I do not think this is common on BMW to "burp" coolant

Get the blue dealer coolant. It cost a bit more, but once you dilute with distilled water, the price is usually better than the off the shelf autostore stuff. Plus it is meant to keep the system clean and running properly.

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2006 4.8is, Black on White. SOLD Sniff Sniff.

2017 F85 x5m, Black on Red. BEAST MODE


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