So now that I installed the DP, at cold start, the idle is harsh. I'm thinking that if the other side was open, it would smooth it out a bit. What is this 'plug' you guys are talking about? I'd rather do that than do the wire gig.
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2013 F30 335i ///M-Sport
Forgestar/Challenge/BMS JB4
Wagner/Evo Race/M-Performance
2016 F15 50i ///M-Sport
BM3/H&R/Borla
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