BMW 1-Series Forum (F20) 135i - > Second Generation 1 Series Forum > DIY Guides and Instructions > Retrofitting Bluetooth Extended + Nav
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      08-03-2019, 06:30 AM   #1
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Retrofitting Bluetooth Extended + Nav

Hi guys,
I"ve got the 125d from 2012 with basic screen and no combox in the trunk (so no navi, no extended bluetooth, etc).

Was reading on diffrent forum that it is possible to make an uprgrade only by changing the control unit & reprogramming in the e-sys

Found one, but struggling to decode it.

So my question is: Are those control units compatible and do they have extended bluetooth & nav functions?

Thank You
Appreciate 0
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