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      10-11-2018, 04:36 PM   #6
technician117
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Drives: 2000 M5, 2001 M5, 2013 M5 6MT
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Quote:
Originally Posted by cars22 View Post
thanks for the reply. I have 2 monitors not ready with my tune on but with the tune off it comes ready but the CEL comes on
Unfortunately (and as you probably know) you can only have 1 monitor not set. How quickly does the CEL come on when you remove the tune? You might be able to squeeze enough miles in to get the monitors to set prior to the light coming on. Otherwise you're looking at buying a set of used cats to swap in once per year. There are probably some coding tricks to get it working as well.

Good luck
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