I tried to do a recording with my gopro but it couldn't really capture it unfortunately.
It only makes the noise when in gear, you wont hear anything in neutral.
The frequency changes very slightly based on speed but its generally very consistent. The other thing that's been throwing us off is that it will stop and then start back up again for no apparent reason.
Appreciate your input, I'm actually from Traverse City living in the LA area now.
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‘08 335Xi FBO (RWD Conversion) / PURE600 / JB4 MHD Backend / Precision RW Coils / VRSF Piping / COBB Catback / xHP / xDelete / BC Racing Coilovers / Fuel-it Stage 2 / Wagner Tuning FMIC / Turbosmart BOVs
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