Quote:
Originally Posted by MattH
As I reported here, I failed the first go around with the smog referee because the software security checksum codes didn't match the factory BMW code.
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I have to take my 2011 135i to a STAR station in the next couple of months. I've been running MHD, but uninstalled it to prepare for the SMOG test. I noticed that after uninstalling MHD and checking for codes it displays the checksums... which don't match. I'm concerned that I'm going to run into the same issue as you. Has anybody actually had recent luck uninstalling a tune and passing SMOG?