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      03-10-2026, 02:54 PM   #17
335xiE90
Private First Class
United_States
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Drives: BMW 335xi
Join Date: Jul 2022
Location: Massachusetts

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Quote:
Originally Posted by lookalikehuuh View Post
I wonder if its the newer one that is causing the issue... wouldn't be the first time new parts aren't as good as the originals... What brands O2s are you purchasing, and from where?

Bosch voltage regulators... im looking at you...

Do you have a log with MHD removed entirely? I think that would be a good baseline for us. Also some LTFT data might be useful. Also of note, the STFT are pretty close in these newer logs.
This is the one that is installed now - https://www.fcpeuro.com/products/bmw...ve-335is-17102

This is the one I just bought - https://www.fcpeuro.com/products/bmw...nt-bosch-17098

No logs for when MHD was removed. Ill get some tonite and ensure I include LTFT.
Appreciate 0