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miwitte miwitte is offline
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Default Detecting if a BEF is installed - 04-07-2019, 07:16 PM

I have been trying to get my car smogged and have O2 and *** not ready. Someone suggested possibly someone has flashed the car before I had it and that could be the issue maybe they deleted the rear O2s. Car definitely had JB4 at one time, as I saw tool marks on the sliders when I put my JB4 in. Any help here I'm 2+ months out of registration and have to get 10 day extensions when troubleshooting this thing.

I have BMW tools etc inpa to look at things but no clue where to start. There should be someway to verify things are modified.
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 04-15-2019, 04:17 PM

A JB4 log will let you see if its been flashed or not! May not be helpful if there isn't one on it currently.

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