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Old 12-03-2012, 05:00 AM   #3
Registered User
Join Date: Mar 2008
Location: OC
Posts: 282
My Ride: 2005 M3
New York's emissions testing requirements are the same as California, meaning a tail pipe sniffer probe test and OBD II testing to ensure no emissions equipment is disabled or running out of specification. NY like Cali, requires a test bi-annually in order to renew plate tags. Unless you got the hook-up to "buy" your way out of getting a legal test, a cat free M3 will run very dirty thereby failing the sniffer test, and with the post cat O2 sensors disabled by ECU software, the M3 will fail the OBD II test. Operating your sled cat free is not only irresponsible on several levels, but it will cause you more headache than it's worth.
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