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      03-02-2021, 11:29 AM   #5
thejeremyman9
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Drives: 2015 BMW 335i
Join Date: May 2019
Location: Cali

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Quote:
Originally Posted by mike@x-ph.com View Post
Active Autowerke, CG precision and Fabspeed are the top 3. They perform the same, sound very similar, and guarantee no CEL guarantee. All three fit without any issues.

You have a very high chance of getting a CEL with all the other brands.

If your car is not tuned with bm3, I recommend you get one of the three brands mentioned. It won't matter which one.
This is the correct answer. I went with fabspeed, but that's before they raised the price even more (although i think some vendors still have it cheaper). I was able to get it on sale for around $1125, but i dont think i could ever recommend someone pay over $1800 for it. As long as you are EWG, AA is probably the way to go.

And yes, every single other brand that i am aware of has been reported to give a CEL. If you don't care about that or the emissions aspect then any catted should reduce the smell. Just depends on what you need to get out of it.
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