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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > N55 ISO Tune + Intake Only Dyno



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      12-11-2012, 08:52 AM   #23
ciomas
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Peak HP at 4700 RPM - are you sure its not a diesel?
hahaha, my thoughts exactly ;]
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      12-12-2012, 01:21 AM   #24
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Any cons to this ISO mod/update?
I still don't understand what it does... I'm assuming this "ISO" is not just a firmware update like most other things, because it involves cutting part of the board.....
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      12-12-2012, 07:59 AM   #25
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Any cons to this ISO mod/update?
I still don't understand what it does... I'm assuming this "ISO" is not just a firmware update like most other things, because it involves cutting part of the board.....
+1
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      12-12-2012, 09:00 AM   #26
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ISO is for Isolated boost control, now controlling directly and no longer adding over stock boost. Nothing magical or voodoo about it, you should use it its a great enhancement.

For the record, the Procede use this since day 1 and its one of the reason I prefer my Procede tune over my JB4. I haven't tried the ISO JB4 yet, a bit lazy on switching tunes again. But I will when I'll test the Cobb AP next week I guess...
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      12-12-2012, 09:39 AM   #27
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Originally Posted by Kalud View Post
ISO is for Isolated boost control, now controlling directly and no longer adding over stock boost. Nothing magical or voodoo about it, you should use it its a great enhancement.

For the record, the Procede use this since day 1 and its one of the reason I prefer my Procede tune over my JB4. I haven't tried the ISO JB4 yet, a bit lazy on switching tunes again. But I will when I'll test the Cobb AP next week I guess...
I am assuming this is great because you can have the benefits of piggyback tuning as well? Such as running map 5.
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