BMW introduces two hybrid concepts, both of which were developed in cooperation with Mercedes: a full hybrid and a Mildhybridsystem. The latter consists of a 20-hp electric engine with a lithium-ion batteries, which also comes in the S 400 Blue Hybrid used. BMW is building it into one top model 750i, which lowers the fuel consumption of 11.4 to 9.4 liters. On the market, the Active Hybrid is 7 in the spring of 2010, the price is 105,900 euros.