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      04-05-2018, 08:22 AM   #34
AndrewC1989
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Drives: 2015 328d xDrive
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Quote:
Originally Posted by omasou View Post

I have a stock exhaust and ASD. The drone was horrible in Sport from ~2300-3000. Put the car in Comfort and it was better.

So is the lack of the resonator the part of the issue or mainly the ASD?
The stock exhaust already has a resonator built into it. What you're probably hearing is just the active sound. Code out the ASD or buy a bypass harness and you'll get a dramatic decrease in cabin noise.

https://technicpnp.com/product/asd-bypass-harness/
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