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      07-21-2018, 09:57 AM   #10
exE36M3
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Drives: 2015 435i M Sport
Join Date: Jan 2018
Location: NorCal

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Thanks Louie - agreed. The intake charge pipe and IC are kind of the easy ones followed by a tune. Some threads mentioned a catted high-flow downpipe which is something to consider too. But my past experiences with non-OEM DP are that they tend to last barely 4 years (smog to smog check).
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