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 Post subject: cruising problems (ms41.0-ms41.2 conversion)
PostPosted: Tue Apr 02, 2024 4:24 pm 
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Joined: Tue Sep 20, 2022 4:17 am
Posts: 6
recently i did a conversion to ms41.2, flashed a 328i bin with working ac which was attached in a post for conversion and car ran. Problem now is that cruising is almost imposible since with a steady throttle car jerks like crazy no matter the rpm or gear. anyone have any clues what that could be? i was playing a bit with deceleration maps to get rid of rev hang, maybe something there is making this? rev hang still there tho lol.
attached a log just cruising at 50kmh and last read tune from ecu


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 Post subject: Re: cruising problems (ms41.0-ms41.2 conversion)
PostPosted: Wed Aug 21, 2024 1:23 am 
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Joined: Tue Nov 10, 2020 12:36 pm
Posts: 354
Location: Germany
check dashpot settings.

also compare a stock ms41.0 b28 bin to this "converted file". if needed, manually go through all the deceleration and dashpot tables and change the ms41.2 to stock ms41.0 values. some tables in 41.2 may not appear in ms41.0.

could be a starting point...

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https://youtube.com/@CSI_tuning_solutions


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