Quote:
Originally Posted by Billfitz
Not in a car, that's for sure. The difference in how well a $70 driver works compared to how well a $300 driver works in a high end stereo speaker is slight, and can hardly be heard in a perfect listening environment. A car isn't a perfect listening environment by any means. If BMW used $10 drivers there would be room for major improvement, but they don't.
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Excellent advice, Bill!
I just want to add to this thread that guys keep trying code out the ASD engine noise and have problems by doing so. The simple and 100% effective solution is to install a hardware fix, the ASD bypass harness from Technicpnp, about $55.
https://technicpnp.com/product/asd-bypass-harness/
The ASD is a box near the BMW audio amplifier under a panel in the left alcove of the trunk.
Note: I went through lots of gyrations trying to find an ASD that my dealer parts department swore that I had based on my VIN. Then I was told by Technicpnp that they had never seen as ASD installed in a built for the US F3x 3-series. Apparently the UK model 3-series might have gotten an ASD.