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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 > Which stage Vishnu to run?



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      11-11-2013, 04:30 PM   #1
fl335i
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Which stage Vishnu to run?

Currently I'm running a 0 or stg 1 IIRC. Been since last year that I messed with the computer. In the past month I've installed a Dinan oil cooler, previously no oil cooler just watched temps, and this past weekend I did a Dinan inter-cooler. Exhaust is stock other than flapper mod. Look at my sig for more mods, but I have a diff. I'm debating running Stg 2 tune. what do you guys think?
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      11-11-2013, 05:33 PM   #2
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Stage 2 may be too aggressive as it usually requires downpipes. Only way to know is to log and see how it takes the added boost.

You could always opt to take the boost from stage 1 and the boost from stage 2 and average them out and apply them to a custom map. I would tell you how but it's not something that can be typed out in a few sentences. If I get some time later perhaps I'll make some screen shots for a how to.

Do a log from 2500 RPM to Redline. Wide open Throttle. Traction Control Off. 3rd gear into 4th gear in a SAFE place.
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      11-12-2013, 08:10 AM   #3
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^ I really hate tuning software. All i know is the new IC has made a difference in a lot of ways. MPG's, power in the real low rpm's with a load... smoother power. Why can't the computer be like a IC. swap it out. So long story short, run stage 1.
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