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Old 09-14-2018, 09:33 AM
jpilk99 jpilk99 is offline
Join Date: Aug 2018
Location: Bolton, MA
Posts: 70
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Originally Posted by cn90 View Post
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.
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.
03 X5 3.0
01 740iL
01 325Ci

00 750iL sold
95 740i sold
99 328i convert
95 325i convert
95 325iS
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