No power for navigation unit

D

dyerkes

Member
 South Riding, Virginia
I just finished installing a factory navigation system in my 2005 Z4 3.0i, but I can't seem to get power to the NAV DVD unit. The retrofit instructions that I used indicated that pins 5 and 11 on the backside of the radio supply the power to the unit, but when I test those pins for voltage I get nothing. While I realize that my existing CPU needs to be re-programmed to know that a navigation unit has been installed, I would not have thought that the re-programming would have resulted in these two pins getting power. Does anybody know if that's true? The radio and CD function without issue.

Thanks,
David
 
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