1、Applicable Model: Fit for V8 N62 Engines (2004‑2010); Fit for 5 series E60; Fit for 6 series E63; Fit for 6 series E64 LCI; Fit for X5 E53 E70. 2、Reference OE: 11141439975 is the reference part numbers. Please double check the part number of your item to ensure perfect fit. 3、Leak Free: This collapsible water transfer pipe kit matches the functionality of the original equipment piping to restore leak free cooling system performance. 4、Rugged Structure: Metal material is designed to withstand strong engine heat and aggressive coolant, and withstand harsh environments under hood conditions. 5、Excellent Replacement: Due to the original factory standard, directly replace the old or damaged coolant water transfer tube.