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Originally Posted by GmX5
What about Zerex G-05 coolant by valvoline? I was told that it is just as good as BMW coolant by a local indie. I understand his opinion was a bit bias since he uses it exclusively in his shop. But I did some research and it seems legit...have you guys heard anything about G-05? Any opinions? It says that it is only formulated for certain car makes, and generally newer car models. My X happens to fall into this catagory ('01 4.4). Mercedes has been using G-05 exclusively for 20 years. Im curious to know what others have heard about this coolant  |
I had never really looked too much into the technical details of the different coolants, since I've always had a readily available source of OEM BMW coolant at hand at work... but this sparked my interest and I looked around for some info. There is lots of great info out there!
The BMW coolant is G-48, and the G-05 is very similar and is fully acceptable as a replacement in my eyes from what I've read. If you would like to switch from OEM to G-05, just make sure you do a full flush and don't cross contaminate for best results, and of course mix with distilled water for better results as well.
As for which is better, I could not decipher one to be notably better than the other.
Here's a link to another forums thread that had plenty of good info and other helpful links hidden in it:
http://www.bimmerfest.com/forums/arc...p/t-46962.html