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Old 02-01-2013, 09:04 PM
!Achtung! !Achtung! is offline
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Location: NA
Join Date: Feb 2013
Posts: 5
Mein Auto: 2005 M54alloverthefloor
Unfortunately it can be caused by the nav unit, if you want to seclude the navigation unit and be sure that it is the cause of the draw and not the wiring, then disconnect the unit and continue driving vehicle for a few days and see how it does over night. E53 X5 is VERY notorious for having Blower unit Final stage causing a draw and the AUX fan. I would start with those first as it is rare for the nav unit to be the cause, although it still very well can be the cause
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