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      01-16-2013, 02:43 PM   #11
chrisko
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Drives: 2016 M3
Join Date: Dec 2012
Location: Rockville, MD

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Quote:
Originally Posted by TT1351 View Post
Quick question (or 2, or 3), I have an 08, with JB4, on auto clear I get no codes, once I switch off I get the code, (I have aftermarket catted DP's, that still throw the code). My question is if I clear the code before my OBD2 emissions test, and set the JB4 back to stock the 0 0 setting (so the inspection station can access the ECU), does the autoclear erase total memory of all driving history, or just the code. I don't want to go in have it inspected and have them tell me there is nothing stored in the ECU, and to go drive it a while an come back after the ECU logs data.

If everything gets erased I suspect the Buerger MS dp fix might be the way to go, and can it be installed in the pin out JB4 version, I have directions for the Pnp versions but not for pin out. TIA, Fran Need to fix this soon been running on a rejection sticker for way to long.
Not 100% sure but i know the BMS DP fix works for sure. I have been told the JB4 with autoclear doesn't prepare readiness; however, I've also been told if you clear it RIGHT before you go to the emissions (Maybe even while you're waiting there) and turn autoclear off, it should pass.
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