Quote:
Originally Posted by e90fun
The first is the one that you are experiencing which is like a sudden loss of power that actually sort of lurches you forward in your seat then resumes to pull.
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Yeah I seem to be having this issue as mentioned. But I've only seemed to notice it after installing the JB4 and setting it to Map 1. I also feel that it might be because the engine hasn't been warmed up enough and you're already pushing it on WOT.
What can be down to resolve it?