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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > E92 N55 not hitting target boost



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      03-13-2024, 11:07 PM   #45
335togo
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Quote:
Originally Posted by pwns View Post
https://datazap.me/u/pwns/target-boo...ata=2-4-5-9-14

Hey guys,

Stock Map 0 2011 E92 N55, only has BMS intake, is not hitting target boost.

From the log, I see that AFR is all over the place - not sure if that's normal during WOT?

I've cleaned the MAF and nothing has changed.

Has anyone experienced this before?

*EDIT*
I notice AFR spikes when I let off gas to change gears - I guess this makes sense to me, but not sure why I'm not hitting target boost? Do you think I have a boost leak, or is there something I'm not seeing on the log?


TRY THIS FIRST This was my problem after chasing $$$$$ wasted

Upgraded E Chassis N55 Intake Coupler - Burger Motorsports

Regular price$ 24.00
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      05-23-2024, 06:49 AM   #46
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https://www.realoem.com/bmw/images/diag_5l0s.jpg

For pipe 16 in this diagram, is there any gasket that goes on the turbo side? Or it's only at the intercooler side?
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      05-23-2024, 10:36 PM   #47
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Quote:
Originally Posted by minulache View Post
https://www.realoem.com/bmw/images/diag_5l0s.jpg

For pipe 16 in this diagram, is there any gasket that goes on the turbo side? Or it's only at the intercooler side?
It doesn't show on realoem, but I believe it is this part?

https://www.vr-speed.com/vrsf-n55-tu...f-chassis.html
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      05-24-2024, 02:50 AM   #48
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Quote:
Originally Posted by minulache View Post
https://www.realoem.com/bmw/images/diag_5l0s.jpg

For pipe 16 in this diagram, is there any gasket that goes on the turbo side? Or it's only at the intercooler side?
On the turbo outlet pipe I purchased, I'm pretty sure there was an integrated gasket/o ring on the turbo end.
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      05-24-2024, 06:02 AM   #49
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Thank you guys for the responses. I ordered another OE one that I found in other diagrams, for the N55 F series. I will come up with an update to see if it fits or not
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