Quote:
Originally Posted by NorCalJess
I’m having the same issues as some of you guys had. I been driving a lot and doing the cycle thing. Also having a full tank while running the monitors. My car is also a 335is. The Evap and Oxygen sensor monitors won’t set. I have MHD and flashed it back to stock and no luck.
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You have to take it to the dealer for them to flash back to stock. Went through this shitshow years ago before I sold the car.
MHD flash back to stock isn’t the same as it’s just a generic version of a stock map. You need the stock map for YOUR CAR which only the dealer has access to.
Just tell them to get the monitors ready for you as part of the service. By law, they are required to help you get the car ready for smog.