BMW AG beat market expectations with an 11% rise in second-quarter net profit, helped by robust sales of the luxury auto maker's three car brands including a jump in demand for Rolls-Royce limousines.The Munich-based manufacturer on Tuesday that net profit rose to EUR1.94 billion euros ($2.2 billion) in the three months to end June from EUR1.74 billion a year earlier, ahead of the average analysts' forecast for EUR1.80 billion.Revenue rose 4.5% to EUR25.01 billion partly on a 5.7% rise in sales of BMW cars and sport-utility vehicles to 507,814 units. Sales of the German group's MINI brand rose 5.4% to 96,587, while Rolls-Royce sales rose nearly 15% to 1,133, leaving overall sales up 5.7%. More from Market Watch: http://www.marketwatch.com/story/bmw-profit-up-on-rolls-royc...