Thread: How much psi
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Old 11-19-2009, 07:52 PM   #21
Techno Viking
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Join Date: May 2008
Location: Scarborough
Posts: 1,771
s52's are pretty damn strong. i'm planning on supercharging mine but nothing TOO crazy, maybe 7-9psi? i've seen/read about many guys running around 10 psi without opening the motor up. but again, it's how you drive the car.

E36 ///M3 S54
STock 335i
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