We don't have a lot of BMW X3 cooling system problems on file — feel free to add yours here. The most common X3 cooling system problems cost $1,200 to fix & occur at 88,000 miles. Click on a year below.

Worst Cooling System Problems
failed oil filter housing and cooler 2018 BMW X3
coolant reservoir leak 2005 BMW X3
coolant pump 2013 BMW X3