Quote:
Originally Posted by r33_RGSport
I have catless downpipe on my 2012 528i, 2014 X5 sDrive35i and soon going in my 2015 650GC.
Brought to dealer to service as is, never have issues. It is not for everybody with faint of heart, LoL. Because if you are scared of getting caught, then you will have heart attack when you bringing the car in for service.
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That's crazy! Doesn't the "check engine" light pop up on the dashboard?