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Old 08-27-2011, 04:26 AM   #48
HakenTT
OEM ///Member
 
Join Date: Aug 2009
Location: gross deutsches reich USA
Posts: 572
My Ride: 323i with S54
Quote:
Euro 2 is the sw that deletes post car 02 sensors. Euro 3 deletes secondary air pump monitors.
How do you know this information?

So euro2 deletes post 02 sensors but secondary pump is on? And euro3 deletes secondary air pump but keeps the post cat 02 sensors on?

But I heard that this will make the OBD2 monitoring go into "system not ready" at Arizona state emissions testing?

I would be interested in something like removing cats and air pump and still pass emissions testing.
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