It's an add on adapter to boost the power. Burger Motorsports. It's supposed to be undetectable when removed for warranty work because it doesn't flash the ECU.
The start of an addiction. Diggs is your friendly crack dealer .
https://www.burgertuning.com/collections/volkswagen/products/group-2-vw-ea888-tuner
Just go ahead and install the usp cast water pump now and tell us if you still enjoy the car after that install ? enjoy tho. They are fun cares that can take the beating! Except the plastic water pump housingMerry Christmas from a brand new GTI owner!
I just purchased my first GTI last night. Got a 2019, black, S trim level, manual transmission GTI. I drove it for 2 hours after I bought it and I really like it. I wish I hadn't waited so long to upgrade from my old car.
And now to start thinking about mods... LOL
Have a great holiday,
Tom