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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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      02-25-2010, 08:44 PM   #133
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Any bench flow numbers or plans on getting them?
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      02-25-2010, 09:55 PM   #134
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ya I'll see what they say
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      02-25-2010, 11:07 PM   #135
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What will these do to the rest of the engine... Durability wise....?
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      02-25-2010, 11:43 PM   #136
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anything more than stock stresses things more than BMW was hoping time will tell.. first I'll need a clutch though.
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      02-26-2010, 12:20 AM   #137
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dude why does the stock turbo look like it's made of cheap crappy rusty looking metal in comparison to the new one?
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      02-26-2010, 12:24 AM   #138
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Maybe because it's old.
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      02-26-2010, 12:58 AM   #139
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      02-26-2010, 01:03 AM   #140
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Quote:
Originally Posted by malter2.0 View Post
look how much the stock turbo is sturdier built than tial. on that picture where caliper is measuring the inside diameter, the WALL of the stock turbo is twice as thick as tial.
that wall isnt seeing any boost so I dont see an issue with it.
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      02-26-2010, 01:22 AM   #141
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      02-26-2010, 01:27 AM   #142
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Quote:
Originally Posted by fatjoez View Post
dude why does the stock turbo look like it's made of cheap crappy rusty looking metal in comparison to the new one?
old vs. rebuilt
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      02-26-2010, 01:30 AM   #143
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Hopefully this yields more than the forced performance remans for the GD WRX
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      02-26-2010, 01:34 AM   #144
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Quote:
Originally Posted by Scimitar335i View Post
Glad I bought some ebay turbos to cover the core charge!!!! Wooo hoooo!!!!
can't you just mail them your stock turbos after you install the new ones?
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      02-26-2010, 01:48 AM   #145
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*Hopes this will net a lot of additional high-end power, while being reliable, and cheap*

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      02-26-2010, 10:34 AM   #146
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Subscribed.

Good luck to OP!
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      02-26-2010, 10:40 AM   #147
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Quote:
Originally Posted by jpsimon View Post
That was done to support the larger compressor
Understood. However that wall was designed in CAD with specific thickness for a purpose. They certainly would not put thicker piping (that adds weight) without adequate optimization. Not trying to undermine your efforts, just thinking why is stock wall so much thicker and why? Things like vibration resonance come to mind.

Last edited by malter2.0; 02-26-2010 at 10:58 AM.
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      02-26-2010, 11:37 AM   #148
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anymore news JP...?
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      02-26-2010, 11:41 AM   #149
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Just touching base with EPL today to see when I can get on the dyno early next week. After we do the "baseline" runs work will begin. Nothing is happening this weekend as I'm heading up to VT for our first decent storm of the year (50"!!)
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      02-26-2010, 12:05 PM   #150
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ok, it's official: baseline dyno on monday then the car will start to get taken apart later in the day
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      02-26-2010, 12:58 PM   #151
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ooooo.. front page dood...

lookie what we got here....




HORSE POWER!
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      02-26-2010, 01:02 PM   #152
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waddup Leh!
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      02-26-2010, 01:08 PM   #153
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how long does EPL estimate it'll take them to get the car back on the dyno after the baseline? Are you waiting on any parts or is everything they expect they'll need there?
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      02-26-2010, 01:22 PM   #154
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I don't want to get any hopes up so don't quote me on this, but if all goes as planned the car will be back on the dyno with the upgraded turbos by the end of the week.

Parts were ordered, the turbofolds will be dropped off to get blasted with a hi-temp coating and will be ready for install early/mid week.
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Last edited by jpsimon; 02-26-2010 at 02:16 PM.
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