Sporty SUV tested by CPA

BMW combines dynamics, agility and sportiness in SUV form. The in-line six-cylinder familiar from the M140i also produces 360 hp at 6000 rpm in the X4. The PowerBox from CPA inspires the powerful X4 with an additional output of up to 88 hp and 123 NM. Thanks to the map optimization, variables such as boost pressure or injection quantity are adjusted. As a result, the X4 M40i shows its best side and shines in our tests. The SUV storms forward vehemently, the high-revving six-cylinder engine has plenty of torque in every area. Despite the performance optimization, the comfortable and sublime driving experience of an SUV is retained. Uncompromising chip tuning in every respect!