Model Compatibility: Fits 535i, 640i, and 740Li vehicles as specified in the product title listing. Part Position: Designed as a front upper radiator hose replacement for the identified vehicle models. Function Purpose: Serves as a direct functional replacement to restore cooling system circulation paths. Specification Match: Manufactured to match the dimensions required for the listed model applications. Installation Scope: Intended for direct installation on compatible 535i, 640i, and 740Li engine cooling systems., Manufacturer: TXhvFACft