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      03-21-2018, 08:58 AM   #1
themishmosh
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Drives: BMW X1 xDrive35i
Join Date: Apr 2014
Location: United States

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JB4 Bluetooth Connect V3 power?

Having trouble registering with N54tech so I am asking here.

I am getting code 387f which is a power code. the Bluetooth Connect dongle power is supposed to be connected to the TMAP power (per Burger Tuning). The Bluetooth Connect install instructions says connect it to any of the red wires in the JB4 loom (there are 2 red wires). Is there a way to tell which is the TMAP power?

Anyone else getting this code? I thought it was my battery but I replaced it and still get this code. Before I clipped the JB4 board diode and went ISO and installed the Bluetooth Connect V3, I wasn't getting this code. The JB4 power is from the 50A fuse per instructions. Help!
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X1 35i, H&R springs, Bilstein HD shocks, BMS JB4, BMS chargepipe, xHP trans flash
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