For coolant - cheap Prestone (concentrate) got my old Speed3 to 60 000km no problem. I used 25% glycol and 75% distilled water and a couple caps of redline water wetter. No more overheating, even idling in +35°C.
Owner reviews for antifreeze
Pentosin has good equivalents.
Brands I recommend are of course Toyota OEM Super Long Life coolant and surprisingly Walmart Asian Red Super Long Life coolant (actually comes out pink ) has never failed me and I offer that as an option to my customers. Then there is the Valvoline zerex Asian I don\u2019t highly recommend this coolant but it does work just not that well from my experience.
I used the pre-diluted Peak European Vehicle formula. It is Hybrid Organic Acid Tech HOAT which is the same as the Genuine BMW brand.
Blue antifreeze that says European only. Your local autoparts store usually has PEAK Euro full strength or Pentofrost NF (G11) antifreeze. Either one of those is good, just dilute it 50/50 with water.
Any **blue** will work - Mannol G11, for example. Get the concentrate and use it with deionized water (also extremely cheap).
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.
They called her back again to say after they started working on it, it's not the water pump, but a coolant leak at the cylinder head, at the head gasket, so what was originally a water pump, is now a head gasket job, 3-4 days.
In a pinch I added Prestone Universal green to my VW coolant, next day the expansion tank had a nasty looking brown mixture in it that freaked me out, my desire to put inexpensive universal fluid to top off my B6 ended up costing me over $150 for VW to drain, flush with cleaner and refill with G12+.
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