Designed and developed in-house by Direnza engineers, our radiator is a direct replacement for the stock BMW radiator and provides as much as 40% additional cooling capacity compared with standard system. The lightweight and durable design makes this the ideal upgrade for the 3 Series 320d. ---TIG-welded for additional strength and durability ---Constructed from aircraft grade aluminium ---Twin-core technology for optimised cooling capability ---Greatly reduces any chance of overheating ---Ideal for improving cooling system performance and reliability Fits: BMW 3 Series E90, E91, E92, E93 320d M27N2, N47, N47N manual 2005-2012 models.