Do NOT attempt any repair to the airbag system without first reading the fault codes. ANY repair on a vehicle without reading fault codes is absolutely dumb. You may think you know what's wrong, but unless you read out the fault codes, you are merely guessing. Don't just throw money at the car unless you are sure you know what is the problem. If you don't know what wires and cables are part of the BST system, then I would highly recommend seeking the advice of a professional.
And if you think adding a resistor to an airbag wiring harness that is part of the vehicle's safety system and could save your life, then you need to think again. Repair it properly. It's your life and the life of your passengers!
ASE and BMW Master Certified Technician
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