Quote:
Originally Posted by v3.0si
this is true...
i guess i was operating under the impression that if one were to replace the stock airbox with a CAI and put in an RPI scoop, might as well just remove the carbon filter and save some $$$.
i should have been more clear.
but... yes. if you do anything at all to your intake and BMW discovers this, they may pin failures on the vehicle owner's modifications rather than put the repairs to warranty.
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I just want to add while I'm aware in general, any "modification" is grounds for a tech to avoid certain work, I recall reading an actual TIS specific to the charcoal filter removal.
Found the thread:
http://bimmerfest.com/forums/showthread.php?t=157656
Granted it's for the S54 but I'd imagine same issues apply.