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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > FBO 435i N55 ***Bootmod3 Issues***
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      07-11-2019, 06:27 PM   #1
435guy
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FBO 435i N55 ***Bootmod3 Issues***

I'm running FBO and BM3 on my 435, but I know I'm not getting all the power I should be. It seems to be barely faster than my stock set up. I'm on Stage 2 93 Octane map. I checked for leaks multiple times and even broke down and took it into the shop... about a hundred dollars later, they told me I had no leaks.

I logged a third gear pull to redline. I'm not sure what to make of my map... any thoughts?

http://www.bootmod3.net/log?id=5d27be41c090c63adf3b63f9
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      07-11-2019, 06:58 PM   #2
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I really don't know much about this, but I see your timing on cyl 1 & 2 gets wonky about 5800 RPM and up. Maybe post up on the FB group as well.
https://www.facebook.com/groups/bootmod3/
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      07-12-2019, 05:14 AM   #3
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Try to reflash the map. Also, look at the "configure" section of your map (top right hand corner) and make sure there isn't a boost reduction per gear set.
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      07-12-2019, 07:13 AM   #4
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Unless I'm reading it wrong, you have a major boost leak. You are targeting up to 16psi and only getting around 2psi.

Charge pipe o-rings installed? Correctly?
Silicon coupler tight?
Meth Bung tightened?
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      07-12-2019, 10:30 AM   #5
435guy
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Quote:
Originally Posted by khj24 View Post
Unless I'm reading it wrong, you have a major boost leak. You are targeting up to 16psi and only getting around 2psi.

Charge pipe o-rings installed? Correctly?
Silicon coupler tight?
Meth Bung tightened?
No, I think you're on the money w that. I'm going to give it another look and probably just try and reinstall. I appreciate the help guys.
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      01-13-2021, 12:46 AM   #6
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Quote:
Originally Posted by 435guy View Post
Quote:
Originally Posted by khj24 View Post
Unless I'm reading it wrong, you have a major boost leak. You are targeting up to 16psi and only getting around 2psi.

Charge pipe o-rings installed? Correctly?
Silicon coupler tight?
Meth Bung tightened?
No, I think you're on the money w that. I'm going to give it another look and probably just try and reinstall. I appreciate the help guys.
Was this ever resolved?
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