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BMW 3-Series (E90 E92) Forum
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hi system update?
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| 01-20-2010, 11:57 AM | #1 |
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Private First Class
 
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hi system update?
i am planning to buy either the bmw performance intake or exhaust with in a month. I was reading through some threads for info and a few of them said that getting an intake or exhaust and to actually use its benifits i would have to get a system update?
can someone explain this to me? thank you |
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