BMW 3-Series (E90 E92) Forum - View Single Post - New to USA/Cali

pjd · 02-05-2013, 03:00 AM

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

02-05-2013, 03:00 AM	#1
pjd New Member 2 Rep 8 Posts Drives: e90 m3 Join Date: Jun 2012 Location: Oakland iTrader: (0)	New to USA/Cali - Smog testing info 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
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