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drdiabetes drdiabetes is offline
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Posts: 70
Join Date: Oct 2014
Car: bmw 335i e92 AT
Default 06-30-2019, 04:50 AM

Ntks also supposed to be for pre turbo atmosphere and mine failed after 200miles.
I don't know why they fail , I have seen ntk or bosch in big turbo subarus , audis etc where the exhaust manifold gets incandescent red and they don't fail.

I suppose that there is something else killing o2 sensors. May be external temperature?? By the way, I always kill the same sensor ( bank1). Bank2 never fail and it is also in a "unhealthy " atmosphere.


335i AT 2008
DOC RACE 6466 SINGLE TURBO
FUEL IT meth PI
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