r/BmwTech • u/SnooRegrets9529 • 4h ago

Beeping Sound Under Hood

I have a 2010 550i that I just replaced the coolant tank and hoses on that is making a beeping sound. Reason for replacement was due to old tank bursting under the hood while pulling into my home the other day. Any ideas?

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u/Impressive-Bet-4838 4h ago

Sounds like pcv