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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Does jb4 map 3 need to adjust adaptations everytime?



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      03-20-2013, 04:01 AM   #1
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Does jb4 map 3 need to adjust adaptations everytime?

Based on what I understand everytime that you switch off from map 5 the adaptations are reset so once you go back to map 5 they must be set again.

Is this how it works for map 3 (meth) as well? If it does I won't switch off the meth map ever then.
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      03-20-2013, 09:26 AM   #2
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Only map 5 is auto learning. Map 3 does not learn/adapt.
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      03-20-2013, 10:21 AM   #3
bigdaddycane
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I was under the understanding that ANY map needed adaption when you switched (maps) or upgraded the firmware.
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      03-20-2013, 12:01 PM   #4
Jeff@TopGearSolutions
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Ignition may require some adaptation. If you have sufficient methanol on 3 it shouldnt require that much correction though, if any.

Last edited by Jeff@TopGearSolutions; 03-20-2013 at 12:09 PM..
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