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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications Downpipe only 1/4 mile and 0-60 results

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      02-15-2024, 12:54 PM   #1
Dan Villa
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2020 BMW M340   [9.75]
Downpipe only 1/4 mile and 0-60 results

I was finally able to get a 1/4 mile run in as well as a before and after comparison of my 0-60. I hopes this video will provide some insight on what to expect from a downpipe and stock tune on a 2020 M340 xdrive.
https://youtu.be/FRF1JUIACso?si=mB5c2JljWFUvvNbS
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      02-15-2024, 02:19 PM   #2
GA/\/\/\/\A_CT
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Great vid and thanks for sharing.

What catback are you running? Was that catback on when you ran your stock 0-60 of 3.9?

To me the 1/4 mile time and speed was more compelling than the 0-60 time savings. Though, I am curious what you d/a was on that one 1/4 mile run. Was it a single data point (ie one run only)?

I’ve got that AA DP, too, and it’s been great for sound…and thanks for confirming it makes some power…my butt dyno concurs.
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      02-16-2024, 11:16 AM   #3
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Thank you for sharing
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      03-27-2024, 11:30 PM   #4
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What were your draggy times before downpipe?
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      03-28-2024, 01:04 PM   #5
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Quote:
Originally Posted by Gryph8n View Post
What were your draggy times before downpipe?
Pretty sure he said he did not do a 1/4 mile prior to the downpipe.
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