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      07-03-2015, 12:09 AM   #10
loesch
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Drives: 2011 BMW 135i M Sport
Join Date: Feb 2012
Location: State College, PA

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Quote:
Originally Posted by BMW135pls View Post
It's droney, right around 2-2.5k it drones a lot, especially with the AA DPs. Can make casual conversation difficult if you are slugging along in the bottoms of gears, but driving alone with or without the radio on, it never bothered me. Once you reach 3k, the engine tone opens up as I think it becomes unresonated above that point.

There is also a mod that you can do which will reduce cabin engine tone if it bothers you. I did it, actually by accident, but I like it better this way.
+1. That's a very good description of the sound qualities of the AA gen 1.
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2011 135i M Sport 6MT LeMans Blue | Active Autowerke Gen II axle back | Berk d******* | N54 gutted mids | FuelIt Walbro 450 fuel pump | Pure Turbos Stage 2 | 3.5bar TMAP | Pure Turbos inlet pipe | BMS intake | BMS oil catch can | ETS intercooler | ETS charge pipe | BMS JB4 w/ ISO firmware | BMS backend flash stacked on PPK | Eibach springs | Whiteline rear subframe bushing inserts | cosmetic tidbits
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