BMW 3-Series (E90 E92) Forum - View Single Post - N55 Rough Idle W/ catless dp after JB4 ISO?

eyim1988 · 04-10-2013, 01:22 PM

this is common, happened to me a lot before with a downpipe. But once i changed to my single 3 all the way from downpipe back never had a problem.

04-10-2013, 01:22 PM	#37
eyim1988 Lieutenant Colonel 98 Rep 1,647 Posts Drives: 2022 BMW M4 Join Date: Feb 2011 Location: Los Angeles, CA iTrader: (5) Garage List 2022 M4 [0.00]	this is common, happened to me a lot before with a downpipe. But once i changed to my single 3 all the way from downpipe back never had a problem. __________________ Current: 2021 X3MC Past: 2013 bmw 335i, 2011 bmw 335i coupe, 2016 bmw m3
	Appreciate 0 Quote