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      11-17-2012, 10:16 AM   #4
mweine
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Canada
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Drives: BMW 1M, BMW M3 CS
Join Date: Aug 2012
Location: Montreal, Quebec, Canada

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1989 BMW M3  [0.00]
The only issue with this retrofit is that the vehicle SW cannot be programmed to accept the retrofit permanently. Therefore, if Service is required, which requires SW intervention, the retrofit will have to be removed before BMW could access the vehicle's SW as it would be in error status since it's serial number is linked to the OEM configuration. This is the reason why I have not upgraded my 2009 DVD based nav to the 2010 HDD based nav system
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