The electric coolant pump for the BMW X3 G01 B47 diesel operates independently of the engine, allowing precise thermal management. A failing pump causes coolant warning lights and potential overheating. This OEM-specification unit matches the original flow rate and electrical interface.

1. 1
2. Allow engine to cool
3. 2
4. Drain coolant
5. 3
6. Locate pump behind front bumper area
7. 4
8. Disconnect 6-pin connector
9. 5
10. Loosen inlet and outlet hose clamps
11. 6
12. Remove 3 mounting bolts
13. 7
14. Remove pump
15. 8
16. Install new pump with new gasket
17. 9
18. Reconnect hoses and electrical
19. 10
20. Refill coolant and bleed system.