Intercooler Aluminium Upgrade for BMW. ONLY for MK2 since 2003 with Clipsed hoses. 318D E46 115 – 116hp Engine M47N. 320D / 320CD / 320TD E46 136 – 150hp. 330D / 330CD / 330XD E46 183 – 184 – 204hp Engine M57N. => All models : Sedan, coupes, convertible, touring, compact. Not compatible with 320td Compact with the M bumper. Our Intercooler comes in place of the original one, no modification for assembly, you reuse your original clipped hoses. Oem: 540mm x 130mm x 50mm (=3.50L). GT Performance : 550mm x 170mm x 120mm (Stepped core) (=10.7L). Internal High Flow Separator fin molded into the housing (last picture) to optimize filling and air flow. Significant gain in performance, even more with engine Tune and engine preparation. Ideal for optimum cooling, and more solid than the original. Performance Core and side housings in cast aluminum to guarantee optimal air flow while reducing back pressure.