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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Trying to find a (mostly) CA smog legal setup for N55/335i



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      07-26-2017, 01:32 AM   #23
08TUNDRA
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Just need a downpipe fix and a smog shop that will let you go on the visual part, my guy is in Escondido. Im fully catless jb4, tial bov charge pipe, bms dci and i dont have a problem passing cause my car gets readiness.
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      07-26-2017, 10:17 AM   #24
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Originally Posted by RepBolt View Post
Excuse my ignorance as I'm still learning more about MHD. Like JB4, do you have to flash it back to stock and drive a certain amount of miles before taking it in to smog?
I don't know if you have to, but I flashed back to stock then drove it like that for a week or two before taking it in for smog check.
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      07-26-2017, 10:33 AM   #25
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Quote:
Originally Posted by RepBolt View Post
Excuse my ignorance as I'm still learning more about MHD. Like JB4, do you have to flash it back to stock and drive a certain amount of miles before taking it in to smog?
I think you do have to drive around. I was under the impression that adaptations are automatically reset every time you flash a new map (stock or otherwise)
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      07-26-2017, 11:07 AM   #26
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I think you do have to drive around. I was under the impression that adaptations are automatically reset every time you flash a new map (stock or otherwise)
Do a search for "drive cycle" and you will see what you have to do to after changing maps and before smog check. Rather than do that I flashed to stock and left it like that for a week or two of normal driving instead.
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      07-26-2017, 11:36 AM   #27
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Originally Posted by DrRobert View Post
Do a search for "drive cycle" and you will see what you have to do to after changing maps and before smog check. Rather than do that I flashed to stock and left it like that for a week or two of normal driving instead.
Yea, a "drive cycle" was what I was referring to. If you're not in a hurry, normal driving accomplishes the same thing over time.
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      07-26-2017, 06:38 PM   #28
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This is all good info. I'm leaning towards the MHD rather than the JB4.
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