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He said not speed dependent, so I’d look at engine mounts. Perhaps one collapsed and 2k is a resonant frequency.
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‘06 e91 manual 325ix BarriqueRot
over Terra (one of 1), Nav, Sport, L7
A few OEM+ mods:
MTech front bumper, MSport wheel & handbrake, 4AD trim, full rear shades, more to come…
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