The competition package for the BMW E-serie consists of the Intercooler Upgrade Kit EVO3 and the N54 downpipe kit and fits the following vehicles. BMW 135i E82/E88 BMW 335(x)i E90/E91/E92/E93 Intercooler Upgrade Kit 200001113 The BMW Competition Intercooler Kit EVO III has the following core dimensions (510mm x 303mm x 180mm / stepped, 20,65L)(20Inch x 11,9Inch x 7,09Inch / stepped, 1260,14Inch�) . The high performance intercooler core provides a 162% larger frontal area and 182% more volume compared to the stock mounted intercooler. Our engineers have increased the intercooler core size and efficiency, as well as improved the endtank design to remove any OEM bottlenecks, resulting in increased flow rating and charge cooling properties. We use our award winning WAGNERTUNING Competition Intercooler Core which is made specifically for this application. Constructed of the highest quality Tube Fin intercooler cores with inside turbulators combined with cast aluminium endtanks optimised by CFD for best possible internal airflow. The stock click connections have been eliminated and increased to a connection diameter of �70mm/2,756Inch ( for In- and Outlet, so this kit comes with reinforced silicone hoses. The result is excellent cooling properties and a lot less pressure drop then the stock intercooler. Despite of it�s size the weight of the complete intercooler is only 13,2kg. This Intercooler Kit is the best choice when it comes to performance gains and low intake temperatures and also the right thing for racing. All of our intercooler use an anti corrosion protective coating with perfect thermal heat dissipating character. Optimal cooling with clearly more power. Kit is ready for installation, 100% perfect fit. Easy installation, only some little adjustments at the plastic cooler support are necessary. All of our products undergo rigorous quality control. kit comes with: 1 intercooler black 2 silicone hoses, HD 1 aluminium adapter 1 mounting material 1 installation instruction The N55 downpipe kit with 200 CPSI racing catalyst made with high quality stainless steel 1.4301 (SS304) 100% perfect fit, replace OEM less thermal load on the turbocharger more power by reducing back pressure significantly more torque