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faffo faffo is offline
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Join Date: Oct 2019
Car: E93 335i
Default 11-20-2019, 03:13 AM

Originally Posted by dmckmc
If you are outside the USA the JB4 can be used to keep the CEL clear. In the USA I believe you will have CEL on any map as you are removing emission hardware. Any 'fix', however you see it advertised, is simply a cover up and will only hide the code from YOUR view. If your state has tight emission inspections, your car will fail because it will likely never reach a state of emission 'readiness'. There are many threads in this and other BMW forums about this topic and can be overwhelming to sift through them. PM me and i'll share what I can to help.
thanks for the reply, i'm from Italy, i'm not worried about emission inspections, i will reinstall the cats when i have to do inspections. i prefer to not hide the CEL, i want to "tell" at the lambda that the values she read with *** are correct
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