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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 > JB4 won't save certain settings

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      03-24-2017, 10:24 AM   #1
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Drives: 2007 335i Coupe 6MT
Join Date: Feb 2013
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JB4 won't save certain settings

I just recently installed the N54 on my 07 335i. I've been going through the different menus and adjusting all the settings to my preference. I can't, however, seem to save the settings for certain options. I have no trouble saving the map and the shift light but for some reason when I move to 4 on the speedo and try and change the rpm tach to anything else it never saves my selection. The same problem occurs when I move to 5 on the speedo and try and move the rpm tach to 7 so that I enable the gauge sweep. I go to 5 and then move it to 7, then I switch the speedo back down to 4. But when I go back to 5 it hasn't saved and the rpm tach sits at 0. Am I doing something wrong? It's driving me crazy.
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      03-24-2017, 11:52 AM   #2
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Drives: 2007 335i, 2015 M3
Join Date: Dec 2008
Location: N54tuning.com

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You are misunderstanding how things are selected. For on/off toggles selecting it toggles it from on to off or off to on, and the menu will always return to 0 when going back regardless of the state of that particular setting. Only certain critical settings on specific menus are identified each time the menu is opened.

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335i, jb4, n54, tuning

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