2.PERFECT FIT: Direct OEM replacement designed specifically for BMW models (include exact models/years, e.g., 5 Series,F10,F11,F18,6 Series,F12,F13,7 Series,F01,F02,3 Series,E90,E91,X3,E83,X5,E70, etc.).
3. Leak-Proof Design – Precision-machined grooves with reinforced O-rings ensure airtight sealing, solving common coolant leakage issues,22mm.
4. Quick-Installation – Barbed ends and pre-attached stainless steel clamps for tool-free, 1-minute replacement.