After 911 cash inflows started injecting in Pakistan's economy because of its role in war on terror which caused expansion in the economy of Pakistan. People living abroad also returned to Pkaistan with their earnings and this caused further expansion. Due to these reasons a property boom came in Pakistan and people had more money at their disposal and to a large extent they used this money in buying big luxursious imported vehicles like BMWs, Mercedez, even expensive Sports cars. Policies of government at that times were in favour of imports so the capital which came in pakistan flew back.