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      11-24-2019, 04:20 PM   #1
Su37su
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Help Identify Battery wire

I was checking my battery this morning and found this wire with the end taped with electrical tape.
It's the black and yellow wire.
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      11-24-2019, 04:58 PM   #2
Dpc2u
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Not 100% sure, but it appears to be the BST wires. I know some people bypass it by putting a 2ohm resistor to the wires. Unwrap the tape and see if there is a resistor there. If so, the BST (battery safety terminal) has been bypassed at some point.
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      11-24-2019, 08:51 PM   #3
Su37su
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No resistor on the wire.
I just got the passenger restraint safety malfunction and thought/hoped it was just some loose wires and not the sensor inside the seat.
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      11-25-2019, 08:36 AM   #4
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Quote:
Originally Posted by Su37su View Post
No resistor on the wire.
I just got the passenger restraint safety malfunction and thought/hoped it was just some loose wires and not the sensor inside the seat.
This will cause a restraint system issue if it is to the BST, which it appears to be.

https://f30.bimmerpost.com/forums/sh...php?p=21395282
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