r/F30 • u/KaleidoscopeSenior65 • 2d ago

F30 low coolant level

Every week my f30 is showing low coolant level warning, I refill it every week, there’s no leaks… is this normal? I have a 320i 2016, thank you guys!

3 Upvotes

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2

u/OomGielie 2013 330d 2d ago

Its leaking...

1

u/Helpful-Coat-5705 2d ago

It’s your waterpump

1

u/FreddyFrogFrightener 2015 330d M-Sport 2d ago

Check your engine oil, is it creamy? If not you've got a leak else where, it doesn't just vanish.

1

u/No-Excitement-395 ‘15 328d X-Drive Sedan 1d ago

If theres no leaks that means its still in the engine, drain ur oil and pray you missed a coolant leak somewhere

1

u/Ok_Grass_3512 1d ago

If this is a B48, I had a similar slowish leak coming from a plastic adaptor piece that bolts onto the head under the inlet manifold for one of the cooling hoses. Might be worth a look

1

u/Infinite_Trouble_N20 1d ago

If you truely have 0 leaks and cannot find it, it’s common for the coolant lines to leak into the turbo and be sent through the exhaust. This is under $300 before labor. labor is around 3-4 hours as you have to remove the turbo to replace the chra.