Both are professional diagnostic tool,and are new version now,which not only can work with IBM T30,also can work with any other laptop.but they also have many differences,bmw gt1 mainly tends to do old cars and ops tends to do the new cars,ops not only can do diagnose but also can do programming,but GT1 just have diagnostic functions,and ops is more expensive than gt1
There are two systems for BMW OPS: DIS and SSS.For the DIS system, it just has Korean, English and Chinese.
But for the SSS system,there are many languages for you to choose:English,Chinese,Japanese,Spanish,Italian,Greece,French,Russian,Turkish,Indonisia,Swedish,Portuguese,Dutch and Thai language.
You should start your car first, and then connect bmw ops with your car, and then bmw ops can start at last.