Full LED Headlight Assembly for BMW S1000RR 2015-2018 E-MARK Certification KT Full LED Headlight Assembly for BMW S1000RR 2015-2018 E-mark Certification 300% Brighter Dual low/high beam Plug & Play PS: Any Customs import tax should be responsible by the buyer,as well as we would not bear any losses due to the refusal of clearance by the buyer. 1 X Headlight for BMW S1000RR 2015-2018 1 X Relay Harness 1 X extra handlebar low beam on/off switch (only when modify it to the handlebar position needed) 1 X user manual KT support will reply any question within 48 hours (normally within 12 hours except weekend). Could I install it by myself? Actually KT suggests the headlight assembly be installed by professional mechanic in order to ensure better fitment and avoid the improper installation. To some extent, KT also encourages the customer to do the installation by himself if he is familiar/professional in this field, considers the high labor cost as well, but he shall strictly follow the instruction manual, otherwise KT would NOT be responsible for the failure of the improper operation. And for sure KT would provide necessary help if the customer requires. How to apply for the warranty? One-year warranty will be offered for all KT headlight assemblies. For proof, we will require the customer to send pictures or short video to prove the defective parts /malfunction. If it is less than 3 months, the shipping cost for the replacement(s) would be borne by KT. If more than 3 months and less than 1 year, the shipping cost for the replacement(s) would be borne by the customer. If more than 1 year, KT would also provide replacement(s) with reasonable price.