i like the optima red top i have one of this batteries on my other tdi for the last 4 years and the performance is outstanding th4 one that i have is the 34/78 800cca amps and 1000cca at 33 but i live on miami (always warm )so it will push more than that i put it on the x5 and it started like a breeze
and i have the creator c310 and honestly i dont know how to use it it will show codes and numbers that i will have to learn how to use .
i also place an order for the kan impa usb interface cable and software .
an i an open to any ideas.
regards