10-24-2023, 10:46 AM | #1 |
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Disable Active Sound Design (ASD) to Improve Harmon Kardon Sound
For those who are frustrated with the Harmon Kardon sound on our G80s, I have gained some additional wisdom that may help others as we figure out how to best improve our systems.
It is known that the ASD (Active Sound Design, aka Fake Engine Noises) interfere with the sound quality coming out of our Harmon Kardon speakers. Apparently this is from a Digital Signal Processing standpoint as the sounds/frequencies are competing with the processing ability of the RAM and Booster as you play music. So I read about Bimmercode and got the e-NET cable, downloaded the app to my laptop and bought the $50 license. I was rather pleased with all of the custom coding I could do with the app BUT apparently they still have some work to do in perfecting the coding to turn off the ASD. I noticed that after I coded out the ASD, it reduced the sound of the ASD but I could still tell it was there. I guess it partially turned it off, however that occured. My next step was to install the Bimmertech Alpha One amp and that made a VERY NICE IMPROVEMENT in the sound. I still noticed some oddities around the quality of the sound on certain songs and also intermittently it seemed. It was the damned ASD. Just this morning, I went ahead and had Bimmertech do the remote coding session to kill off the ASD and bingo! That did it. I currently still have the stock Harmon Kardon speakers but wow, it woke up the system, with the Alpha One amp also installed. I feel now that the sound is slightly better than my 2016 F80 Harmon Kardon. I did order the full set of Bimmertech Alpha One speakers so I'll report back once those are installed but I'm rather optimistic about how this is all going to sound once I install those. The big takeaway here is to get rid of the damned ASD. At this point, until Bimmercode gets it figured out, you'll need to go with a confirmed solution such as Bimmertech's.
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10-24-2023, 11:16 AM | #2 |
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you can disable asd 100% via bimmercode by deactivating the activation code, it's very easy to do -
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10-24-2023, 11:57 AM | #3 |
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All I know is that I did in fact use the Bimmercode app, on my laptop and 'deactivated' not only the toggle for ASD in general but also all of the sub ASD menu toggles. ASD had additional entries for 'exhaust burble', 'upshift sound', 'downshift sound' and some others. I shut them all off. For me, it made a difference but it did not entirely eliminate the ASD altogether. If there is some additional way of doing this, via the Bimmercode app, not using the UI within the Bimmercode desktop app, then I'm not aware.
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Mods // JB4-Stage 2/BMS CAI & Chargepipes / Turner Motorsports Intercooler & CSF Heat Exchanger / Turner Shifter, Transmission & Thrust Arm Bushings / NGK Laser Iridium 2 steps colder plugs |
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10-24-2023, 12:01 PM | #4 | |
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10-24-2023, 01:17 PM | #5 |
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10-24-2023, 01:45 PM | #6 |
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Drives: E46 M3 Coupe/G80 M3CX
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I love the active sound, especially the shift noise WHOOOOMP.
The car sounds like a Honda minivan with asd off. |
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10-24-2023, 02:12 PM | #7 |
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Hey your WHOOOMP is what I call POOORT, 😂 I finally got rid of it. I like my Honda.
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10-24-2023, 04:15 PM | #8 | |
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So, give the minivan a try for a few weeks. |
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10-25-2023, 11:40 AM | #9 |
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I hated ASD but turning it off showed me how bad the G82 needs an aftermarket exhaust. Would love a full catback from Akrapovic but not up for 11k. I keep saying to myself “leave it stock”
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10-25-2023, 11:48 AM | #10 |
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Heh. As I'm sure you are aware, there are a lot of solutions between stock and $11k titanium catback. At a BMWCCA meet last month a member had a simple Dinan XPipe which was like $700 and about half that for install and it really woke things up!
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10-25-2023, 12:11 PM | #11 |
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A full catback can be had for as little as $1700 single midpipe from AA and $1700 for a MAD axleback. Can also go with AA's axleback for a little under $2000. Not "cheap" by any means but nowhere close to $11k.
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10-25-2023, 12:53 PM | #12 | ||
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As far as the install, that’s the easy part. I use a custom exhaust shop that does great work and is cheap. 190 for the ER install and 250 for the Dinan axel back. |
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10-25-2023, 01:57 PM | #13 |
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10-25-2023, 02:39 PM | #14 | |
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Also, in the garage, a cold start from the e46 shakes the house, the g80 is pretty tame in comparison. Last edited by Forzanerazzurri; 10-25-2023 at 02:53 PM.. |
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10-25-2023, 04:05 PM | #15 |
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12-05-2023, 08:36 PM | #16 |
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12-05-2023, 09:52 PM | #17 |
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12-07-2023, 11:25 AM | #18 |
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One of the best mods
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12-08-2023, 11:33 AM | #19 |
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12-12-2023, 09:52 PM | #20 |
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I’ve had the ENet cable and adapter for a couple months.
This thread got me off my butt to turn all the fake sounds off. It wasn’t really noticeable until the update. The added burbles really made the car fake and got on my nerves more and more. Now I’ll see what the M Performance muffler sounds like and decide on X or Single mid. |
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12-13-2023, 07:44 AM | #21 | |
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Does this really improve the sound from the stereo? I can't believe how horrid it sounds.
I don't have ASD coded out but I do have the button off at all times. Quote:
Thanks! |
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12-13-2023, 09:01 AM | #22 | |
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As for the quality, I highly doubt it actually affects anything. There's supposedly some noise cancellation or EQ going on with ASD from the speakers but I couldn't really hear that much of a difference over there just being no engine noise coming through the speakers. Only real way to drastically improve the quality is a system swap and an amp. |
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