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Sport plus 1st pull (drive train malfunction) DSC off no issues

Car spins too much to allow for sport plus to be used dsc off is the only way I can do proper pulls without traction control fighting the engine so hard

Hi Ken. I haven't got my n54 dial in correctly yet been awhile now. Been so busy working finally got into my car again. Anyway. I finally got a new index 12 installed and a new seals and coupler. I think I'm still missing something. My lpfp sensor is at 66psi at idle. I'm on stage 3 dual 450 walbro. Now I upgrade to 1 450walbro and 2nd 525 walbro. And I notice I'm not hitting my actual boost target and sometimes I would go over boost to 34psi but I'm not getting any engine code or anything no boost leak neither.