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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > BMW Fxx/Gxx B58 OBD Flashing is now supported by mFlasher
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      Yesterday, 09:15 AM   #375

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Originally Posted by ceedawg View Post
Read my post but yes I Understand that it would be the case if the car was tuned for a catless dp. AA and BM3 have such tunes for the N55 for folks whose concern is emissions inspections when their cars are equipped with high flow cats.

For.this tuner's(MP) B58 tunes I guess I am assuming that is the case. In NY I have never seen gasoline inspection in my 30 plus years of driving and owning. A sniffer For high CO2 and NO2 Emissions yes which is perhaps what you mean. Perhaps we are saying the same thing but gasoline would be under emissions ,no cat or damaged cat/muffler and other car equipment would be under physical.
I didn't say gasoline. NO2 and CO2 are gasses, which is what I was referring to.
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      Today, 04:13 PM   #376
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You can easily change the CO2 and NO2, etc. with changing a tune - air to fuel had a direct effect on emissions. Why do you think they run so lean? MPG and also Emissions. The hotter the burn the lower the emissions. More fuel means more will pas into the CAT and beyond the CAT.

Of course that begs the question now - what does this do to the CAT - and other components with the extra fuel...

Not trying to make it a big thing - just making sure I know what I am getting into thats all -
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