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12-31-2015, 10:24 AM | #1 |
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JB4 lag fix F10 535i
Hey guys I have some lag issue since muffler delete. I can't remember what settings I can play with in jb4 to fix lag. I'm running 7.25 gals of e85 as well and hit 17-18psi but lag has increased since muffler delete.
No codes. Only other mods BMS intake. Thx
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12-31-2015, 04:15 PM | #2 |
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I had lag after my delete, but I am running a flash tune so additional settings for me. A DP seems to have helped, but not entirely. After having custom j pipes added my lag disappeared and I had a notable increase in responsiveness and TQ.
They say that muffler delete and DP should just help since we have turbos. I will agree that it does at freeway speeds. Street usage it's not the best application. So not sure how JB4 deals with that maybe higher initial boost? and if there is a setting that deals with a muffler delete and it fixes the lag give us your review.
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12-31-2015, 04:33 PM | #3 | |
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12-31-2015, 08:47 PM | #4 |
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So did some research on J pipes gonna go that route Monday hopefully and update. Would love to see pics of ur set up. Thx
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01-01-2016, 01:29 PM | #5 | |
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01-01-2016, 04:03 PM | #7 |
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Sounds like going muffler delete isn't the way to go.
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01-01-2016, 04:06 PM | #8 | ||
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01-02-2016, 08:18 PM | #9 |
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Not sure why they didn't load on the other post.
[IMG]http://s11.postimg.org/bqo7ga96b/image.jpg[/IMG]
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01-03-2016, 12:54 AM | #10 | |
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01-03-2016, 06:57 PM | #11 |
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I posted in the other thread but does adding a DP fix the lower rpm lag issue?
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01-03-2016, 09:55 PM | #13 | ||
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01-04-2016, 12:51 AM | #14 | |||
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I used this formula and it worked perfectly. http://flg8cc.com/vb4/showthread.php...nd-application Can't wait to hear the delete with j pipes. Mine now sounds like the golf t mod, but my new GFB DV+ is super audible. I think a have a very modest upgrade in sound it's not overly aggressive.
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01-04-2016, 01:05 AM | #15 | |
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01-04-2016, 01:35 AM | #16 | ||||
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01-04-2016, 11:42 AM | #17 | |||||
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01-04-2016, 11:57 AM | #18 | ||||||
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01-04-2016, 02:04 PM | #19 |
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Ok so got it done sounds little deeper but I think I have lost some top end torque vs gaining any low end smh. Might just drive few days to absorb changes and see what I feel may go back reverse the process if not 100% satisfied.
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01-05-2016, 01:13 AM | #20 | |
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01-05-2016, 09:37 AM | #21 |
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Hmmmm...all for muffler delete fellows? I'm still in the market for an exhaust and this was really my 1st option but is it a hit and miss or do all 535's gonna have the same low end issue?
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01-05-2016, 03:11 PM | #22 | |
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So far I'm happy. Not much low end lag fix but make it up more than enough at high end.
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