Seems like there's a lot of confusing but I'll try my luck.
Just got DP and axle back installed (+JB4 stg2) and I'm noticing a weird rattling sounds, very quiet. So quiet that when the aircon is on, I can't hear it (or it disappears). Anyways, it happens more frequently when I turn the wheel OR when I give it a slight rev to like 1000 RPMs.
The sound resembles two pieces of plastic vibrating against each other. It sounds like it's coming from somewhere in my dash, not too sure. It's annoying the hell out of me and I don't know what to do -_- Don't see how DP + exhaust and JB4 can do this lol.
2011 N55 135i | Wagner Tuning Highflow DP | AA Signature Exhaust | JB4 Stage 2 | LCI Tails | ER CP
2016 M3 | AWE Switchpath Diamond Black 102mm