BMW 1-Series Forum (F20) 135i - > Second Generation 1 Series Forum > DIY Guides and Instructions > NBT EntryNav to HU a few questions
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      09-26-2019, 04:15 PM   #1

Drives: BMW M140i
Join Date: Sep 2019
Location: North wales

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NBT EntryNav to HU a few questions


a little help required.

First BMW, and got retrofitting bug.

Ok, as the title suggests I've purchased a NBT HU to upgrade my business nav. It has already been programmed with my VIN so hopefully not going to be to painful.

I searched forums to find out what to do with the white (arm rest USB) cable and Green TMS cable.

So people are basically saying trim the outer keying guides, and remove clip s then rotating 180. However, I've also been told that the TMS blue cable in the boot needs the same attention. Is this the case? Obviously I don't want fry the unit.

Also, with regards to the service records is this easy to transfer?
Does the service management system come from the head unit?

Thanks in advance.
Appreciate 0
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