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JETmn JETmn is offline
Senior Member
Posts: 552
Join Date: Nov 2013
Car: 2011 335xi
Default 05-06-2016, 10:21 AM

I have a PS1 on my car now. If you are taking the time to install don't bother with a stage 1, go straight to the Stage 2. Even if you just run the PS2 at the same psi you will make more power and you have to ability to crank it up later when you get bored. You will make more power on pump gas with the PS2 than you can make on E30 with the PS1.
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