06-23-2023, 08:19 AM | #1 |
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M5 CS exhaust
Hi i have an european M5 CS so with GPF... The sound is....
I want to put a Milltek GPF delete with secondary cat delete. I have seen that the Leib gpf module don't always work... What i must put not to have limp mode? I will not do a tune. Thanks for your help. |
07-18-2023, 11:33 AM | #2 |
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There's three stages of resolution to opf delete. Once you have physically removed them you must have the Lieb pressure sensors to avoid limp mode. Second you can perform a opf registration via ISTA software to account for new range of pressures and hopefully avoid CEL. If all else fails you can run a OBD2 module that just clears the opf impossible pressure CEL every 60 seconds so it never shows on the dash.
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