UNFORTUNATLEY MY ECU IS LOCKED SO BM3 ISNT AN OPTION... I DID FIND A RESOLUTION TO THE PROBLEM IF ANY ONE IS HAVING ISSUES W THE SAME THING. I GUESS JB4 HAS ISSUES W OPENING AND CLOSING THE FLAP. SO IF YOU TURN UR LIGHT SIGNAL TO RIGHT AND HOLD DOWN THE BC BUTTON TILL IT FLASHES ITLL OPEN THE...
NEW TO THIS TUNING WORLD, I INSTALLED A TITAN CATLESS DOWNPIPE NOT TO LONG AGO RUNNING A JB4 IVE NOTICED WHEN I RUN E30 BLEND ITS NOWHERE NEAR AS LOUD OR DOES ANY POPPING COMPARED TO RUNNING REGULAR GAS.. ANYBODY HAVING THE SAME ISSUE OR KNOW WHAT THE PROBLEM CAN BE?
ALSO BEEN RUNNING REGULAR...