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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 > What we BROKE Today: 400WHP!



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      11-05-2007, 08:57 PM   #23
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Originally Posted by shiv@vishnu View Post
we are controlling another engine function right now (more than just boost, afr target and timing). We have yet to determine if its necessary though. If it is, it'll be a simple firmware/wire loom update. If not, not. We still have more testing to do.

shiv
Vanos? Fuel injection timing?
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      11-05-2007, 09:00 PM   #24
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Upload it like other maps... I would think.
Well, yeah you could do that but, who wants to pull that crap apart to get to the serial connector every time you put race gas in as opposed to just blipping the throttle when you start it or flipping an actual switch.
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      11-05-2007, 09:01 PM   #25
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Quote:
Originally Posted by hotrod2448 View Post
Vanos? Fuel injection timing?
Vanos is variable so Im not sure if it would be worth controling it so its like vtech.
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      11-05-2007, 09:02 PM   #26
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Quote:
Originally Posted by hotrod2448 View Post
Well, yeah you could do that but, who wants to pull that crap apart to get to the serial connector every time you put race gas in as opposed to just blipping the throttle when you start it or flipping an actual switch.
Lol i dont think it has bothered most procede users from this point. We have been doing it from the beginning like this. So Im not sure if it makes a difference.

And some people just put there cable through the firewall into the glove box.
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      11-05-2007, 09:03 PM   #27
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Congrats Shiv.. the 400whp figure is very symbolic, you will keep selling your products well. Keep up the good work.
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      11-05-2007, 09:03 PM   #28
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Amazing Job!! So basically this is all done with a Tune. Exhaust and 98 oct gas?
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      11-05-2007, 09:04 PM   #29
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Originally Posted by Walked U View Post
Vanos is variable so Im not sure if it would be worth controling it so its like vtech.
I never said control it like Vtech.

If you can vary ignition timing, boost and, AFR through out the operating range the way the factory ECU does why would not be able to alter cam timing the same way the factory does just to different settings.
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      11-05-2007, 09:06 PM   #30
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Quote:
Originally Posted by Walked U View Post
Lol i dont think it has bothered most procede users from this point. We have been doing it from the beginning like this. So Im not sure if it makes a difference.

And some people just put there cable through the firewall into the glove box.
You haven't been changing your map every weekend when you go to the track till now either though.
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      11-05-2007, 09:07 PM   #31
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Quote:
Originally Posted by hotrod2448 View Post
You haven't been changing your map every weekend when you go to the track till now either though.
Not at the track But I do change my map every few days to mess with settings ECT.
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      11-05-2007, 09:08 PM   #32
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Originally Posted by Lucid4000 View Post
Amazing Job!! So basically this is all done with a Tune. Exhaust and 98 oct gas?
Yep, but keep in mind the exhaust is just a half exhaust, the real gains comes from ther catless downpipes.
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      11-05-2007, 09:11 PM   #33
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Quote:
Originally Posted by shiv@vishnu View Post
FWIW, we are controlling another engine function right now (more than just boost, afr target and timing). We have yet to determine if its necessary though. If it is, it'll be a simple firmware/wire loom update. If not, not. We still have more testing to do.

shiv
VANOS?
If the results are even half as good as manipulating the Mivec intake cam timing on the IX was, it'll further cement the PROcede the must have engine control device!
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      11-05-2007, 09:16 PM   #34
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Ohh boy, this is going to be the thread of the year. Congrats shiv on your accomplishment.

Its amazing that you can make that much power with a simple piggy back system.

Now lets see some videos!!!
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      11-05-2007, 09:16 PM   #35
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First thing I would do is damp down that 3200 rpm peak. Ahh, the beauty of the adjustable power map!
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      11-05-2007, 09:16 PM   #36
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Wow! Congrats on an awesome number!
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      11-05-2007, 09:16 PM   #37
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Good God those are some big numbers! Hurry up with V2.02 as 2.01 seems to have some miss (under extreme loads)in a few cars including mine.
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      11-05-2007, 09:19 PM   #38
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Quote:
Originally Posted by stressdoc View Post
First thing I would do is damp down that 3200 rpm peak. Ahh, the beauty of the adjustable power map!
It was already at 80% down there. After putting down that much torque, I never really thought of stepping it up I'm guessing we could have seen 450-470lbft of torque at the wheels if we bumped it up to 100%. We'll see soon enough I guess.

shiv
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      11-05-2007, 09:20 PM   #39
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Quote:
Originally Posted by shiv@vishnu View Post


This compares today's run with a run taken nearly approx 1 year ago when the car was stock. Same dyno. Reasonably similar conditions. Identical test procedure.

For those who question the correction method, here are the results SAE corrected:


and Uncorrected:





FWIW, this wasn't even our highest run. The best peak numbers from todays tuning session came from this run:


It was early in the tuning process so boost curve is a little bumpy with boost taper occurring too early (6700rpm).

Full Disclosure:
Today's runs were on 98 octane, not 91oct pump gas. These results are with stock downpipes/stock primary cats. We will be installing catless downpipes as soon as we get them from Riss Racing. That means that the only exhaust mod is our cat-back which replaces the secondary cats. We are still running the stock intercooler and diverter valves as well. We are playing around with a custom intake design but have yet to quantify its effects. Still too busy with PROcede mapping to get to that point just yet. We figured you guys just wanted to know what the car is capable of given just over 1 year of development time. I'm guessing that there is still another 20-30whp in there too v2 baby.
Cheers,
Shiv


Wow you have doing tons of dyno on the 335i.. you got about 140X sample on the dyno.. i did not know this car can handle over 140 + times.. very impressive. Congrad for your good work.. 400 and 400 lbs of torque.. i hope to see my v2 soon.. i know u got those pre config on the v2 for us.
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      11-05-2007, 09:21 PM   #40
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Quote:
Originally Posted by shiv@vishnu View Post
It was already at 80% down there. After putting down that much torque, I never really thought of stepping it up I'm guessing we could have seen 450-470lbft of torque at the wheels if we bumped it up to 100%. We'll see soon enough I guess.

shiv
Shiv what would you recommend as the min octane rating with this map?

98?
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      11-05-2007, 09:21 PM   #41
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Please don't take this the wrong way, but until 3rd party dynos show this, it's pretty easy to trick a dyno into reading what you want.

The limits of our engine yet to be found. Somebody has to blow something up.
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      11-05-2007, 09:22 PM   #42
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Quote:
Originally Posted by Evo8MRto335I View Post
Yep, but keep in mind the exhaust is just a half exhaust, the real gains comes from ther catless downpipes.
+1
I think the exhaust on the Vishnu car is more for sound than performance.
These gains are mostly the tune + 98 oct...things around here are going to get very interesting now.
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      11-05-2007, 09:22 PM   #43
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Quote:
Originally Posted by Walked U View Post
The tranny is another thing.
+1

Something has to be done with the tranny (especially the 6AT). 2008 should be interesting as the heavily modded 335i cars with V2 will mostly likely all be pushing 400+whp. As optimistic as I'd like to be, it will be interesting to see if there are any negative effects of that much extra power with no other drivetrain upgrades.

Let the field testing begin...
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      11-05-2007, 09:23 PM   #44
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To sneak a phrase from Emril, BAMMMM!

What does the power curve feel like, seat-of-the pants? Predictable and controllable (well, insofar as 400+ whp can be...)? Or a bit peaky?
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