Agency Power's new large capacity, high flow performance intercooler for the BMW 135i and 335i is a direct replacement part for the weak factory setup. With this performance intercooler, your BMW will see gains in both horsepower and torque. The Agency Power intercooler will also dramatically reduce the intake temperature to give a boost in power and reliability that all performance car owners look for. When creating an intercooler, size and efficiency are what is needed. With the larger surface area, a 10% reduction in air intake temperatures and power gains of 16 WHP and 15 ft/lbs torque can be experienced. The factory front mount is to small to utilize the entire flow of air coming through the bumper This larger front mount is able to capture and make more use of the air flow and exchange heat much more efficiently.