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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > How much hp



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      05-31-2019, 04:29 AM   #1
Laithalnatour
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How much hp

I want a ball park range of how much whp I am running on my 2008 335i n54
Mods :
Jb4 back end flashed with mhd
Full cat back
Burger dual cone intakes
5 inch ARM intercooler
Tial q bov with ARM charge pipe
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      05-31-2019, 06:49 AM   #2
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Quote:
Originally Posted by Laithalnatour View Post
I want a ball park range of how much whp I am running on my 2008 335i n54
Mods :
Jb4 back end flashed with mhd
Full cat back
Burger dual cone intakes
5 inch ARM intercooler
Tial q bov with ARM charge pipe
Between 0 and 500 HP.

What JB4 Map?
What MHD map?
What altitude are you at?
What is the temperature where you are?

My point is there are tons of variables. If you want a ball park I would say you are just about 400 to the wheels.
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      05-31-2019, 07:07 AM   #3
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Octane? Maintenance up to date?

lol
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      05-31-2019, 07:28 AM   #4
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Quote:
Originally Posted by Laithalnatour View Post
I want a ball park range of how much whp I am running on my 2008 335i n54
Mods :
Jb4 back end flashed with mhd
Stage 1.5-ish tune on 93, 75whp gain as a guess
Full cat back
Still have cats, no power gain
Burger dual cone intakes
Maybe 5whp gain
5 inch ARM intercooler
Is this the stepped design? Optimistically, 15whp
Tial q bov with ARM charge pipe
No gain
360whp 400wtq ballpark. Guessing you're in the 12-15psi range with this?
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      05-31-2019, 07:43 AM   #5
Laithalnatour
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Quote:
Originally Posted by type-dRew View Post
Octane? Maintenance up to date?

lol
I have all the maintenance done like water pump almost every gasket changed the oil 10 minuets before I threw all that on
I run 93 that's the best I can get in the Dallas area
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      05-31-2019, 08:29 AM   #6
Emilime75
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Quote:
Originally Posted by tisdrew View Post
360whp 400wtq ballpark. Guessing you're in the 12-15psi range with this?
I'd say even this is likely a little optimistic. The only power adder in the list is the tune. Exhaust, DCI and FMIC aren't adding any significant power.
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      05-31-2019, 08:31 AM   #7
Emilime75
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Quote:
Originally Posted by Laithalnatour View Post
I have all the maintenance done like water pump almost every gasket changed the oil 10 minuets before I threw all that on
I run 93 that's the best I can get in the Dallas area
That's cool and all, but the type of "maintenance" relevant to making sure you're making power are things like walnut blast, coils, plugs, injectors...
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      05-31-2019, 08:43 AM   #8
Laithalnatour
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Quote:
Originally Posted by Emilime75 View Post
Quote:
Originally Posted by Laithalnatour View Post
I have all the maintenance done like water pump almost every gasket changed the oil 10 minuets before I threw all that on
I run 93 that's the best I can get in the Dallas area
That's cool and all, but the type of "maintenance" relevant to making sure you're making power are things like walnut blast, coils, plugs, injectors...
Yea all new plugs injectors and coils less than 3 k miles ago
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      05-31-2019, 09:15 AM   #9
Laithalnatour
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Quote:
Originally Posted by Emilime75 View Post
Quote:
Originally Posted by tisdrew View Post
360whp 400wtq ballpark. Guessing you're in the 12-15psi range with this?
I'd say even this is likely a little optimistic. The only power adder in the list is the tune. Exhaust, DCI and FMIC aren't adding any significant power.
That's what I was thinking I am probably at 320 wheel
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