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      10-27-2014, 08:17 PM   #11
joelcn91
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Drives: 08 135i
Join Date: Sep 2014
Location: Bedford VA

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It ended up being a tiny crack in the charge pipe, an bad plugs… I changed both an the problem is gone. Now I get misfires on cold start that go away when the car warms up??? o2 sensor maybe? Happened after changing the downpipes to catless...
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