08-05-2020, 04:57 PM | #23 | |
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08-05-2020, 06:33 PM | #24 | |
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08-05-2020, 07:21 PM | #25 | |
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Also, I realized I'm speaking in the M2C section. I wonder if the anti-lag affect is less noticeable since s55 have twin smaller turbos, instead of the M2 larger one. |
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08-05-2020, 08:59 PM | #26 | ||
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I agree there is a known benefit to the 1-2 pops in between shifts while under load. However, There is no benefit being able to accelerate from 5-10kph over and over while it's constantly burbling in sport + mode. No real boost has even been gained yet at that point. Not to mention you can feather the pedal while decelerating to keep a constant flow and pops...
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08-05-2020, 09:06 PM | #27 | |
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Instead of modulating the throttle to keep burbles continue, I modulate it to stop them and quiet them down. Just a light press of the pedal stops them completely. If I'm driving aggressively in a neighborhood, I lightly hit the pedal before the big bang comes. |
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08-05-2020, 09:21 PM | #28 | ||
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The M2C is worse in my opinion and I hope the DataDisplay will be able to tune it out without a DME unlock. At the end of the day it's all user preference until we start controlled testing and logging boost levels with runoff burbles tuned to 0 vs stock
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08-06-2020, 02:13 AM | #29 | |
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I'm pretty sure that the burbles are part of the DME programming, and turning them on/off has no effect and no ill-effect on performance
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08-06-2020, 06:47 AM | #30 | |
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08-06-2020, 07:19 AM | #31 | |
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08-06-2020, 08:03 AM | #32 | ||
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The M2 and M2C have a lot to offer which makes the exhaust burbles irrelevant as a deciding factor for these cars. As owners, we have the right to adjust aspects of this car. You're basically telling people who mod their car to buy something else if they aren't happy with how it came from the factory.
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08-06-2020, 11:49 AM | #33 | |
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08-07-2020, 09:17 PM | #34 |
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I won't get into if the burbles actually do anything performance-wise. In my opinion (and I stress opinion) they are just for noise and don't do anything for performance. Mine (both stock and BM3 Stage 2 AGG with burbles set to maximum) would only burble below 5K-ish RPM, so it would have no anti-lag effects at high RPM WOT, which is where you'd want it (and yes, I had the burble RPM range set up to the redline).
Sick of the fake, obnoxious noise, I just disabled ASD outright. I cannot recommend that enough. Quieter inside the car, no fake burbles, it lets out a pop between shifts (6MT), and it also has a mild rumble on low RPM deceleration. Obviously anyone can mod / not mod their car how they want, but I think this is the perfect option for getting rid of a lot of the artificiality of the S55 exhaust note. As to the OP's original question, I can't help. I removed my DME and had it bench unlocked and tuned with BM3. However, if there's a way to turn off ASD/burbles without the bench unlock, I wouldn't hesitate. |
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08-07-2020, 10:13 PM | #35 | |
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Now, if you're at 5k under low load and low throttle input, yea the turbo won't be spooled. But who casually drives above 5k? |
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08-10-2020, 04:25 PM | #36 |
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I can disable burbles with ak motion display, it just mark or unmark the options and burbles are gone
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08-10-2020, 04:39 PM | #37 | |
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Separately, have you considered buying a Tesla? No burbles - at all - plus there's the 'Insane' mode for when you absolutely, positively have to go the full Samuel L Jackson on someone at the lights... Edit: Also, how did you dispense with ASD, because that there is some seriously irritating fakery on an M car. Last edited by M Fifty; 08-10-2020 at 05:15 PM.. |
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08-10-2020, 07:15 PM | #38 | |
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08-11-2020, 01:51 AM | #39 |
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Not the person who you responded to... but I coded it out with BimmerCode on my 18' and I have the technic pnp harness ready for the 21'
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08-11-2020, 02:36 AM | #40 | |
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Whats up with all the comments: buy prius, buy tesla?? New era of ( youtoube cool) stuff such as pop and crackles is not for everyone. Dsg farts, overrun farts. WTF? Whats wrong with clean exhaust sound? I am not going to buy a prius or tesla,,,, a I am going to buy an old analog car when i am done with m2c. |
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08-11-2020, 09:11 AM | #41 |
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Validation that the exhaust burbles/pops can be disabled without tuning the car
In the post below, there are a few fellow members who confirmed that they can turn off the exhaust burbles via Burkhart Data Display AK-Motion. https://f87.bimmerpost.com/forums/sh...3&postcount=24 Last edited by No_curebimmer; 08-11-2020 at 10:59 AM.. |
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08-11-2020, 10:01 AM | #42 |
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08-11-2020, 10:03 AM | #43 | |
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I almost bought a 991.2, but chose the M2C for its practicality and all-in-one package. I don't recall hearing any overbearing popping sounds (if any at all) upon deceleration on the twin-turbo motor fitted in the previous Neunfer version. So the German engineering is capable of implementing twin-turbo engines without the burbles that some would do without. P.S. Unsolicited side-note: in my opinion, nothing to this day beats the sound the Lexus LFA V-10 72-degrees engine/exhaust produced. I still shiver when I hear it in YouTube videos. True engineering at ITS BEST, and like many, I still lust over that car, even though it's approaching a decade in design... |
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08-11-2020, 10:05 AM | #44 |
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