It will be priced at $147,500, so not exactly a price for the feint of heart or thin walleted. It still comes with the 1.5L turbo three cylinder engine and electric motor. Who knows what exactly went into the pricing adjustment, but I doubt that would deter anyone who wanted to buy one anyway.
http://www.bmwblog.com/2018/02/13/facelift-bmw-i8-coupe-gets-price-increase/
http://www.bmwblog.com/2018/02/13/facelift-bmw-i8-coupe-gets-price-increase/