Thread: N54 Backfiring?
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      02-04-2013, 05:20 PM   #22
andrewc89
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Drives: 2017 M2 6MT | 2015 328d
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this is normal when removing cats and happens with my 6MT all the time, i love it. op isnt talking about the "gurgle" its an actual POP. heres a video. (this particular car is FBO, RB turbos and meth but i produce the same sound FBO, stock turbos and no meth)


Last edited by andrewc89; 02-04-2013 at 05:38 PM.