1、OEM NUMBERS: The referencing OEM number of the hose are 17127619696, 17128651450. Designed to perfectly fit and function in your vehicle. 2、COMPATIBLE MODELS: Suitable for 5 Series F07 GT LCI 2012‑2017, F10 2010‑2013, F10 LCI 2012‑2016, F11 2010‑2013, and F11 LCI 2012‑2017. A perfect replacement part for your vehicle. 3、EFFICIENT HEAT DISSIPATION: The hose quickly dissipates heat from the radiator, maintaining the engine within its normal operating temperature range. This improves the cooling efficiency of the engine. 4、PREMIUM MATERIAL: Made of durable ABS material, this radiator expansion tank vent line hose is built to withstand high temperatures and provide long lasting performance. 5、EXACT FIT: Designed to match the specifications and dimensions of the original hose, ensuring a seamless installation process without any modifications required.