BMW 5 Series owners (E60 and E61 chassis), if your upper radiator hose is cracked, leaking, or just old, this direct replacement is exactly what you need! Part number 17127546064, made from durable black rubber, designed to handle coolant and heat without failing. It's brand new in original packaging, unbranded but comes with a 1-year manufacturer warranty for peace of mind. Fits models like the 523i, 525i, 528i, and 530i - basically a lot of the inline-6 and V8 variants from that era. Replacing a worn radiator hose can prevent overheating, coolant loss, and bigger engine problems down the road. Whether you're doing preventative maintenance or fixing a leak, this hose is a straightforward swap that keeps your BMW cooling system in check. Made in China, but built to OEM specs. Keep your luxury ride cool and running right!