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12-03-2024, 04:34 PM
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#3
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BimmerPost Supporting Vendor
Drives: 2015 BMW M4
Join Date: Nov 2011
Location: Anaheim
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Generally speaking 200 cel cats arent enough to keep the CEL off without a tune. Some of the high quality cats like GESI or HJS might keep it off but I would anticipate a CEL with a high flow catted midpipe.
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