https://www.gtacarkits.com/product/wireless-carplay-and-androidauto-integration-for-bmw-3-series-4-series-2012-2016/
How to install a kit that enables Wireless Apple CarPlay and AndroidAuto in BMW 3-series and 4-sereies 2012, 2013, 2014, 2015 and 2016 model years (F30, F31, F32, F33, F36).