11-06-2021, 02:26 PM | #1 |
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Running JB4 with catless Downpipes
Hi, I'm running JB4 on my 2020 M5 Comp and occasionally get the catless downpipe detected fault code. Is there any way to permanently clear the fault code ? Can I run a custom map only to delete the fault code and stick to the JB4? The JB4 provides flexibility which normal tunes don't when you don't have constant access to higher quality fuel.
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11-06-2021, 11:55 PM | #4 | |
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11-07-2021, 09:07 AM | #5 |
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Per your account, it shows that you are located in India.
The Jb4 should be able to hide the code for you since you are outside of the US, contact BMS support.
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11-07-2021, 11:15 AM | #6 | |
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11-08-2021, 08:42 AM | #7 |
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Not sure to be honest as i have never done it but i remember when they first made the change to the JB4 and CEL, they said its only for US customers.
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