This brand new HPS High Temp 3-ply Reinforced Black Silicone Heater Hose Kit for BMW 01-06 E46 M3 Left Hand Drive is designed to replace stock OEM rubber Heater hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS silicon Heater Hose Kit can withstand the harsh high temperature and high pressure operating conditions of the engine yet still maintaining peak efficiency during competition or daily driving. Old cracked or split Heater hoses are not efficiently cooling your engine which can cause it to overheat leaving you stranded. So maintain your vehicle cooling system by replacing your old brittle hoses now before it's too late. Perfect for racing or daily driving application. HPS silicone Heater Hose Kit has all the correct bends and curves for a perfect fit replacement on your vehicle, compare to the universal hoses you can get from the local auto store, HPS hose kit is much easier to work with. Max. Temperature Rating: 350 deg. F. Includes 100% stainless steel liner worm gear clamps for easy installation, which would not cut through the silicone hoses. This product fits BMW 01-06 E46 M3 Left Hand Drive . Remark: Silicone hose water permeation rate is 10 to 15 times greater than standard EPDM rubber hose. Checking water level regularly is highly recommended when silicone coolant hoses are used in a daily driving vehicle.