Quote:
Originally Posted by Fifty150hs
If you're not getting the small stream flow into the expansion tank with the heater set to max, then it's your secondary coolant pump.
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Thanks Fifty150hs. Any idea where that is on an '03 X5 3.0? I can't find it. Realoem makes it look like it's down by the radiator. A Pelican Parts video made it sound like it was further back under the motor, (need to take of that alloy/metal protection cover plate to get access to it).
Thank you,
Jay