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      10-22-2013, 10:55 PM   #24
Nucking Futs!
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Drives: E70 X5 M
Join Date: Feb 2008
Location: Dallas, TX area

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2013 BMW X5 M  [0.00]
Quote:
Originally Posted by M3PO View Post
It will likely come on later. I have the Fabspeed X-pipe which looks nearly identical to this and it took quite a while to come on. It will also go off again after a while on it's own. Very intermittent.
Yeah, I read about that with Fabspeed's X-pipe with HFC's. I believe they use 200-cell cats while I have no clue what aFe uses on their HFC's. Regardless, that's why I'm going to wait until multiple owners of this X-pipe have put a decent amount of miles on it to confirm whether or not it activates the CEL.
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