BMW 3-Series (E90 E92) Forum - View Single Post - Problem: n55 no power, building 0 boost. No codes! Help!

turugara · 12-05-2011, 11:50 AM

Update: removed JB4 module, all problems went away. Jb4 was installed when the beta came out and worked amazingly through a number of track days. I don't understand how it would miraculously cause issues.

12-05-2011, 11:50 AM	#30
turugara Major 91 Rep 1,324 Posts Drives: 335i Coupe, 6 Speed Join Date: May 2011 Location: NYC iTrader: (5) Garage List 2011 BMW 335i [9.44]	Update: removed JB4 module, all problems went away. Jb4 was installed when the beta came out and worked amazingly through a number of track days. I don't understand how it would miraculously cause issues.
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