If it works as advertised it should be fine.Also, is this the right connector? Interface USB OBD2 II BMW Inpa K + CAN for sale at Gadgettown.com
I use the CTEK 800 (smaller) and with the car off / lights off just accessory on (check engine light) I have been fine. Once you are setup to flash it takes about 30-60 seconds. Only real reason you need a charger is if you get an error on the software and you have to figure it out which adds to the time.Would a fully charged battery and this:
Amazon.com: CTEK Multi US 7002 12V Battery Charger: Automotive
Just remember to take your time ask question if something doesn't seem right. People get in trouble when they rush and just click like crazy! Its really not that hard and somewhat dummy proof!Will do...hopefully I don't brick my car!