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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Navigation, iDrive, Audio, Video, Bluetooth, Phone, Cameras, Electronics > TCB?
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      06-25-2017, 01:56 AM   #1
Jdmdc5teg06
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TCB?

Hey everyone,

is this a TCB that I have in my trunk? My car came with HU_Entrynav and I retrofitted NBT a while ago. For some reason I still can't get good location accuracy no matter where I mount the GPS antenna. I have tried looking relentlessly for threads and PM'd a bunch of people for answers and I still don't have a clue.

Basically, What is connected to this box? And does this box go connected to the shark fin? What's that blue fakra connector? My car didn't come with navigation from factory like I said but why do I have this blue fakra there?





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      06-27-2017, 09:43 AM   #2
Rick4345
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Quote:
Originally Posted by Jdmdc5teg06 View Post
Hey everyone,

is this a TCB that I have in my trunk? My car came with HU_Entrynav and I retrofitted NBT a while ago. For some reason I still can't get good location accuracy no matter where I mount the GPS antenna. I have tried looking relentlessly for threads and PM'd a bunch of people for answers and I still don't have a clue.

Basically, What is connected to this box? And does this box go connected to the shark fin? What's that blue fakra connector? My car didn't come with navigation from factory like I said but why do I have this blue fakra there?





That's what the label says.
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      06-27-2017, 03:12 PM   #3
Jdmdc5teg06
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Quote:
Originally Posted by Rick4345 View Post
That's what the label says.
I've never seen a combox so I don't know what the difference is. Thanks for your reply though
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      06-27-2017, 03:24 PM   #4
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Sorry to pile on you but searching for "Combox" helps in how it looks...

Quote:
Originally Posted by Jdmdc5teg06 View Post
I've never seen a combox so I don't know what the difference is. Thanks for your reply though
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