China Knowledge reported that BMW AG, the world largest premium car maker sales in China rose 31%YoY 27,197 units last month. In the first four months of this year, BMW saw its China sales rise 35%YoY to 107,211 units. Sales of BMW cars grew 30%YoY to 25,292 units in April, taking the total sales of BMW vehicles in the first four months to 100,300 units up by 35%YoY. In 2011, BMW sold 232,586 BMW and Mini…