BMW has a range of luxury crossovers to its credit and the X1 is n example of a hugely successful crossover SUV from the stables of the hugely successful German car maker. The BMW X1 is an all wheel drive vehicle based on the X6 and the vehicle shares its platform with the X3. However, the X1 is a smaller and more economical version of the X3.The X1 is a five door compact cross over SUV featuring a front centric engine with rear wheel drive with an optional four wheel drive model.