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      03-02-2021, 04:19 PM   #7
Polo08816
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Drives: 2014 335i M Sport
Join Date: Sep 2010
Location: MD

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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.
Is CG precision still available for sale?
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