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BMW 3-Series (E90 E92) Forum
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BMW E90 SOS after TCU--> Combox
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10-15-2018, 04:54 AM | #1 |
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BMW E90 SOS after TCU--> Combox
Hi Guys,
I've been searching a lot around, but find nothing related to this. MY BMW E90 2009 came with no USB in armrest (only in glove box) Bluetooth calling, but no audio, and with SOS assist function. Since i bought it used the assist function and connected drive services are already expired. i did not bother to renew them. After a lot of searching and hard work and coding i changed my TCU to the combox to get USB in armrest and Bluetooth Audio. Also installed an aftermarket alarm system, after somebody tried cutting my door handles to get in my car and steal it. The problem is this, somewhere there seems to be something wrong, cos if i don't use my car for more than 10 days to 2 weeks, then when i come back and open the doors, it gets connected and call immediately to the emergency services and i hear someone speaking through the speakers and asking me if i am ok. I say its a wrong call because of disconnected battery of my kids pushed the button. Its slowly getting annoying I also notice that the date/day and the Km left to tank empty are all reset to zero ( battery drain)? Any clue or suggestions why this would be happening. Cheers |
10-18-2018, 02:39 AM | #2 |
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Come on 67 views and no replies?
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10-18-2018, 04:03 AM | #3 |
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disconnect all wires from combox except MOST, power, ground, mic, aux (if you wired it), this will keep these functions work and disable e-call
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10-18-2018, 04:15 AM | #4 |
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For how long ?
when do i connect them back? Do you mean when i don't use my car for longer than 2 weeks? |
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10-18-2018, 11:43 PM | #5 |
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check if it helps yes, for same time period
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E81 2007 130i 6cylinder Montego blue
Retrofits: Harman Kardon, High-beam assistant, Removable tow hitch. Auto-dim folding exterior mirrors. Lumbar support. Perfomance Brakes. |
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10-19-2018, 01:48 AM | #6 |
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10-19-2018, 03:26 AM | #7 |
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this will ensure that you wouldn't burn any circuit
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E81 2007 130i 6cylinder Montego blue
Retrofits: Harman Kardon, High-beam assistant, Removable tow hitch. Auto-dim folding exterior mirrors. Lumbar support. Perfomance Brakes. |
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