Quote:
Originally Posted by Mike@N54Tuning.com
Catted pipes still can generate codes on newer cars as the BMW software is pretty strict in its o2 sensor tolerances. The o2 sims plug into the ECU so you would leave all the o2 sensors where they are.
Mike
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Are the sims easily spotted by techs? Also, im assuming its kind of a pain to get the ecu out n mess with it, moreso than my JB+?