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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 > Pathetic JB3 stock turbo "melter map" dyno results :)



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      04-08-2009, 10:14 AM   #23
akira42
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That would rock. Friendly drag races just to see. Operative word being 'Friendly'....
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Originally Posted by BavarianBullet View Post
Awesome. Looks like he's cutting boost back pretty significantly after peak power so as not to really spin the turbos to the moon.

I'm wondering how long it will take before we have any sort of even loosely organized drag racing at a track with a scale so we can really see where the cream of the crop is.

I wanna see some side by side tune vs tune grudge racing!
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      04-08-2009, 10:16 AM   #24
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      04-08-2009, 10:16 AM   #25
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Originally Posted by akira42 View Post
Do you have any examples of this, or if anyone is out there, could you speak up? I'm not being confrontational or anything, but i fail to believe that there are no instances of these engines failing due to the tune.

I have my car tuned, and plan on doing more with it, but I'm doing so operating under the assumption that what I'm doing is not that safe, and will dramatically increase my chances of having engine issues down the road. I'm assuming most people who rock tunes feel the same. So If there are lots of 50k+ miled cars rocking 15+ psi, I want to know about that! That's fantastic! It will really help me sleep at night
There are a lot. Mr.5 has been running a heavily modded 335i for a while now. I think the DME's fast knock adaptation and DI really help on the longevity of the things here. Obviously that doesn't affect turbo life, but speaks a lot to the durability of the engine.
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      04-08-2009, 10:28 AM   #26
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im sooo glad i kept my jb3!!! cant wait for the officaly 1.3 to come out!
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      04-08-2009, 10:29 AM   #27
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I think Terry also posted that he is tweaking the pump gas maps also cause he figured something out. Man 1.3 is looking better everyday.
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      04-08-2009, 10:57 AM   #28
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im sooo glad i kept my jb3!!! cant wait for the officaly 1.3 to come out!
+ 1, I had filled out my order form on the V3 $695.00 switch tunes deal they have...Glad I didn't go through w' it...JB3 1.3 seems pretty impressive.

way to go Terry
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      04-08-2009, 11:00 AM   #29
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Originally Posted by GreekMaverick View Post
+ 1, I had filled out my order form on the V3 $695.00 switch tunes deal they have...Glad I didn't go through w' it...JB3 1.3 seems pretty impressive.

way to go Terry
ahhhh ur a good boy then... i went ahead and divulged into the new tune!
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      04-08-2009, 11:20 AM   #30
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Originally Posted by GreekMaverick View Post
+ 1, I had filled out my order form on the V3 $695.00 switch tunes deal they have...Glad I didn't go through w' it...JB3 1.3 seems pretty impressive.

way to go Terry
Personally I wouldn't want to run my stock turbos at 17.5 psi..... congrats on the numbers... but correct me if i'm wrong, other than 'but this one goes to 11' ... it doesn't look like magic... just looks like 17.5 psi...
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      04-08-2009, 11:38 AM   #31
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17.5 psi Oh man.
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      04-08-2009, 11:44 AM   #32
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The turbos fall on their faces past 5500rpm..

you need bigger turbos!
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      04-08-2009, 11:50 AM   #33
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17.5 psi Oh man.
Wasn't there a guy on here that had some problem with his tune and had a peak of 25psi or something? Now that's some powa!! lol
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      04-08-2009, 12:01 PM   #34
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Wasn't there a guy on here that had some problem with his tune and had a peak of 25psi or something? Now that's some powa!! lol
Yeah, IIRC they blew up shortly after that. Not surprising though right?
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      04-08-2009, 12:09 PM   #35
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      04-08-2009, 12:09 PM   #36
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so when will jb3 1.3 be released?
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      04-08-2009, 12:16 PM   #37
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Hook this map up mike
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      04-08-2009, 12:19 PM   #38
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Quote:
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so when will jb3 1.3 be released?
You can download 1.3 beta 8C2 now if you'd like. I think at some point in the next few weeks they'll just call it a version and start working on 1.4.

Mike
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      04-08-2009, 12:20 PM   #39
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Quote:
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sick!!!!!

waiting for shiv to knock this somehow....
First thing that came to mind.



Those numbers are crazy.
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      04-08-2009, 12:22 PM   #40
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I'd also be weary about running my turbos at 17.5+ psi. So what went wrong with the diverter valves? I'm assuming they just didn't hold the boost?
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      04-08-2009, 12:27 PM   #41
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Quote:
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I'd also be weary about running my turbos at 17.5+ psi. So what went wrong with the diverter valves? I'm assuming they just didn't hold the boost?
Correct-a-mundo. Terry is being cheap and not wanting to upgrade to Forge valves when he knows he should..lol
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      04-08-2009, 12:29 PM   #42
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
You can download 1.3 beta 8C2 now if you'd like. I think at some point in the next few weeks they'll just call it a version and start working on 1.4.

Mike
All I know 1.4 better be "BT Tool - Flash Tune 1.4" - First to market on that baby pwns all tuners!
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      04-08-2009, 12:35 PM   #43
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Any idea what the stock diverter valves are capable of holding, without needing to upgrade? Sorry for slightly thread jacking.
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      04-08-2009, 01:19 PM   #44
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Quote:
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sick!!!!!

waiting for shiv to knock this somehow....
sorry... hes too busy tuning 536rwhp right now. try later though.


hopefully we can see these same results in a customers car
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