How to fix a leaking coolant system in a BMW 6 Series?

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Sophia 4 hours ago

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How to fix a leaking coolant system in a BMW 6 Series?

I recently noticed that the coolant level in my BMW 6 Series has been dropping steadily. Upon further inspection, I found a leak in the coolant system. What could be causing this issue and how can I fix it?

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**Mark** · Answer 1 · 2025-07-19T09:05:10+00:00

The most common cause of leaking coolant in a BMW 6 Series is a damaged coolant hose. Check all the hoses for any cracks, holes or loose connections. If you find any, it's best to replace them as soon as possible to prevent further damage.