2008 E 63 emission control failure
01-27-2012, 12:15 PM
#1
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2008 E63, 1980 911SC
2008 E 63 emission control failure
My 2008 E 63 with MBH long tube headers and tuned ecu won't pass. Any clues on what to do other than going back to stock?
01-27-2012, 02:59 PM
#2
MBWorld Fanatic!
Even if u have cats sometime tuners tuner them off and won't pass inspection.
