Quote:
Originally Posted by T_N_C
Coolant is a closed system, if you keep running low you have a leak somewhere or possible a head gasket issue.
And no the VSS does not burn coolant, it burns oil.
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Second that! coolant will not be lost becasue of bad valve stem seals. Valve stem seals only come in contact with engine oil, they do not seal any coolant passeges.
Usually what craps out on a 48i that causes a lot of coolant loose is the engine water transfer pipe
https://www.bavauto.com/bmw-coolant-...RoCcsQQAvD_BwE
Love the sound of my old 4.8i, and it was a reliable tow partner. But damn damn the bad bmw service person did a bad touch. he kept touching me in my back pocket where my wallet was.