Anyone else run into this. I cancelled the service call since this is not a critical problem I'll just wait to see if it surfaces again.
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  #2  
Old 04-22-2011, 07:25 AM
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harplayr harplayr is offline
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Location: Chicago
 
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Posts: 3,229
Mein Auto: 2011 BMW X3 28i
I would go ahead with the service appointment.
My guess would be a faulty connection or a bad board, but it should be checked out.
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  #3  
Old 04-23-2011, 09:35 AM
alanintx alanintx is offline
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Mein Auto: 2011 F25
I would also suggest having the service folks take a look at it. My last BMW also had strange electrical issues (related to the audio system) that somehow where magically resolved overnite. The service folks explained that the car does a "reset" when it is left off for a while. I'm not sure if I buy that, but the problem occurred maybe a half dozen times over 3 years, so I let it go.

Your issue is safety related, so I'd pounce on it.
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  #4  
Old 04-23-2011, 11:14 AM
Glen E Glen E is offline
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Location: SE USA
 
Join Date: Jan 2011
Posts: 334
Mein Auto: 12 z & 09 Accord Coupe
before you take it in, try a simple reset- all cars these days are rolling computers and sometimes things get confused - esp if batt voltage is low - ever walk into a BMW dealership and see a hood open and the batt being charged? It's because when they get low they can do strange things....Volkswagen even has a temp solar panel installed in their cars on the dash for cars sitting at port for this reason..Remembr if you put a voltmeter on a batt and it's less than 12.2 when not running, you might begin to have problems....The old 7 series even has a master off switch we called the "airport" switch to kill everything in the car that was not needed in storage for long term parking.

You want to do a real reset, disconnect the batt, and reconnect after touching the batt cables together to drain the electricity out of the capacitors - then reconnect and have your radio code ready - all settings everywhere will be lost.

Last edited by Glen E; 04-23-2011 at 11:25 AM.
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  #5  
Old 04-23-2011, 06:39 PM
alanintx alanintx is offline
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Mein Auto: 2011 F25
Great idea and makes sense, especially the rolling computer remark. On my 2002 5-series (E39), I put special leads on the battery (which was was easily accessible) so that I could attach a trickle charger when I was out of town on extended trips. On my 2008 3-series convertible (E93), I knew where the battery was, but it was not easy to get to, so I did not bother.

I hate to say it, but I have no idea where they hid the battery on the F25. If I had to take a guess, I would think its in the back on the passenger side somewhere.
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  #6  
Old 04-25-2011, 06:24 AM
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fl_cyclist fl_cyclist is offline
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Location: Weston, FL
 
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Mein Auto: 2012 Z4 35is
Well, it came back yesterday so I have a service appt scheduled for tomorrow morning. I'll let them figure it out, it is clearly a problem with the guages zeroing correctly. So probably a computer glitch since I doubt all of the guages or sensors would be bad. Seems like zero voltage is not being read correctly when the car is shut off.
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