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      02-05-2013, 07:12 AM   #2
MSPORTWORLD
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Drives: '11 M3 MW/FR - '12 M3 FO/SC
Join Date: Dec 2008
Location: California

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Quote:
Originally Posted by pjd
Hi All,

Im new the USA & California.

What is the deal with smog testing? How often, etc?
Can cars pass this test with modified / aftermarket exhaust systems?

I'm thinking of modding a e90 m3 (2008).

Thanks
I love california but I'm really glad to not deal with smog anymore
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