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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > My official N54 turbo upgrade build



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      02-24-2010, 05:20 PM   #67
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Quote:
Originally Posted by shiv@vishnu View Post
I've always been hesitant about compressor-only upgrades. I guess we'll see how this turns out very soon. I don't think we'll see the same gains with saw with the a full CHRA upgrade (ASR kit) but it is also much more affordable. It would be very cool if this gave us the same power at slightly less boost. Or another 30-40hp when turned up.

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This is what I'm hoping for! we shall see soon
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      02-24-2010, 05:25 PM   #68
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Originally Posted by jpsimon View Post
This is what I'm hoping for! we shall see soon
And to be fair, I did a compressor-only upgrade to my old turbocharged Miata back in the 90s. Put in a Ford T-bird compressor with original turbine wheel (unclipped). And it made an solid 30whp more power with no loss in spool up. So they can certainly work in some cases

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      02-24-2010, 05:27 PM   #69
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pricing isn't finalized, but it will be neither an arm or a leg!
How about a kidney?
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      02-24-2010, 05:56 PM   #70
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Great project - keep the info coming! And good luck with it all, of course. Am very curious how this turns out, and it's great to see there is finally some momentum in the turbo upgrade market.

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      02-24-2010, 06:19 PM   #71
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      02-24-2010, 06:27 PM   #72
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How about a kidney?
are they charging by weight or importance of the organ?
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      02-24-2010, 06:32 PM   #73
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Quote:
Originally Posted by RobBeck View Post
Ah, another compressor only upgrade.
Thats what I said... Hope it works out and hope it doesn't cost more than 1000 bucks. 30 hp for 1000 bucks....Hmm. What else can I buy that is cheaper? Meth? N20? Tune? Well, just about every basic bolt on. You'd need to be bored and have no other way to increase power for an added ceiling for 30hp to make any sense by spending 3 or 4k. Shit, you could PAY me 3000 dollars and i'll freakin PRETEND my car has more power.
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      02-24-2010, 06:38 PM   #74
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jeez we'll see how these do soon.. if it makes 30-40whp more then it's worth it in my eyes. I will also be doing meth eventually (in the spring/summer).
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      02-24-2010, 06:43 PM   #75
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Quote:
Originally Posted by jpsimon View Post
jeez we'll see how these do soon.. if it makes 30-40whp more then it's worth it in my eyes. I will also be doing meth eventually (in the spring/summer).
The only thing is I don't think you really have any other mods you can buy at this point so. Hell, its probably the next thing on your mod list... I hope it works out, any upgrade is better than no upgrade. Good luck.
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      02-24-2010, 06:43 PM   #76
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Quote:
Originally Posted by klipseracer View Post
Thats what I said... Hope it works out and hope it doesn't cost more than 1000 bucks. 30 hp for 1000 bucks....Hmm. What else can I buy that is cheaper? Meth? N20? Tune? Well, just about every basic bolt on. You'd need to be bored and have no other way to increase power for an added ceiling for 30hp to make any sense by spending 3 or 4k. Shit, you could PAY me 3000 dollars and i'll freakin PRETEND my car has more power.
i'll let a clown on a unicle or a guy in a civic beat me on the drag strip for that kind of money
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      02-24-2010, 07:00 PM   #77
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If these turbos make 420-440 consistently and hold over 400 whp to 7k rpm on pump no meth, maybe 445-455+ on meth? that would be worth it to me. Also these turbos would better in better effiency in the higher boost range. Anything over 400whp on stock turbos is at the max of the stock turbo and out of effiency.
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      02-24-2010, 07:04 PM   #78
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this is exciting news. hopefully they come through unlike many other turbo vendors.
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      02-24-2010, 07:12 PM   #79
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      02-24-2010, 07:23 PM   #80
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Congrats on your upgrade can't wait to see some #'s $ boost levels etc.
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      02-24-2010, 07:29 PM   #81
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Quote:
Originally Posted by klipseracer View Post
Thats what I said... Hope it works out and hope it doesn't cost more than 1000 bucks. 30 hp for 1000 bucks....Hmm. What else can I buy that is cheaper? Meth? N20? Tune? Well, just about every basic bolt on. You'd need to be bored and have no other way to increase power for an added ceiling for 30hp to make any sense by spending 3 or 4k. Shit, you could PAY me 3000 dollars and i'll freakin PRETEND my car has more power.
$1000? no way.
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      02-24-2010, 07:31 PM   #82
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looks pretty good, a match made in heaven, love the looks, now let's see how it goes in the numbers and price, good luck and great work!
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      02-24-2010, 07:35 PM   #83
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Quote:
Originally Posted by dmurray14 View Post
$1000? no way.
Yes, I realize the implausibility. Thats why it seems...well. Implausible?
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      02-24-2010, 09:02 PM   #84
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Quote:
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Yes, I realize the implausibility. Thats why it seems...well. Implausible?

yeah 1k is extremely unrealistic, it would be cheap at 1k per turbo w no supporting hardware or software.
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      02-24-2010, 09:29 PM   #85
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yeah 1k is extremely unrealistic, it would be cheap at 1k per turbo w no supporting hardware or software.
1k for a compressor only upgrade doesnt seem very unrealistic to me
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      02-24-2010, 09:33 PM   #86
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Excuse me if this is an ignorant idea but if the turbine shaft proves to be too weak couldn't we just replace it with a titanium shaft of the same diameter? Seems like that would only cost $40-50 in any sort of quantity. Could apply some low friction ceramic coating to it while you are at it.
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      02-24-2010, 09:43 PM   #87
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Quote:
Originally Posted by Digital.James View Post
1k for a compressor only upgrade doesnt seem very unrealistic to me
+1 There were some RX-8 guys that sent their 18g turbos for a 'shave and a haircut' (clipped turbine, new compressor wheel, new seals) for < $1k, shipped.

So, x2 + the 'BMW tax'...
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      02-24-2010, 09:44 PM   #88
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pricing isn't finalized, but it will be neither an arm or a leg!
yah...for you.
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