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      03-26-2020, 11:44 AM   #21
M340_pilot
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Drives: 2020 M340i
Join Date: Mar 2020
Location: Ft Worth

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Quote:
Originally Posted by mike@x-ph.com View Post
If your car is flash tuned, it will take care of the CEL. If your car is stock or uses a piggyback then Active Autowerke downpipe is certainly worth it.

I can vouch for it as we have many customers using it without a single issue reported
I've been planning to get a tune...just wanted to wait a few more months/miles before doing it. Now I'm trying to figure out if I go with mission performance or someone local in Tampa/Orlando. Mailing my ECU to California isn't really doable unless I take some time off work.
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