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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Pure Turbos N55 single turbo upgrade



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      01-30-2014, 05:14 PM   #89
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Quote:
Originally Posted by deemarr 335i View Post
What map was this on ???
Terry says map 6
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      01-30-2014, 05:17 PM   #90
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More info:

Terry says: "Here is a dyno vs. an OEM turbo car. Note OEM turbo car also has meth & intercooler so its more heavily modified."



That's 45whp on the top end! Possibly more with an intercooler

Last edited by Pure Turbos; 01-30-2014 at 05:22 PM.
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      01-30-2014, 05:25 PM   #91
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Nice!
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      01-30-2014, 05:30 PM   #92
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Nice... Not losing any torque or low end power... Might be worth it. What's the labor on changing the turbo?
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      01-30-2014, 05:34 PM   #93
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Quote:
Originally Posted by Pure Turbos View Post
Terry says map 6
Ok cool thanks....might pick this up thus summer.
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      01-30-2014, 05:37 PM   #94
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Is this with the upgraded diverter valve or Oem?
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      01-30-2014, 05:43 PM   #95
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Quote:
Originally Posted by marCOCOpuffs View Post
Nice... Not losing any torque or low end power... Might be worth it. What's the labor on changing the turbo?
Well if you swap out the whole turbo assembly which we don't recommend, it's more involved. Book time calls for something like 10 hours. But, we just swapped the CHRA+comp housing. It was easy. Could probably do it in 3 to 5 hours depending on the installer.

In a nutshell:

-Drain coolant
-Drop swaybar (4 nuts)
-Remove thermo housing (2 bolts, hoses)
-Remove water pump (3 bolts, hoses)
-Remove turbo intake and discharge tubes
-Swap turbo

There's a lot more details to it but that's basically what's involved. Here's a pic of everything that was removed to be able to swap the turbo:

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      01-30-2014, 05:46 PM   #96
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Quote:
Originally Posted by deemarr 335i View Post
Is this with the upgraded diverter valve or Oem?
This is with OEM diverter. The OEM diverter has 4 pressure bleed ports around the center of the valve. So it equalizes pressure on both sides of the diaphragm. This allows only the spring pressure necessary to hold the valve closed. Good design. Terry agrees that it doesn't seem to be a problem.
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      01-30-2014, 05:48 PM   #97
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Quote:
Originally Posted by Pure Turbos View Post
This is with OEM diverter. The OEM diverter has 4 pressure bleed ports around the center of the valve. So it equalizes pressure on both sides of the diaphragm. This allows only the spring pressure necessary to hold the valve closed. Good design. Terry agrees that it doesn't seem to be a problem.
Awesome thanks for the info man.
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      01-31-2014, 12:52 AM   #98
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Results look nice. Would meth increase gains with this setup?
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      01-31-2014, 08:52 AM   #99
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How much is this setup? DO you guys have a website?
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      01-31-2014, 11:25 AM   #100
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Quote:
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Results look nice. Would meth increase gains with this setup?
Yes Sir, it would.

Quote:
Originally Posted by NeoNz View Post
How much is this setup? DO you guys have a website?
Yes we do, here's a link:

http://www.pureturbos.com/store/oem-...o-upgrade.html
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      01-31-2014, 12:37 PM   #101
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Any other plans for turbo upgrades? Is your shop car getting this turbo soon?
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      01-31-2014, 12:45 PM   #102
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Quote:
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Any other plans for turbo upgrades? Is your shop car getting this turbo soon?
Yes, we have lots of plans

Yes, the shop car will get the PURE Stage 1 turbo very soon.
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      01-31-2014, 12:59 PM   #103
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Do you have a Stage2 Turbo in the Pipeline?
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      01-31-2014, 01:32 PM   #104
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Some numbers of the car stock vs dp, meth and 93 oct with jb4 stage 2 would get me buying this kit if all adds up

On an F series offcourse
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      01-31-2014, 02:56 PM   #105
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Quote:
Originally Posted by 335iFFM View Post
Do you have a Stage2 Turbo in the Pipeline?


Quote:
Originally Posted by Darkhold View Post
Some numbers of the car stock vs dp, meth and 93 oct with jb4 stage 2 would get me buying this kit if all adds up

On an F series offcourse
The customer's car is an e82 and our comapany car is an e90. If we get dyno results from a customers F series car, we'll let you know. However, expect the same type of results.
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      01-31-2014, 03:33 PM   #106
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Did this car have the Flexfuel wires ? and I'm wondering how much of a difference the back end flash would have made....basically would a 2011 car make more power.
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      01-31-2014, 04:41 PM   #107
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Looks very promising, will wait until a stage 2 or 3 is possibly available.
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      01-31-2014, 05:02 PM   #108
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Quote:
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Did this car have the Flexfuel wires ? and I'm wondering how much of a difference the back end flash would have made....basically would a 2011 car make more power.
Yes the customer's 1-series had the flexfuel wires.

Look above at Terry's notes. He expects another 15whp with backend flash. Thanks
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      01-31-2014, 05:14 PM   #109
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Quote:
Originally Posted by Pure Turbos View Post
Yes the customer's 1-series had the flexfuel wires.

Look above at Terry's notes. He expects another 15whp with backend flash. Thanks
Ok cool thanks man.
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      01-31-2014, 06:11 PM   #110
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Quote:
Originally Posted by melloww22 View Post
Yup Dinan claims their S3 (compressor wheel upgrade) will get over 400whp... I say that's not bad if they would give a fair price, else save your money and replace the entire turbo with one of Vargas
When did that ever happen? Fair pricing and Dinan shouldn't be mentioned in the same sentence.

But I'm sure you're joking on the 'fair price' statement......
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