do88 performance radiator designed for an easy drop-in-fitment in your BMW 135i 335i 35i N54 N55 2007-2013! Free ShippingSignificant advantages do88 (stock comparison numbers):- Greater core volume: 8616cm3 (6701cm3), 29% larger!- Greater frontal surface area: 2154cm2 (2094cm2), 3% larger!- High efficient core with 5,0mm fin height of multi-louvered design.- Single tube core, 1 row 40mm thick core.- Fits all cars in list below!- Easy installation. (See installation instructions)This radiator is constructed to deliver the best cooling efficiency during tough conditions. Exclusively manufactured in aluminum with uninterrupted welds, it guarantees reliability and endurance when you really need it. The increased core volume improves cooling efficiency and lower the liquid temperature. Naturally, this being a do88 performance product, we have executed thorough, severe and continuous tests developing this product to ensure best performance. Not one compromise has been made. This radiator is immensely optimized to the given space for an easy drop-in-fitment. This is the undoubted choice for the inspired enthusiast or the race car driver demanding reliability at the limit. We take comfort in saying this radiator will fulfill your needs! No more cracked plastic tanks, choose do88 today! Link to installation instructions » BMW 1-Series E82 E88Model years: 2007-2013Model: 135i, 135isEngine: N54, N55BMW 3-Series E90 E91 E92 E93Model years: 2007-2013Model: 335i, 335xi, 335isEngine: N54, N55BMW Z4 E89Model years: 2009-2016Model: sDrive 35i, sDrive 35isEngine: N54 OE-REF. / REPLACES 17117547059 - DCT/Steptronic 17117558480 - Manual Transmission