Using your AS3 radiator guard is easy. First, find the fitting instructions that come with the guard. It includes all the hardware you need for mounting. Just follow the steps in the instructions to attach the guard to your 2021 - 2022 BMW F 850 GS Adventure's radiator. As you ride, the guard will protect the radiator from stones and debris. When it comes to maintenance, simply clean it with a soft cloth and mild soap every once in a while. Avoid using abrasive cleaners as they could damage the textured matt black finish. Remember, this guard has a 12 - month warranty, so if you run into any problems, reach out to the manufacturer.