12-22-2021, 09:04 PM | #1 |
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Downpipe + tune
So I plan on getting the VRSF catless downpipe. I have the 2021 330i B46 and obviously I can’t use bm3 cause of the bench. What other tune did you guys use? Also what’s up with guys having the car shake and rattle at a certain gear or in different driving modes?
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12-23-2021, 08:29 AM | #2 | |
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What's funny is that I have yet to get a CEL from the DP and I am not running any sort of O2 spacer. Guess I got lucky.
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12-23-2021, 09:30 AM | #3 |
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I recommend the active autowerke catted downpipes instead, no CEL, no fuel smell.
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12-23-2021, 07:25 PM | #4 | |
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12-24-2021, 09:33 AM | #5 | |
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12-24-2021, 03:04 PM | #6 |
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I haven't. However, someone said this about my problem "I have had this happen a few times and I was stock. I find the shifting response isn't aggressive enough sometimes in comfort and never aggressive enough in eco….but I get it, eco should only be used cruising on a highway. But it just puts too much load on the engine". So I'm guessing it's a problem with the car in general and the downpipe just exposes the problem even more.
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12-24-2021, 10:48 PM | #7 | |
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01-07-2022, 09:55 AM | #9 |
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Depends on the brand, the majority of them use the same downpipe for both models
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