Alpina – B6 engine typeOriginal performancePerformance after tuningVmaxMore efficientprice 4.4 V8368 kW (500 hp) 700Nm441 kW (600 hp) 800Nm*100 hp899€ 4.4 V8 S390 kW (530 hp) 725Nm441 kW (600 hp) 800Nm*70 hp899€