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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 > Vishnu Procede update



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      07-31-2010, 12:23 PM   #1
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Vishnu Procede update

Hi guys,
A few people have been asking so I figure I'd make it public. We should be releasing new maps towards the end of next week. Both for 6MT and 6ATs. Now with all aspects of autotuning functional, we are going to make the maps more aggressive. Both 6AT and 6MTs will see slightly more power above 5000rpm. And 6ATs will see a huge reduction in boost taper above 6000rpm. With current 6AT maps, boost falls of to make make the transmission shift quicker and to prevent misfire. But we found another way to accomplish the same without tapering off boost so dramatically.

Also, maps for upgraded turbos will be posted publicly.

Cheers,
shiv

Last edited by OpenFlash; 07-31-2010 at 12:29 PM..
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      07-31-2010, 12:27 PM   #2
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      07-31-2010, 12:27 PM   #3
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aside from the autotune boost gain, any benefits for the turbo upgrade map?
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      07-31-2010, 12:38 PM   #4
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[QUOTE=jpsimon;7751433]aside from the autotune boost gain, any benefits for the turbo upgrade map?[/QUOTE


Sweet looking forward to this.


Jpsimon you have PM.
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      07-31-2010, 01:47 PM   #5
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Sweet, I just got my procede yesterday, I love the continuous improvement makes me wonder if I should install it now or wait until this latest revision comes out...
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      07-31-2010, 02:22 PM   #6
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Quote:
Originally Posted by Dr_Dirt View Post
Sweet, I just got my procede yesterday, I love the continuous improvement makes me wonder if I should install it now or wait until this latest revision comes out...
Install it now and follow the DIY for running the USB cable through the firewall. Well worth the extra couple of minutes added to the install time. Plus, there's been an updated map and/or firmware about once a week lately so you'll want easy access
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      07-31-2010, 02:49 PM   #7
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Nice. Thanks you for continuous providing updates to us. Great product.
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      07-31-2010, 03:25 PM   #8
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Awesome Shiv! Will this release also include ability to switch injection modes from the dash? Haven't been able to take advantage of autotune on map1 since I have injection mode >0 all the time.
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      07-31-2010, 04:09 PM   #9
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Shiv, is the boost holding (delayed close on wategate) between the shifts (6MT) part of the autotune feature? I do not see you cover this topic in Vishnu forum.
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      07-31-2010, 04:14 PM   #10
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Quote:
Originally Posted by FlyingHorse View Post
Shiv, is the boost holding between the shifts (6MT) part of the autotune feature? I do not see you cover this topic in Vishnu forum.
Yep it's there. No need to do anything other than shift quickly and lift off the throttle completely between shifts. If you shift slowly, you will not hold boost between gears.

Shiv
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      07-31-2010, 04:46 PM   #11
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Quote:
Originally Posted by shiv@vishnu View Post
Yep it's there. No need to do anything other than shift quickly and lift off the throttle completely between shifts. If you shift slowly, you will not hold boost between gears.

Shiv
Awesome, FTW PRocede!!!

Btw, did you imply Vishnu would be selling turbo kit by saying "turbo upgrade map will be released soon"?
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      07-31-2010, 06:04 PM   #12
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Quote:
Originally Posted by shiv@vishnu View Post
Both 6AT and 6MTs will see slightly more power above 5000rpm. And 6ATs will see a huge reduction in boost taper above 6000rpm. With current 6AT maps, boost falls of to make make the transmission shift quicker and to prevent misfire. But we found another way to accomplish the same without tapering off boost so dramatically.
Shiv, this is great news. This is what has been missing on the step auto cars. If you can now provide more boost above 6000rpm without the shortcomings of slow gear changes and the effect of less boost taper creating the dreaded spikes/misfires, we should be able to create more hp under the curve and to redline. Eventually with future maps, I'm hoping we can shift higher in the rpm range without taking a performance hit.
Will this be adjustable so we can adjust how much boost taper we want at the upshift via the "Upshift Softening" setting?

Last edited by Sparky66; 07-31-2010 at 06:27 PM..
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      07-31-2010, 06:15 PM   #13
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Awesome!! That's great news!
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      07-31-2010, 06:27 PM   #14
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Quote:
Originally Posted by shiv@vishnu View Post

Also, maps for upgraded turbos will be posted publicly.

Cheers,
shiv
what are the options if we want to upgrade our turbos? do we have to upgrade our sparkplugs, fuel rail and injectors as well?
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      07-31-2010, 06:34 PM   #15
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Quote:
Originally Posted by cocoturkey View Post
what are the options if we want to upgrade our turbos? do we have to upgrade our sparkplugs, fuel rail and injectors as well?
Nope. No additional mods needed up to 16-17psi. Above that, you'd really want/need a methanol injection kit. With upgraded turbos capable of running 20psi easily, that'a a HUGE bang for the buck.
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      07-31-2010, 06:42 PM   #16
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Quote:
Originally Posted by shiv@vishnu View Post
Nope. No additional mods needed up to 16-17psi. Above that, you'd really want/need a methanol injection kit. With upgraded turbos capable of running 20psi easily, that'a a HUGE bang for the buck.
i already have your Meth Kit installed.... so i can go ahead and upgrade my turbos? which turbo would you recommand? do i need to upgrade the meth injector that came with your Meth Kit (from M5 to M7) ?
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      07-31-2010, 06:47 PM   #17
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Quote:
Originally Posted by cocoturkey View Post
i already have your Meth Kit installed.... so i can go ahead and upgrade my turbos? which turbo would you recommand? do i need to upgrade the meth injector that came with your Meth Kit (from M5 to M7) ?
Our kit already comes with the m7 so no need to upgrade to anything bigger unless you are going for max power (20-21psi) in which case you'll want an M10.

As for turbo kits, we have the Procede running on upgraded turbo kits from Turbo Dynamics, EPL and ASR. Nothing on the RB kits yet but that will soon change as more of them hit the streets in the upcoming weeks. Just go with the one that best suits your budget and needs. The EPL is the most affordable but since it's not a full compressor AND turbine upgrade, it may not provide as much peak power as the other options. In theory, at least.

Shiv
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      07-31-2010, 07:03 PM   #18
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Quote:
Originally Posted by shiv@vishnu View Post
Our kit already comes with the m7 so no need to upgrade to anything bigger unless you are going for max power (20-21psi) in which case you'll want an M10.

As for turbo kits, we have the Procede running on upgraded turbo kits from Turbo Dynamics, EPL and ASR. Nothing on the RB kits yet but that will soon change as more of them hit the streets in the upcoming weeks. Just go with the one that best suits your budget and needs. The EPL is the most affordable but since it's not a full compressor AND turbine upgrade, it may not provide as much peak power as the other options. In theory, at least.

Shiv
i just check Turbo Dynamics and this is what i found:

-----------------------------------------------------------------------

Stage 1 - £750.00 + VAT each to overhaul existing units or £1995.00 + VAT for new units
Specially modified compressor wheels fitted. Compressor cover profile re-profiled to suit replacement compressor wheels. Exhaust wheels lightened and modified to help reduce backpressure. Turbochargers fully blueprinted.
Estimated Power Output:- A conservative 50-60 bhp should be achievable from these units with correct mapping.

Stage 2 – £1695.00 + VAT each to overhaul existing units or £2995.00 + VAT for new units
Replacement Core Assembly retrofitted into heavily modified existing housings. Larger compressor wheels fitted. Larger exhaust wheels fitted. Existing compressor cover and turbine housing profiles modified and reprofiled
to suit new wheels. Turbochargers fully blueprinted.

Please note these units will require replacement oil and water lines to fit (also in development) and modifications to the intercooler / intake pipework will be required required.

Estimated Power Output:- An estimated 100+ bhp should be achievable from these units with correct
mapping
---------------------------------------------------------------------




but i can't find any pricing information on ASR turbos. Do you think ASR is a better choice over Turbo Dynamics? If i change my turbos and upgrade my methe injectors to a M7, would my AT be able to hold such torqe?
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      07-31-2010, 07:12 PM   #19
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So this will be firmware #23? I ordered the PROcede on the 29th, the day you posted firmware #22, so I'm still on #21. Do I have that boost holding feature?

By the way, just installed it today, and so far (only put about 15 miles on the car) I love it. Not looking forward to undoing it all (almost) to do the update, but I love that I can update it. I would try to run the USB cable through, but surely a dealer would wonder why it was there, and I don't want to have to undo that every time.
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      07-31-2010, 07:23 PM   #20
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Route the cable - only takes 5 more mins to remove than the procede.
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      07-31-2010, 07:28 PM   #21
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Question

Quote:
Originally Posted by shiv@vishnu View Post
Hi guys,
And 6ATs will see a huge reduction in boost taper above 6000rpm. With current 6AT maps, boost falls of to make make the transmission shift quicker and to prevent misfire. But we found another way to accomplish the same without tapering off boost so dramatically.

Cheers,
shiv
Did you make a change back in April (4-1 maps)? I was misfiring for months prior to March or April. I went and bought the plugs but never changed them as I never got those misfire codes again (10702,10705,10706) after I believe the 4-1 maps. Now that I know why I don't get the misfire anymore (due to boost falling after 6K rpm), what are changing the future maps?
I've notice many people on the board hasn't been talking about misfire issues as well as of late.
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      07-31-2010, 07:34 PM   #22
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Quote:
Originally Posted by AltecBX View Post
Did you make a change back in April (4-1 maps)? I was misfiring for months prior to March or April. I went and bought the plugs but never changed them as I never got those misfire codes again (10702,10705,10706) after I believe the 4-1 maps. Now that I know why I don't get the misfire anymore (due to boost falling after 6K rpm), what are changing the future maps?
I've notice many people on the board hasn't been talking about misfire issues as well as of late.
Yep... we adjusted the boost mapping sometime back in April which fixed the misfire issue some 6ATs were having. So at the risk of fixing something that isn't broken, we're going to change the way we did it again. And potentially pick up a bit more performance without any shortcoming.

Shiv
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