Water Flange Head (Topran) (N47 N57) (BMW 1 Series F20/F21 / 3 Series F30 / X1 E84 / X3 F25 / X4 F26 / X5 E70 / Mini) is a critical cooling system component designed to connect coolant hoses and regulate coolant flow within BMW engines featuring N47 and N57 diesel configurations.
This water flange head fits various BMW models including 1 Series (F20/F21), 3 Series (F30), X1 (E84), X3 (F25), X4 (F26), X5 (E70), as well as some Mini vehicles. The unit mounts typically on the engine block to facilitate the proper circulation of coolant, helping maintain optimal engine operating temperatures.
When replacing this part, comparing the unit with the existing water flange head is important to ensure compatibility with the N47 or N57 engine designation and the specific BMW model series. Differences in shape, mounting points, and hose connections should be noted.
Key points to consider:
- Explicitly designed for BMW engines using the N47 and N57 diesel platforms.
- Compatible across multiple BMW series and Mini applications as listed.
- Essential for maintaining cooling system integrity and engine temperature regulation.
For further assistance in confirming fitment or sourcing complementary parts, contacting the sales desk or submitting a request for parts is advisable.
Need help matching this item to your vehicle? Use Vehicle Parts Finder, Request a Part or Platinum Sales Desk with your VIN, engine number, part number or clear photos.





