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      01-12-2013, 05:59 PM   #27
Second Lieutenant
bernard54321's Avatar
Drives: 2009 328I E90
Join Date: Dec 2012
Location: l.a. california

Posts: 282
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2009 328I E90  [0.00]
im a smog tech in l.a. if your cats are in place and all oxygen sensors are not tampered with or relocated you should pass. everything after the cat and post 02s is not smog realted but i have seen a few people fail for it :/ idiot techs....

engine wise you can do whatever the hell you want as long as it comes with a c.a.r.b. e.o. approval number on it
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