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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 > N55 DIY turbo upgradeż



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      12-14-2012, 12:53 AM   #1
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N55 DIY turbo upgradeż

hey N55 guys

why don't one of you yahoos cut off your turbo and weld a v band to the manifold and fit the biggest turbo you can in there like a 5858 6262 6266 etc

seems legit. if you build it someone will tune it

all the best
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      12-14-2012, 01:22 AM   #2
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i wonder how drunk this guy is
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      12-14-2012, 01:24 AM   #3
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the tuning probably wont be as easy as you would think..
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      12-14-2012, 01:25 AM   #4
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Quote:
Originally Posted by OneFastN55 View Post
i wonder how drunk this guy is
it can easily work... Its the tuning
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      12-14-2012, 01:31 AM   #5
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Quote:
Originally Posted by eyim1988 View Post
the tuning probably wont be as easy as you would think..
I don't think the tuning will be easy. but I do think some one will tune it. ijs

kick it around
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      12-14-2012, 01:59 AM   #6
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Originally Posted by eyim1988 View Post
the tuning probably wont be as easy as you would think..
Now that COBB is offering their flash, it's a matter of time until they figure out how to tune aggressively (Stage 2+ levels). The biggest headache seems to be the Valvetronic at non-WOT/partial throttle conditions.

Like anything, if there's enough demand (which there already seems to be), it's just a matter of time
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      12-14-2012, 02:31 AM   #7
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Quote:
Originally Posted by eyim1988 View Post
it can easily work... Its the tuning
lol.. im not saying it wont work, im saying the guy sounds drunk
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      12-14-2012, 09:17 AM   #8
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Maybe Rob at RB is working on it... check his last post...
http://www.n54tech.com/forums/showth...t=14974&page=6
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      12-14-2012, 09:38 AM   #9
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Quote:
Originally Posted by benzy89 View Post
Now that COBB is offering their flash, it's a matter of time until they figure out how to tune aggressively (Stage 2+ levels). The biggest headache seems to be the Valvetronic at non-WOT/partial throttle conditions.
I really wonder where this idea comes from. Any solid source for this, except the usual "I don't know, I've heard some dude say that on a forum" ? I really see none of those issue on my car in those exact situations on a Procede, partial non-WOT, I can keep boost at any level with my right foot, its smooth. Valvetronic works fine as it is, I don't see any problem there. And the piggybacks are not controlling anything related to the valvetronic.

I've see this idea floating around every couple months, always by some n54 dude. Now Cobb is out, and there is already a review, its smooth...
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      12-14-2012, 10:03 AM   #10
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Quote:
Originally Posted by Slopp View Post
Maybe Rob at RB is working on it... check his last post...
http://www.n54tech.com/forums/showth...t=14974&page=6
I made an account there to show interest for upgraded turbos for the n55. i think the more interest the more time the tuners will take to make the n55 turbo upgrade.
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      12-14-2012, 11:09 AM   #11
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I'm
just saying. some one will give you guys a turbo upgrade it's inevitable. but if you want to get ahead of the curve, refer to post #1
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      12-14-2012, 11:10 AM   #12
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Quote:
Originally Posted by OneFastN55 View Post
lol.. im not saying it wont work, im saying the guy sounds drunk
nah, I just know theres gotta be some cowboy willing to make a move
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      12-14-2012, 02:48 PM   #13
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Originally Posted by Kalud View Post
I've see this idea floating around every couple months, always by some n54 dude. Now Cobb is out, and there is already a review, its smooth...
This is why I specifically referenced the flash tunes. The COBB tune is out, but it's also still in the Beta stage which means A) that the maps aren't officially approved and B) there are still revisions being made.

Valvetronic is the biggest difference between the N54 & N55 motors (turbo configuration aside), so if it was just that simple to overcome why haven't we seen any aftermarket turbo options? There's clearly an audience for it & the turbo has been identified as the limiting factor for power, but to responsibly tune for such an aggressive performance setting (boost curves, timing, fueling, etc) will require a complete tuning profile.
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      12-14-2012, 05:01 PM   #14
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It took ~5 years for a single turbo upgrade for the n54... The n55 is ~2y old.

Most importantly the DME has changed, the market is thinner.
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      12-14-2012, 05:20 PM   #15
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It will take a thousand years if no one jumps in the water
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