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      03-30-2013, 12:10 PM   #1
adrenergic stimulation
blackbeast06's Avatar

Drives: 2015 M4 MW/SO 6MT
Join Date: Dec 2009
Location: Columbus

iTrader: (4)

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2006 325i  [0.00]
jb4 1st gear boost only 5lbs??

I have been running a jb4 G4, dp's, and dci for a year now. When running logs in third gear I am hitting ~15lbs of boost and the logs look clean. I have noticed though that first gear just didn't seem to have the same kick as the other gears. Well I finally turned on the boost on fuel gauge and noticed that I am only hitting about 5lbs of boost in first gear. The jb4 is set to map 5. I know that there is a boost limiting setting you can set the jb4 to in first gear but I did not set that parameter. Is this a function of map 5 or may this be another issue?
2015 M4 Mineral White/Sakhir Orange 6MT
Retired 2007 335i Montego Blue/Saddle Brown 6 MT
Retired 2006 325i Black/Black 6MT

[IMG]m4 by senntera, on Flickr[/IMG]