Quote:
Originally Posted by cn90
I have an E39 5-series (1998 528i) and E53 X5, basically same tricks:
1. Engine COLD.
2. Open the bleed screw near thermostat.
3. Fill the reservoir above MAX by about 1-2 inches, the key thing is PATIENCE! Sit and wait 2-3 minutes, you will see coolant coming of the bleeder screw hole near thermostat.
4. Now close the bleeder screw (gentle, no need for force).
5. Re-install the reservoir cap.
Test drive around the blocks for a good 1/2h. Let the engine cool down. Check coolant level 1h later when engine is COLD.
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Thanks Cn90. I could be wrong, but, I don't see a bleed screw near t-stat (as some videos have shown one there). The only one I see it right next to the expansion tank filler opening/cap.