Hi Everyone
Please assist i currently have a 135 2010 with the following mods
* JB4
* Charge pipe
* Sport cooler
* Intake
* TMS down pipe and m performance exhaust
* Meth
i found the JB4 to be very inconsistent and need advise on the following do i go back end flash on the Jb4 or full MHD? i want the car to be consistent but still safe. i dont see a lot of reviews on mhd for N55 but plenty for N54.
 do i go back end flash on the Jb4 or full MHD? i want the car to be consistent but still safe. i dont see a lot of reviews on mhd for N55 but plenty for N54.
PLEASE HELP
			
			Please assist i currently have a 135 2010 with the following mods
* JB4
* Charge pipe
* Sport cooler
* Intake
* TMS down pipe and m performance exhaust
* Meth
i found the JB4 to be very inconsistent and need advise on the following
PLEASE HELP
 
				 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		