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I have a 2003 z4 with airbag light on. Code is 5BSR open circuit firing circuit safety battery terminal. It would not clear. I then attempted to Bypass with a 2.3 ohms 2 watt resistor and this allowed the code to be cleared but it comes back later on a re start.
I am puzzled as why the bypass allows clearing but does not fix the issue and it comes back. I checked the BST and it was not showing any resistance. I than bought a used BST that had 2.3 Ohms resistance coming from the BST. I am still not sure why the bypass is permanent fix for some but not for me. Any ideas
Barry Calgary Canada
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