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      07-05-2013, 05:22 AM   #220
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Drives: e93 330d
Join Date: May 2011

Posts: 173
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Originally Posted by Gav-d3 View Post
I have a 2007 e90 pre LCI with the Professional HU
It doesn't have USB or bluetooth just the AUX input with old style gong !

Can I upgrade this without too much work ?

Any help would be great !
You have to follow the whole DIY...

1- Swap the HU
2- Install the USB wire and the USB socket
3- Install the MIC with its wire
4- Recode the new HU cheating your production date
5- Recode your kombi for getting the new DONG style.

Why don't do it by your self?
Retrofitting is always possible!
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