1L15Y 5M48H BMW CAS4 Test Platform BMW CAS4 tester features: Support test BMW CAS4 1L15Y-5M48H computer 1. Connect test platform with BMW CAS4 computer, if LED1 light on(LED1 lights flashing means it can not communicate), LED2 light fast flashing, indicating the tested BMW CAS4 computer is good. 2. If LED2 light not flashing, indicating the…