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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 08-08-2012, 11:02 AM   #1
bryce-o
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[strictly a feeler at this point] Vishnu Tuning for BMW e46's?!

hey guys,
i have experienced a lot of tuning options for bmw 3-series and 1-series cars:


-eurocharged flash (current, on my e46 zhp)
-cobb accessport flash (on my e90 335i)
-burger tuning jb3 and jb4 (on my e82 135i)
-vishnu procede (on my e90 335i and e82 135i)
-GIAC flash tune (on my 135i)



long story short, i know a quality tune/flash/map when i drive one. vishnu procede was ALWAYS my favorite tune on my n54 powered vehicles. it is aggressive, but safe. it's a piggyback solution, which affords a lot more options than a re-flash:

-USB cable to hook up laptop to:
*datalog
*read/clear codes
*reset adaptations (throttle, octane, knock, etc)
*adjust tune settings yourself
*turn on/off auto-tuning (more on that in a bit)


-install/un-install yourself just in case (warranty work, sell car, etc)

-CPS off-setting
*more ignition advance/retard depending on conditions of gas, temperatures, etc
*engine feels more eager to rev


-auto-tuning
*this is HUGE in my opinion. see below for more details:







auto-tuning is a way the procede "learns" what the car likes and dislikes. on my twin turbo cars, it would raise/lower boost PSI based on knock sensor activity, exhaust back pressure, IAT's, etc.

what this means is it's better than a dyno tune, because it's constantly updating and adjusting itself based on conditions. if you get a bad tank of gas, ignition timing will be reduced. if you are in hot climates, boost and igntion timing will reduce to avoid knock.








simply put, this is one of the most ADVANCED tunes i've ever had the pleasure of owning.









so, i want one for my e46. i realize the tuning market for m3 and non-m e46's is pretty stable, nothing new or noteworthy has come out lately. i think Vishnu Performance would clean up in this market. Their dyno's are killer. the car feels so much more responsive than with a flash. i'm trying to pitch this platform to Shiv, the owner. i think if we get enough people to express interest in it, he'll consider porting the procede to the e46 (m and non-m models). please post here if you want more information or are curious how a piggy back can make your car more powerful and responsive than a reflash. thanks
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Old 08-08-2012, 11:08 AM   #2
bryce-o
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here's a pic of the procede:



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Old 08-08-2012, 11:28 AM   #3
Rob1796
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It would be interesting to see if Shiv would get into the S54 game. I know he's done a handful of the Procedes for The E9x M3, but on an NA car, the gains just aren't there to be had like they are on a turbo car. I know that when I spoke with a few guys at Cobb directly about why they dropped support on the Z (I know, not the same car or company, but a good example), they said that there just aren't any real gains to be had from tuning. Personally, I would rather see something more AP like: access to both canned tunes/OTS maps and end user tunability for the car. I know you can get some of that out of the Procede as well. It'll be interesting as to what Shiv says about this.
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Old 08-08-2012, 11:33 AM   #4
bryce-o
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Quote:
Originally Posted by Rob1796 View Post
It would be interesting to see if Shiv would get into the S54 game. I know he's done a handful of the Procedes for The E9x M3, but on an NA car, the gains just aren't there to be had like they are on a turbo car. I know that when I spoke with a few guys at Cobb directly about why they dropped support on the Z (I know, not the same car or company, but a good example), they said that there just aren't any real gains to be had from tuning. Personally, I would rather see something more AP like: access to both canned tunes/OTS maps and end user tunability for the car. I know you can get some of that out of the Procede as well. It'll be interesting as to what Shiv says about this.
cheers

i already emailed him. you're correct, more gains on turbo and supercharged platforms. i was hoping he'd give me a few maps to try out on my zhp though. i can feel gains from my catless headers and eurocharged reflash. i think the procede would provide at least equal gains as a reflash.
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Old 08-08-2012, 09:00 PM   #5
fastjasonbmw
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With the procede, can you disable post-cat O2 monitoring and secondary air? If so, I'd be interested.
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Old 08-08-2012, 09:05 PM   #6
SH4DY
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I remember Shiv from when I had my bug eye WRX years ago but back then he was just offering reflashes. I ended up going with an AP because I had a reputable tuner a couple hours away (also before Cobb released the end user tunable option).
If Shiv can incorporate VANOS control into the procede I might be interested. Otherwise, the AEM FI/C 8 will be the route I go when I need it... relatively cheap, proven platform, internal datalogging, MAP sensor, MAP/MAF voltage clamping for boosted apps, O2 offsets. It's even got the ability to convert the car to speed density. I'm surprised no one has tried installing one yet...
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Old 08-10-2012, 01:10 PM   #7
bryce-o
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Quote:
Originally Posted by fastjasonbmw View Post
With the procede, can you disable post-cat O2 monitoring and secondary air? If so, I'd be interested.
yes you can. that's how i passed emissions with catless downpipes on my 135i and 335i cars
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Old 08-10-2012, 01:11 PM   #8
bryce-o
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Quote:
Originally Posted by SH4DY View Post
I remember Shiv from when I had my bug eye WRX years ago but back then he was just offering reflashes. I ended up going with an AP because I had a reputable tuner a couple hours away (also before Cobb released the end user tunable option).
If Shiv can incorporate VANOS control into the procede I might be interested. Otherwise, the AEM FI/C 8 will be the route I go when I need it... relatively cheap, proven platform, internal datalogging, MAP sensor, MAP/MAF voltage clamping for boosted apps, O2 offsets. It's even got the ability to convert the car to speed density. I'm surprised no one has tried installing one yet...
trust me. you'll want a procede. i doubt the AEM FI/C can control ignition timing. the procede has the best ignition control for a piggy back.

VANOS control is possible with a procede, although on the 335i and 135i cars, it didn't really materialize into significant gains.

the CPS off-setting is boss, however, so i'd still pick a procede over an AEM, if shiv dives into this market
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Old 08-13-2012, 07:59 PM   #9
SH4DY
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The FI/C can control timing to retard it at least which makes it ideal for guys who want to go FI.
Keep us in the loop with what Shiv says... any chance of going to speed density with the procede?
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