Very easy to install, and extremely bright compared to the stock halogen light, totally different.
I am not a tech person, but the installation took less than an hour. Drilling the water cover was a bit hustle, but there was no nervous process.
As the description says, it is fully integrated with CANBUS system, so you don't need any additional module.
I was bit confused before the installation, because 1 Off Motorsports website says it requires CANBUS decoder, which is sold separately, to avoid the warning message.
I, however, installed the kit without the CANBUS decoder to my F650GS Twin (2010), and it worked.
It seems 1 Off Motorsports website still sells the OLD kit which requires the CANBUS decoder, and the one Sierra BMW is selling is fully CANBUS integration and doesn't require CANBUS decoder.
I recommend this kit for your safety driving.Rating: [5 of 5 Stars!]