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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 01-19-2013, 08:46 PM
Jeff Kirkley Jeff Kirkley is offline
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Location: Melbourne Australia
 
Join Date: Jan 2013
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Mein Auto: 330i
Satnav Radio issue

Hi, my radio/satnav cuts in and out after about 1/2 an hour. And yesterday it shutdown the
whole screen display, when we came back after a while it was working again.Is this a common unit problem?
Is it possible to upgrade with a later version unit?
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  #2  
Old 01-19-2013, 09:02 PM
Zeichen311's Avatar
Zeichen311 Zeichen311 is online now
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Location: Here, there or in transit
 
Join Date: Mar 2011
Posts: 2,549
Mein Auto: '11 335xi Sedan
Before you even think about the expensive pieces: How old is your battery?
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2011 335xi Individual 6MT - Azurite Black Metallic / Oyster & Black / Anthracite Maple + all the good stuff

   N47 35' 30.13" E11 10' 33.36" - End of break-in...you can guess what came next. BMW CCA
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Old 01-20-2013, 03:08 AM
hondo402000 hondo402000 is offline
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Location: Charlotte, NC
 
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Mein Auto: 2007-335 HTC
unless things have changed, When the car is running, all the accessories are running off of the alternator, and to check to see if the alternator is working, when the car is running, with a Digital Volt Ohm meter, put the red lead on the batt positive terminal and the black on a ground and you should read 14.7 volts, or what ever the output of the alternator is. This should have nothing to do with the battery

Hondo
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Old 01-20-2013, 07:23 AM
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Zeichen311 Zeichen311 is online now
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Mein Auto: '11 335xi Sedan
Quote:
Originally Posted by hondo402000 View Post
This should have nothing to do with the battery
Aging batteries are well-known to trigger all sorts of electronic mayhem on late-model BMWs. Ruling out a tired battery is a worthwhile first step when diagnosing any bizarre behavior of this sort.
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2011 335xi Individual 6MT - Azurite Black Metallic / Oyster & Black / Anthracite Maple + all the good stuff

   N47 35' 30.13" E11 10' 33.36" - End of break-in...you can guess what came next. BMW CCA

Last edited by Zeichen311; 01-20-2013 at 07:58 AM.
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