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Forced Induction
Aftermarket superchargers & turbos as well as tuning for stock BMW turbos (N54 motor - 135i / 335i / 535i). Force-fed discussion to make your car go faster

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  #1  
Old 05-07-2008, 05:55 AM
Andrew_BR Andrew_BR is offline
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Mein Auto: German 95 325i Coupe
Plastic manifold - how much does it holds?

Hi guys!

I'm going to supercharge my 95 325i and I would like to know how much pressure the Intake Manifold can take.
I was thinking of using 0,8bar to be shure, but I would really like to use 1 bar.

Does anybody KNOWS how much it can take?
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  #2  
Old 05-07-2008, 06:07 AM
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ffej ffej is offline
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Quote:
Originally Posted by Andrew_BR View Post
Hi guys!

I'm going to supercharge my 95 325i and I would like to know how much pressure the Intake Manifold can take.
I was thinking of using 0,8bar to be shure, but I would really like to use 1 bar.

Does anybody KNOWS how much it can take?

I'm pretty sure the manifold itself can handle up to and beyond 1,0bar, but the headgasket will make a lovely popping with that much pressure.
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My input is that ffej knows what he's talking about .
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  #3  
Old 05-13-2008, 10:58 AM
Andrew_BR Andrew_BR is offline
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Mein Auto: German 95 325i Coupe
"the headgasket will make a lovely popping with that much pressure"

ahhaha lol!!!

Ok, I will use 0,8 as I was thinking then.
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  #4  
Old 08-19-2008, 10:32 AM
franka franka is offline
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One bar is one atmosphere or atm or apprx 14.7 lbs per sq inch. Your manifold will handle it but its too much boost w/o other mods to your motor.

Half a bar or 0.5 bar = 7.2 psi which is about the limit.
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