Thread: Loud tapping/knocking from underneath the car.
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      12-06-2022, 09:09 PM   #4
nicholas.hudson
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Drives: BMW 2006 E92 325i
Join Date: Dec 2022
Location: Australia

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Also any recommendations for flushing out the oily gunk from the cooling system? I've tried coolant flush but that didn't seem to work very well.
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