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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > F30 N55 PURE stage 2 turbo dyno results
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      04-15-2015, 06:22 PM   #45
BMWrules7
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Quote:
Originally Posted by FC4
Wow...very nice. Shows how severely turbo-limited these cars are stock when you can gain upwards of 250 RWHP with even a mild turbo.

Quote:
Originally Posted by auf Deutsche View Post
F80 killer
Sentiment like this among different trim-levels always boggles my mind...
Hello, can you briefly explain what you mean by "turbo limited on the stock car?" Thank you.
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      04-15-2015, 06:55 PM   #46
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Quote:
Originally Posted by BMWrules7 View Post
Hello, can you briefly explain what you mean by "turbo limited on the stock car?" Thank you.
These cars won't put down far north of 400 RWHP due to the limitations of the factory turbo. With all the bolt-ons, the turbo is a bit beyond its efficiency range at safe ignition/knock levels on race-gas. Putting 120 RWHP on top of a full bolt-on car at peak, and more importantly 140+ RWHP more at redline is quite significant. This is an internally-gated stock-frame setup using all OEM connections with a log-style manifold providing stock-like driveability. In the world of turbo upgrades, that's as mild as it gets (regardless of its "Stage 2" designation). The fact that gains are so significant with such a mild setup should tell you something...
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      04-15-2015, 07:27 PM   #47
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Those numbers are amazing. I have a 435 and I have the JB4, ER CP, shifteck DP, meisterschaft super GT exhaust and AFE momentum intake. I gotta buy the ER IC next. I haven't done a dyno run yet. I want to add meth but I'm scared to do so. Does meth really damage the engine?

Now that I see what pure turbo can do and the price of there turbo, I'm definitely getting a pure turbo!!
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      04-15-2015, 08:38 PM   #48
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Is this on pump gas?
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      04-15-2015, 08:49 PM   #49
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How much did you spend for the mods?
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      04-15-2015, 10:03 PM   #50
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do we know if the stock internals can handle this? just curious.
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      04-15-2015, 10:15 PM   #51
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Any f10 n55 owners try this?
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      04-15-2015, 10:21 PM   #52
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Quote:
Originally Posted by CJ2
Mods:
JB4
PURE stage 2 turbo
EvolutionRacewerks CP, DP, IC
BMS intake
Meth
Not even once.
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      04-16-2015, 01:16 AM   #53
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Great Job
Just one question :

without Meth it's possible ?
Max power ?
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      04-16-2015, 04:38 AM   #54
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Quote:
Originally Posted by CJ2 View Post
Finally got around to getting my car on the dyno. Let me start by saying that both Terry and Jesse are top notch vendors and true car enthusiasts. Terry must have looked at 100 logs over the last month, I kid you not. Car was running well until we found a weak spot due to another vendors lack of installation efforts. Jesse diagnosed and resolved the boost leak and we were back at it.

Also of note, my car is a pneumatic wastegate.

Mods:
JB4
PURE stage 2 turbo
EvolutionRacewerks CP, DP, IC
BMS intake
Meth

Dyno results: 528whp / 498tq

Sweet!

Can we hear it? Any dyno video?
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      04-16-2015, 05:56 AM   #55
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Wow, that's a lot of wheel(spin)hp and torque! Congrats.

Just a sidenote, whate about the brakes and a limited slip diff?


Anyway, good luck with this Q car!

Cheers
Robin
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      04-16-2015, 06:39 AM   #56
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Quote:
Originally Posted by CJ2 View Post
I pulled on a white M4 a couple weeks back. The guy was a good sport about it. It is what it is.
awesome power! great work!

they do have pure turbos for F80 as well...now modded to modded is a fair comparison
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      04-16-2015, 07:55 AM   #57
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That's insane, and all that power going to the rear wheels, anytime u hit the gas ur gonna get wheel spin, can't imagine all the chirps when changing gears and the the DSC working nonstop
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      04-16-2015, 09:14 AM   #58
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What ballpark numbers could you expect on this same setup but on race gas and no meth?
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      04-16-2015, 10:54 AM   #59
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Quote:
Originally Posted by raqautle
That's insane, and all that power going to the rear wheels, anytime u hit the gas ur gonna get wheel spin, can't imagine all the chirps when changing gears and the the DSC working nonstop
I dont get wheelspin and dsc is always off . Jb4 has boost limiter in gears 1/2/3 nowadays.
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      04-16-2015, 11:42 AM   #60
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Great work, and amazing figures!... Not certain why the knock on F80/82 forums, but impressive none the less.
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      04-16-2015, 12:53 PM   #61
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I love how it looks!!
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      04-16-2015, 06:33 PM   #62
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I went to pure site they don't have stage 2 turbo for m235 only stage 1 ?
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      04-16-2015, 11:03 PM   #63
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Quote:
Originally Posted by PR_F10_535
Any f10 n55 owners try this?
I have looked in to this, but can't find a good local installer. I called one local euro shop, quoted me 16hrs of labor at $160. I fell out of my chair upon hearing.
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      04-16-2015, 11:24 PM   #64
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Quote:
Originally Posted by dbworld4k View Post
Is this on pump gas?
E59 + Meth
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12.284 @ 113.04 = stock turbo
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      04-16-2015, 11:25 PM   #65
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Quote:
Originally Posted by PRODIGAL KING View Post
How much did you spend for the mods?
Just shy of $5k
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12.284 @ 113.04 = stock turbo
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      04-16-2015, 11:26 PM   #66
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Quote:
Originally Posted by thrilla135 View Post
do we know if the stock internals can handle this? just curious.
Time will tell.
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12.284 @ 113.04 = stock turbo
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