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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Custom MHD tune question

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      02-12-2025, 03:45 AM   #1
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Custom MHD tune question

If you have a custom tune made can you still change multimap on the fly switch power percentages using the custom tune?

E.g. 70,80,90,100% power?

I'd hate to lose that ability or changing octane if needs must where 98 isn't available.

Is the above possible with custom tunes on MHD platform anyone know?

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      02-12-2025, 10:30 PM   #2
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Quote:
Originally Posted by 3t3p View Post
If you have a custom tune made can you still change multimap on the fly switch power percentages using the custom tune?

E.g. 70,80,90,100% power?

I'd hate to lose that ability or changing octane if needs must where 98 isn't available.

Is the above possible with custom tunes on MHD platform anyone know?

Cheers
Yes tuners can set different fueling and torque targets per map.
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      02-13-2025, 03:16 PM   #3
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But it's like the tuner has to make the files to those specs.

You can't mess around with it yourself after the fact like I currently can with MHD OTS?
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      02-14-2025, 01:18 AM   #4
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Originally Posted by 3t3p View Post
But it's like the tuner has to make the files to those specs.

You can't mess around with it yourself after the fact like I currently can with MHD OTS?
If you have a custom tune with MHD's custom rom logic then yes you can set the torque limits yourself, and if it's like bm3 then it is per gear as well. But im not sure if that's possible with ecutek.
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