Antifreeze PEAK or OEM BMW
The blue stuff is definitely better than the green from my experience. I use the overpriced bmw shit but I think you could probably use the cheap blue stuff just as well.
I prefer peak brand 50/50 premixed. The pink or red Asian import coolant is the only thing I would ever put in my toyota or Scion. It's the same stuff that comes in them from the factory with hybrid organic acid technology (HOAT). Coolant not only keeps your car from freezing in the winter, it has corrosion inhibitors to keep your engine healthy.
Peak Asian green coolant works fine. I used it last week and my Mazda 6 is working fine
Don't buy BMW coolant it's overpriced just like everything else they sell. Blue coolant is preferred but the premixed green stuff isn't going to cause catastrophic meltdowns. My 97 328i has the green stuff and I've got no issues after 196k miles.
I use Peak red concentrate, no probs.
I put purple in my 2015.
I'm the kind of person who uses 100% OEM whenever possible, but I wasn't actually able to find OEM G13. Not sure who the OEM even is.
The purple "Peak" brand coolant in your image is the only kind I was able to find. I've got about 10,000 miles on it and it's been just fine so far.
I’ve used that stuff, absolutely no issues.
I run it and haven't had any problems, just topped it off and kept rolling.
The Peak coolant that is the correct color for your year, i.e. pink for the MkIV, is fine. I have been using it for several years with no problems.
I ran the euro Peak without issue for about a year but I was bleeding coolant and in desperate need of the cooling system overhaul.
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