Features: Ensures your vehicle operates at efficiency with our OEM quality Connection Expansion to Oil Coolant Parts, designed for perfect compatibility with select models. This essential component offer a long lasting solution to maintain your cooling integrity and prevent leaks. For enthusiasts and professional mechanic seeking a replacement part that seamlessly fit models. A must have for routine maintenance or during cooling overhauls, this part ensures your vehicle engine remain cool under all driving conditions. With precise engineering and a direct install design, this water connector expansion to oil Coolant simplifies repairs, restoring your vehicle performances. Specifications: Material: Plastic Size: About. 15cm/5.91in Part Number: 17112248409 Applicable Model: for E46 E83 E85 E86 M47 M47N M57 M57N M54 N52N N47 318d 320d 330d Package Includes: 1pc Coolant Hose Adapter note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.