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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 > JB4 N55 Stage 1 and 2 differences??



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      09-20-2012, 01:56 PM   #1
Alan l.
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JB4 N55 Stage 1 and 2 differences??

New to the N55 game....has anyone confirmed whats actually different between the two besides adding CAN clear? HP doesn't seem more with stage 2?

I an looking more than just "oh its better and feels smoother". Heck if i am paying more i want to know what I am paying for besides being able to clear codes.

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Last edited by Alan l.; 09-20-2012 at 02:06 PM.
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      09-20-2012, 02:12 PM   #2
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Here's my review.

http://www.e90post.com/forums/showthread.php?t=729456
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      09-24-2012, 12:39 PM   #3
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Yeah I went with Stage 1 and am happy with it, didnt feel like messing with the ECU but seems like its pretty simple. How much longer would you say the install/uninstall comparing Stage 1 and 2? I know the dam cowl and HVAC filter always takes me the longest to install back on when I go to dealer.
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      09-24-2012, 08:14 PM   #4
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I haven't uninstalled my Stage 2 yet, but I'd guess that it would take less than 5 additional minutes versus Stage 1. The initial install takes a little longer since there are a few additional steps, like putting the pins into the connector. But those steps are a one-time deal, so the reinstall would be much faster.
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      09-24-2012, 08:44 PM   #5
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Quote:
Originally Posted by Jdub679 View Post
I haven't uninstalled my Stage 2 yet, but I'd guess that it would take less than 5 additional minutes versus Stage 1. The initial install takes a little longer since there are a few additional steps, like putting the pins into the connector. But those steps are a one-time deal, so the reinstall would be much faster.
Similar thread - http://www.e90post.com/forums/showthread.php?t=744181
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