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      03-31-2015, 02:03 PM   #25
badblack550xi
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Drives: F10 550i 2011 F90 2020 COMP
Join Date: May 2013
Location: NJ

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Quote:
Originally Posted by r33_RGSport View Post
It depends on which BMS tune.
If you have the JB4 Stage 2, it will self clear the CEL.
I had it in my F10 528 and F15 X5, both with catless and never see the CEL for being catless.
Not on N63 motors
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