G87 BMW M2 and 2Series Forum - View Single Post - Rough idle sound after AA catted DP install

viperx100 · 04-07-2023, 10:15 AM

Hey guys,

Has anyone who installed the AA catted DP experience a rougher idle afterward? The sound goes away as soon as I give it a tiny bit of gas and the RPMs go up. The car was gully warmed up at this point. Any ideas?

04-07-2023, 10:15 AM	#1
viperx100 Lieutenant 632 Rep 462 Posts Drives: 2022 BMW M240i Join Date: Jun 2015 Location: Rockville, MD iTrader: (2) Garage List 2022 BMW M240i xDrive [10.00]	Rough idle sound after AA catted DP install Hey guys, Has anyone who installed the AA catted DP experience a rougher idle afterward? The sound goes away as soon as I give it a tiny bit of gas and the RPMs go up. The car was gully warmed up at this point. Any ideas?
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