A coolant leak could be as cheap and simple to repair as tightening a loose clamp on one of the system's several hoses—something you can do yourself. Or it can be as complicated and expensive to repair as replacing a broken water pump.2019-05-25
Can I drive my BMW with a coolant leak?
Driving with a radiator leak is a dangerous operation, as it will very likely cause your engine to overheat. If you are driving down the road and notice your engine is overheating, pull over immediately and let the vehicle cool down.2015-12-31
How much does a coolant leak cost to fix?
If you do it, you'll be able to keep costs down and just pay for the new coolant, which should be around $50. If you go to a mechanic, the cost will be around $90 depending on your car make and model. Replacing a car radiator, however, can set you back over $300-$900.