I apologize, I accidentally sent the link for the headlight bulbs twice! Here is the led adapter from amazon:

https://www.amazon.com/GZXY-LED-Headlight-KIA-SportageR/dp/B01J5SCQ1I/ref=mp_s_a_1_1?ie=UTF8&qid=1547854730&sr=8-1&pi=AC_SX236_SY340_QL65&keywords=hyundai+headlight+adapter+genesis+coupe&dpPl=1&dpID=419ruDaFaSL&ref=plSrch

You need a set of these to lock H7 bulbs in place into the bk2

GZXY H7 LED Headlight Car Bulb Adapter Holder Socket for KIA K3 K4 K5 Sorento SportageR Coupe Grand Santa Fe Hyundai Sonata9 Coupe Veloster 2pcs https://www.amazon.com/dp/B01J5SCQ1I/ref=cm_sw_r_cp_api_i_Z0ZXTBF5SF8YDXBQ24PA?_encoding=UTF8&psc=1