64 99... Fault 04 Circulation pump
WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.
Test Precondition:
Overheating protection not active. Voltage supply at independent parking heater O.K.
Instruction:
Switch on independent parking heater via MID or on-board monitor.
FAULT 04 CIRCULATION PUMP TROUBLESHOOTING
| Question | Measure | |
|---|---|---|
| Is circulation pump running? | No | Refer to Fault 4.1 |
| Yes | The circulation pump is O.K. | |