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      04-21-2022, 10:24 AM   #62
bmw335ie90
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Drives: 2011 335i M Sport
Join Date: Feb 2018
Location: Norcal

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Quote:
Originally Posted by NRigs View Post
No clue to be honest.
If you are still doing revisions, could you ask? It would be good information to have.

N55 has valvetronic to control engine load/air flow but I do not think many tuners fully understand how the tables work and its mostly guess and check. It makes sense why people have idle issues and part throttle issues with a lot of n55e tunes.

Your tuner seems to have ditched using valvetronic control and instead is using the throttle butterfly similar to how a n54 tune would be done.
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