swainbmw wrote

How often do you need to flush your coolant on a B 58? I'm hearing typically every three years to protect seals and corrosion. I feel like I need to because we did have a Toyota Land Cruiser that never got done and created head gasket failure. From corrosion. so from experiencing this from another brand, I'm thinking that's why BMW suffers from so much plastic deterioration on parts of of course they're not gonna tell you to do it.

trohde78 wrote

Every three years probably isn't a terrible idea depending on the mileage. I just had mine flushed at just shy of 5 years old, but it only had 32K miles at the time.

swainbmw wrote

I'm 4 years and 16,600 color looks off ..