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      08-20-2021, 04:23 PM   #10
Brigadier General

Drives: 08 328xi Touring
Join Date: May 2017
Location: ohio

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Originally Posted by josephtaye View Post
Just with MHD I might have read the information wrong through MHD disables them. And no DP fix have been used, the only code is system to lean nothing about O2 sensors unless thatís tied into it 🤔
MHD turns off the light for the readiness monitor.
it does not "turn them off"
and it won't let you pass emissions testing for the catalyst.

I'd suggest you talk to any of the notable tuners in the n54 scene, wedge, aa, somebody, and send them logs of it and ask them.
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