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Forced Induction Forum
Discuss supercharging, turbocharging and even nitrous and water injection here.

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Old 01-29-2017, 12:17 AM   #1
325imsport
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Join Date: Jan 2017
Location: Trenton, Ohio USA
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My Ride: 2003 BMW 325i
E46 Full custom build

Hi all
I'm assuming this would be the appropriate section for my post considering I will be doing this entire build myself. I need some assistance from you guys though.
I have a 2003 BMW 325i with the 2.5l M54 in it. Starting soon I plan to do a full 2.5l to 3.0l stroker (need to know what I will need for this). Also I am building a fully custom big turbo kit for my car which will be all custom and all hand made piping and work. I am trying to find out if I will need to run a stand-alone ECU and if so what will work for me. I want to push 600HP or at least very very close to it. I don't care how long it takes me, it will get done. I have the funds and I have the time. Also I am trying to find out what injectors and fuel pump I would need to run for e85 and if there is anything else you guys can throw out there to help me achieve my goal of 600HP on ethanol with a big precision turbo. I have already done brake upgrades, suspension work, and started some other mods to prepare for this build. All advice will help me.
Thank you guys very much.
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Old 01-29-2017, 10:10 AM   #2
cwarel
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There is a guy running on Stock engine 22pse of boost making 700whp , on E85 , I think he suses 1000cc injectors and stock ecu but for the ecu part im not sure
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Old 01-31-2017, 01:16 PM   #3
03_330Ci
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pretty sure you are talking about hobbit. having a 3.0 push out 600 is right up at the limit of what the stock rods will take before they break. you might want to consider 400 hp as a more realistic target and size the turbo accordingly. with the open diff in that car you will have severe traction problems with 400 whp and one wheel peel
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to many parts to list, i'm overdue for a build thread..
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Old Yesterday, 02:48 AM   #4
M54B25XI
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How is this build going?
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Old Yesterday, 10:21 AM   #5
PEI330Ci
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How is this build going?
With 1 post, and zero responses to people delivering advice that the OP asked for, I'd say he ran out of Redbull.
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Old Yesterday, 04:46 PM   #6
Davconelectric
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Originally Posted by PEI330Ci View Post
With 1 post, and zero responses to people delivering advice that the OP asked for, I'd say he ran out of Redbull.
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Old Yesterday, 05:09 PM   #7
M54B25XI
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Old Yesterday, 09:42 PM   #8
PEI330Ci
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You never know who might show up around here....

A few years ago a guy showed up with a 328 that he wanted to boost, and asked a lot of questions like any newb would.

I got a pile of PMs from him. So I did a little searching on his user name, and found that he was actually a really bad-a55 racer that went by the name "Parish" on the forums.

He's now known as one of the OGs of the street sleeper scene...

You never know who's going to show up...

Last edited by PEI330Ci; Yesterday at 09:48 PM.
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Old Yesterday, 09:50 PM   #9
PEI330Ci
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This guy:

http://forum.e46fanatics.com/showthr...509&highlight=

Legend Status in my book.


Last edited by PEI330Ci; Yesterday at 09:56 PM.
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