Need to replace radiator. Should I flush/clean?

[g300d]

Originally Posted by cn90

Just wondering if anyone has done this: vinegar + distilled water. Run it for 30 min bc vinegar cleans up mineral deposit well.

Then drain, refill with distilled water. Repeat a few cycles then add distilled water + coolant for the final fill?

I've done a variant of this, citric acid flushes. I dont remember doing it on any BMW's yet though, more on Mercedes (it's a factory procedure to at least the 90's).