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Forced Induction Forum Sponsored by Active Autowerke
Discuss supercharging, turbocharging and even nitrous and water injection here.
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Old 06-09-2011, 08:45 AM   #41
aggieE46
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Maybe he's seeing if we're paying attention....

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a 450G trans is a John Deer trans for a bulldozer. What is that doing in a BMW????
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Old 06-09-2011, 09:56 AM   #42
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Maybe he's seeing if we're paying attention....
Hah my finger slipped on the numpad , glad you guys are paying attention though
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Old 06-09-2011, 08:32 PM   #43
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Hah my finger slipped on the numpad , glad you guys are paying attention though
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Old 06-09-2011, 08:35 PM   #44
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420g
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Old 07-05-2011, 05:04 PM   #45
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Been having ALOT of troubles with the build,

First of my pistons have been at my friends shop for close to 2 months now , guy was supposed to get them last monday but got in a barfight and broke his shoulder
Another thing is the crankshaft i bought is .06mm(if my numbers are correct, allowed is .03) bent , causing it to lock up when torque'ing down the caps, having a machine shop examine this tomorrow , might go and return the crank for another one since the shop is on vacation untill the 25th and cant take on any more work.

Either way i've been messing around with my old block and making fittings and ducting parts , this is where it's at now:
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Old 07-06-2011, 06:25 PM   #46
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Machine shop called me today , they assembled the crank exactly like i had and it was spinning perfectly, the thrust bearing had to little play and they fixed it for me , $150 bucks less
They even took time to install it afterwards , even though the trigger wheel was missing...

Oh well , if i only can get ahold of my pistons now i should be able to drop it in by the end of the week
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Old 07-06-2011, 07:34 PM   #47
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looks awesome so far. i bet you cant wait to show everyone it up and running who said it would never happen
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Old 07-07-2011, 05:59 PM   #48
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looks awesome so far. i bet you cant wait to show everyone it up and running who said it would never happen
Thanks , you bet i will haha

Pistons just arrieved , work in 6 hours and after that i'll start tuning ring gap and then the bottom end will be bolted up somewhere in the weekend.

Just waiting on a new HG (not too happy about using oem HG) and if i have the money for it.. an upgraded oilpump.

Oil-line routing is pretty much complete aswell
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Old 07-08-2011, 11:06 AM   #49
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Just finished my 11hour work scheldue, too tired to do anything , but i just cant stay away so i did this :

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Old 07-10-2011, 01:14 AM   #50
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Old 07-14-2011, 05:06 PM   #51
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Are you going to stay on stock intake manifold?
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Old 07-15-2011, 12:04 PM   #52
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Are you going to stay on stock intake manifold?
Sure are , looking to pass inspections
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Old 07-16-2011, 06:59 PM   #53
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Sure are , looking to pass inspections
How much boost do you plan on running? Doesn't the stock mani expands under boost? Wouldn't that be a problem?

I am collecting parts to turbo my 325 too.. wonder if I will ever need a custom intake mani..
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Old 07-16-2011, 09:03 PM   #54
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How much boost do you plan on running? Doesn't the stock mani expands under boost? Wouldn't that be a problem?

I am collecting parts to turbo my 325 too.. wonder if I will ever need a custom intake mani..
I plan on running around 30-40 psi of boost , i've heard of the manifold beginning to flex around 25 but i'm going to risk it , if it blows up then i'll have it rebuilt with metal interior

Dropped the pistons in today
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Old 07-16-2011, 10:59 PM   #55
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I plan on running around 30-40 psi of boost , i've heard of the manifold beginning to flex around 25 but i'm going to risk it , if it blows up then i'll have it rebuilt with metal interior

Dropped the pistons in today
dont bother mine cracked at 26 psi
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Old 07-17-2011, 03:37 AM   #56
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Pir4t,
Can you chime in a bit more on your wiring harness part??
JimmyOberg in the other thread said he only spliced 7 wires.. he retained the factory DME for traction, vanos and such.. what about you? I learn from link's website that the G4extreme has anti-lag and traction control like other good ecus, but I guess to utilize all those functions you will need to ditch the factory DME? Which did you do, running both DME and G4 or ditched DME and running G4 alone?
And how many wires do you have to connect for 400+ft like you mentioned??!!
Thanks in advanced!
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Old 07-17-2011, 09:23 AM   #57
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Pir4t,
Can you chime in a bit more on your wiring harness part??
JimmyOberg in the other thread said he only spliced 7 wires.. he retained the factory DME for traction, vanos and such.. what about you? I learn from link's website that the G4extreme has anti-lag and traction control like other good ecus, but I guess to utilize all those functions you will need to ditch the factory DME? Which did you do, running both DME and G4 or ditched DME and running G4 alone?
And how many wires do you have to connect for 400+ft like you mentioned??!!
Thanks in advanced!
I'm going full standalone only keeping the stock DME for non-engine functions (and TC , if it works that is..)

The 400 feet of wiring consists of :

4 wires to each COP (6ft*4*6)
2 wires to each injector(4ft*4*6)
3 wires to ICV (3ft*3)
2 wires to each vanos solenoid (5ft*2*2)
3 wires to each vanos sensor (5ft*3*2)
3 wires to TPS (3ft*3)
(the stock M52 TB has 4, i'm borrowing one)
3 wires to map (4ft*3)

And some others to CPS, Cluster , anti-lag switch , speedo , etc

I'm building the exhaust without a cu tout atm , but plan on adding one that will be activated when antilag is turned on to save my cats life

Quote:
Originally Posted by jacobs323i View Post
dont bother mine cracked at 26 psi
Worrying
I plan to break the engine in at 14psi so i might leave it there for awhile until i can source someone to build me a stock looking intake..

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Old 07-18-2011, 02:48 AM   #58
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Damn! Now I understand what you mean by saying your brain hurts..
But how did Jimmy do that with only 7 wires?.... Oh well, seems like I will go with whichever manufacture that bothers to make me one at least 50% PnP

Although I am not building my internal for the first stage, I couldn't help but search about building BMW machines and found this:

I know it is an S85 not M54, but both are Al-Si materials.. They talked about how you need to take extra care when boring these machines.. Is it a secret? A well-known fact that most machine shops know? or some pure commercial BS?
Did you take care of this??
I might even just do drop in piston if it is that hard to bore an M54 and I have not found anyone I can trust back in China..
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Old 07-18-2011, 08:02 AM   #59
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Quote:
Originally Posted by Pir4t View Post
I'm going full standalone only keeping the stock DME for non-engine functions (and TC , if it works that is..)

The 400 feet of wiring consists of :

4 wires to each COP (6ft*4*6)
2 wires to each injector(4ft*4*6)
3 wires to ICV (3ft*3)
2 wires to each vanos solenoid (5ft*2*2)
3 wires to each vanos sensor (5ft*3*2)
3 wires to TPS (3ft*3)
(the stock M52 TB has 4, i'm borrowing one)
3 wires to map (4ft*3)

And some others to CPS, Cluster , anti-lag switch , speedo , etc

I'm building the exhaust without a cu tout atm , but plan on adding one that will be activated when antilag is turned on to save my cats life



Worrying
I plan to break the engine in at 14psi so i might leave it there for awhile until i can source someone to build me a stock looking intake..
dont worry it was boost creep that did it! i am just saying dont waste your time and money trying to run higher then 30 psi mine is at 25-26 with the boost creep taken care of and fine. Break in at 14 psi is perfect, then turn it up to mid twenties but i would not go higher if you want it to last awhile
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Old 07-18-2011, 01:03 PM   #60
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Originally Posted by zcchen View Post
Damn! Now I understand what you mean by saying your brain hurts..
But how did Jimmy do that with only 7 wires?.... Oh well, seems like I will go with whichever manufacture that bothers to make me one at least 50% PnP

Although I am not building my internal for the first stage, I couldn't help but search about building BMW machines and found this:

I know it is an S85 not M54, but both are Al-Si materials.. They talked about how you need to take extra care when boring these machines.. Is it a secret? A well-known fact that most machine shops know? or some pure commercial BS?
Did you take care of this??
I might even just do drop in piston if it is that hard to bore an M54 and I have not found anyone I can trust back in China..
Jimmy has the cheaper link , which doesnt support fully sequential injection / spark.
Thus he only have to wire up 3 units of each, that's still alot of wires.

Maby he meant wire-pairs ? (3 inj , 3 spark , 1 cps)
If he went with staged injection there would be less injectors too..

As for the cylinder boring , i had the machine shop check the roundness and it was deemed that i didn't have to bore it out , i just had the re-hone it and check the block to head surfaces for abnormalities.
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