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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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      03-16-2010, 05:59 PM   #617
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You can sort of see the low end loss in that graph I posted. HP was down a negligible 5-10 with a little more loss of torque.. to be expected with a clipped turbine type setup. It's making enough hp/tq down there to begin with for me not to care about the loss. There is more tuning to be done though, so for now I'll just leave it at that.
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      03-16-2010, 07:09 PM   #618
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they should clip the wheel some more so we have around 350wtq down low and give us a nice bump mid to top end. Based off the initial dyno results, seems like this is a success.

Great work.
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      03-16-2010, 07:21 PM   #619
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Quote:
Originally Posted by jpsimon View Post
You can sort of see the low end loss in that graph I posted. HP was down a negligible 5-10 with a little more loss of torque.. to be expected with a clipped turbine type setup. It's making enough hp/tq down there to begin with for me not to care about the loss. There is more tuning to be done though, so for now I'll just leave it at that.
JP do you have a Meth kit? If you can do 430rwhp on these turbos with a Meth kit you can probably hit 450-460rwhp on a race map daily driven with AWD that would be a sick setup. How many miles on your car and when is warranty up?
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      03-16-2010, 07:27 PM   #620
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no meth, i do plan on getting a kit at some point.

i have 40k miles, i don't know when the warranty is up because I don't care... this forum is so funny when it comes to that stuff
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      03-16-2010, 07:28 PM   #621
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no meth, i do plan on getting a kit at some point.

i have 40k miles, i don't know when the warranty is up because I don't care... this forum is so funny when it comes to that stuff
Well these car's are known to be expensive to maintain when warranty run's out which is why I asked.
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      03-16-2010, 07:37 PM   #622
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I've been to the dealer to get my brakes done, and to get free wipers. Both times stage 3 modded, no issues.
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      03-16-2010, 08:13 PM   #623
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I've been to the dealer to get my brakes done, and to get free wipers. Both times stage 3 modded, no issues.
i got my clutch replaced and my drive shaft, with tune on map 7 lol, dps, suspension, intake, oil catch can and some other stuff! always good to know people
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      03-16-2010, 08:44 PM   #624
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It's all about who you know and your relationship with them. I know my dealership won't let me do downpipes or a BOV so I stay away from that stuff. I'll blow that warranty wide open at some point though lol
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      03-16-2010, 09:05 PM   #625
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Quote:
Originally Posted by JoosyJoos View Post
It's all about who you know and your relationship with them. I know my dealership won't let me do downpipes or a BOV so I stay away from that stuff. I'll blow that warranty wide open at some point though lol
If you know someone closer, you don't have to worry about that. Just get to know one of the techs. Done.
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      03-16-2010, 09:10 PM   #626
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bring them wine, lunch, anything to establish a good relationship! treat them like your girlfriends
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      03-16-2010, 09:59 PM   #627
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Quote:
Originally Posted by jpsimon View Post
no meth, i do plan on getting a kit at some point.

i have 40k miles, i don't know when the warranty is up because I don't care... this forum is so funny when it comes to that stuff
haha... i'm at 40K too.. and don't care about the warranty either.... enough that I don't even remember what our warranty is supposed to be ?

does anyone on here remember what the normal warranty is ?? I do want to take it in once for a reprogramming before the warranty is up (they need to to fix an error about the brake pads, but i never let them do it... back when pre 29.2 mattered.. hahaha) ...

it does seem really silly to worry about warranty for the powertrain once you are upgrading turbos though.. seriously...
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      03-16-2010, 11:45 PM   #628
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Quote:
Originally Posted by jpsimon View Post
no meth, i do plan on getting a kit at some point.

i have 40k miles, i don't know when the warranty is up because I don't care... this forum is so funny when it comes to that stuff
+1
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      03-17-2010, 12:03 AM   #629
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Quote:
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On pump gas I'm guessing we'll be at around ~430-440awhp (on a dynojet), with gobs of torque.
But that's before Meth though right? I'm sure little bit of help from Meth, you should be able to peak close to 500 mark.
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      03-17-2010, 05:20 AM   #630
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Someone should do a 35r project while I'm gone
Someone is
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      03-17-2010, 06:57 AM   #631
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Quote:
Originally Posted by HPF 335i #1 View Post
Someone is
I know, I'm talking short term. had I gone the 35r route it would have probably been done already. I can't wait to see what HPF comes up with though
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Last edited by jpsimon; 03-17-2010 at 07:14 AM.
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      03-17-2010, 02:04 PM   #632
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I have a quick question. Shouldn't you be tuning and dynoing on summer tires instead of snow tires...? Does it make any difference since you're losing power with snow tires...?
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      03-17-2010, 02:07 PM   #633
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Quote:
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I have a quick question. Shouldn't you be tuning and dynoing on summer tires instead of snow tires...? Does it make any difference since you're losing power with snow tires...?
delta will be the same, since baseline was on same tires and tank of gas.
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      03-18-2010, 07:47 PM   #634
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can the gt35r fit in there?? I thought it was too big to fit in that space..
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      03-18-2010, 11:10 PM   #635
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can the gt35r fit in there?? I thought it was too big to fit in that space..
It will not fit 2 big turbo, but it could fit only one.
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      03-18-2010, 11:39 PM   #636
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can the gt35r fit in there?? I thought it was too big to fit in that space..
With a BFH, all things are possible.
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      03-20-2010, 08:01 AM   #637
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Quote:
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Well these car's are known to be expensive to maintain when warranty run's out which is why I asked.
If you are upgrading your turbos, whatever warranty you had just ended.
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      03-27-2010, 02:29 PM   #638
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4th gear definitely feels like 3rd gear now.

also, the Aria in Vegas rules
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