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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Overboost stock 335i



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      08-05-2022, 04:01 PM   #1
Yeezus3351
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Drives: 2011 BMW 335i XDrive
Join Date: Aug 2022
Location: Canada

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Overboost stock 335i

I've got a n55 335i. Randomly I get a 2c56 and 2c58 code out of the dme. Also when I monitor my boost on mhd it hits about 22 psi when flooring it. I'm running on stage 0 as well. I replaced the boost solenoid this morning and checked the vacuum lines and charge pipe but still getting the same over boost issue. Does anyone have any other ideas as to what it could be? Here is my data log wot kickdown from 4th to 3rd with dsc off.

https://datazap.me/u/yeezus3351/over...og=0&data=4-14

Last edited by Yeezus3351; 08-06-2022 at 03:06 PM.. Reason: added data log
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