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JuuS · 11-27-2013, 05:50 PM

The JB+ is not an instant mod. Give it a day or two and the burbling/hesitation will go away. You'll notice a big power bump between 3000-5000 rpms. Not too much on the low end where it still feels a bit like stock.

11-27-2013, 05:50 PM	#3
JuuS Private 0 Rep 93 Posts Drives: 2009 135i Join Date: Mar 2010 Location: Vancouver, BC iTrader: (0)	The JB+ is not an instant mod. Give it a day or two and the burbling/hesitation will go away. You'll notice a big power bump between 3000-5000 rpms. Not too much on the low end where it still feels a bit like stock.
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