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Technical Topics B48 4-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications 2020 330i catless downpipe?

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      01-02-2020, 08:24 PM   #1
Kipplur
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2020 330i catless downpipe?

Hey all, I just picked up a 2020 330i and absolutely love it!


I wanted to keep the stock exhaust so I can keep the valves, I was wondering how much of a difference getting a catless downpipe would alter the exhaust notes, would it pop and crackle more? Also throwing a check engine light is a concern!

Please and thank you!
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      01-03-2020, 10:41 AM   #2
mike@x-ph.com
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Quote:
Originally Posted by Kipplur View Post
\would it pop and crackle more? Also throwing a check engine light is a concern!
yes it will make more sound, pops and crackles.

Yes you will get a CEL, you need bootmod3 to hide the code
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