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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > bootmod3: Rolling ANTILAG (DEMO) - Advanced End User/Tuning Features (Part 3)

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      10-29-2020, 01:11 PM   #1
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bootmod3: Rolling ANTILAG (DEMO) - Advanced End User/Tuning Features (Part 3)

In the previous video we demonstrated bootmod3's on-the-fly map switching using steering wheel controls allowing users to flash the car once and then select between any 4 maps that can be custom tuned to suit your modifications, octane and racing needs:

https://f80.bimmerpost.com/forums/sh....php?t=1768838

In today's demo video we're showing another new tuning feature that is in the works by the bootmod3 dev team called ANTILAG. To trigger it you simple press UP and hold on the cruise button on the left side of the steering wheel. While holding it, the DME switches to an internal antilag tuning strategy and tables where antilag RPM, ignition timing, accelerator pedal threshold, target load/boost and other values can be configured to dial it in as needed.

In this demo, vehicle is a 2015 BMW F80 M3, RPM is set to around 4k rpm, with accel pedal threshold at 100% (driver needs to go WOT to trigger it). In 1-2 seconds after triggering it, this car running ASR Kratos turbos, is able to hit 30psi! Turbo lag goodbye!

We've added logic to ensure pressing the button UP on its own does not trigger ANTILAG mode until pedal and RPM thresholds are reached (both of which are tunable in the map). In addition, any of the 4 on-the-fly switchable maps can be set to have antilag enabled or disabled so the user can configure it to their needs (e.g. map1 no antilag, but map4 all the antilag/boost, etc.)

bootmod3's rolling antilag feature is end user configurable from the app on-demand so any of its parameters can be altered on-demand while driving without turning the engine off and reflashing.

All the advanced tuning features such as map switching, antilag, flex fuel, are in progress of being ported as many if not all vehicles currently supported by bootmod3.

Hope you enjoy this video!

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      10-29-2020, 01:52 PM   #2
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My most anticipated feature. And just in time for winter, so I can really put my snow tires to the test!!
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      10-29-2020, 02:51 PM   #3
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Very nice!

I see flex fuel is enroute, very very nice! I will likely be making the switch over from MHD as a result (this of course depends on the final product of MHD vs BM3 and how all these features are implemented in both platforms).
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      10-30-2020, 09:19 AM   #4
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Quote:
Originally Posted by F87source View Post
Very nice!

I see flex fuel is enroute, very very nice! I will likely be making the switch over from MHD as a result.
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      11-02-2020, 06:17 AM   #5
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So epic! I can't wait to try this
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      11-02-2020, 07:37 AM   #6
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Does this work for manuals?
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      08-20-2023, 11:47 AM   #7
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How’s this working for everyone? When is something like this useful? Just updated to v6. Will try this out.
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      08-23-2023, 04:23 PM   #8
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Quote:
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How’s this working for everyone? When is something like this useful? Just updated to v6. Will try this out.
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Simple easy to use, keep rpm above 3k, hold the click, floor gas, you will know when to release gas pedal.

I do it all the time and love it, especially how the exhaust sounds.
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      08-23-2023, 07:55 PM   #9
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Updated to v6 this weekend. Tried it but couldn’t get it to work. Tried it first click, tried it on the second click. Nothing. Myb I didn’t have a free enough road to be flooring the car.

If I’m already flooring the gas, is that not on its most scariest boosted part? The turbo is already working at this point isn’t it?

I presume this is not something you’d need/use when on a twisty canyon road ride. I’m also on a manual.
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      08-24-2023, 03:03 AM   #10
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Quote:
Originally Posted by vrooooom View Post
Updated to v6 this weekend. Tried it but couldn’t get it to work. Tried it first click, tried it on the second click. Nothing. Myb I didn’t have a free enough road to be flooring the car.

If I’m already flooring the gas, is that not on its most scariest boosted part? The turbo is already working at this point isn’t it?

I presume this is not something you’d need/use when on a twisty canyon road ride. I’m also on a manual.
yup, I guess it's a little bit hard to use on twisted roads.
I only use it on straights without close distance front cars.

Hold the click(1 or 2 I don't think would matter). After flooring, you would hear exhaust roaring but RPM stays within a small range, than release the click. Need a little bit practice but once muscle memory is built, it becomes easy. The whole process just take 2-3sec.
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      08-24-2023, 03:52 AM   #11
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I have to look for a long and clear road to try this out. offhand though it's already scary flooring this engine for several secs let alone trying to get this anti-lag to work.
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