
I don't think frost and freezing are major concerns in your area but you could add methyl hydrate (aka wood alcohol, methyl alcohol) to lower the freezing point if you ever experience days in which the stuff freezes on the windscreen. Your tag says you live in Florida, plain water (ideally distilled water as its mineral free) with a small amount of car wash soap will clean the glass and help strip off the bug guts. However, they won’t ask you to mix up anything.
WINDSHIELD FLUID WITH ANTIFREEZE PROFESSIONAL
Professional detailers and mechanics might advise you to use windshield washer fluids because of the numerous benefits that they offer. Heck, they don’t even recommend the use of such products on their cars. Its also important not to run the washer pump continuously, most are cooled with the fluid and not built to run no-stop. Car manufacturers wouldn’t recommend mixing windshield washer fluids. Now consider the other fluids used in automotive DIY repairs, including solvents like brake cleaner. Label the container and take it to the local waste station for recycling. Stop and think about the number of fluids your vehicle needs to function properly: motor oil, windshield washer fluid, transmission and brake fluids, antifreeze, etc. Use distilled water to dilute it to taste See the image of the same table on the bottle, too. Size (PN: 83 12 0 405 186)' goodness one has to buy, here it is.

This is important because if your car’s engine overheats, the RV antifreeze will not turn. RV antifreeze also has a higher boiling point than windshield washer fluid, meaning it will stay in liquid form at a higher temperature.

1) For those looking for the original data on how much of 'Original BMW Windshield Washer Antifreeze 16.91 fl oz. RV antifreeze is typically a 50/50 mix of propylene glycol and water, while windshield washer fluid is mostly water. Clean windshields are essential for safe driving, allowing you to see the road and any obstacles that may cause damage to your car. If someone screwed up and did add coolant into the wrong bottle (on some vehicles the manufacture puts the coolant overflow tank right beside or as part of the washer fluid bottle) the best solution is to lift the hood, find the tubes which feed the spray nozzles, disconnect it and run a tube into a container and use the pump to clear out the reservoir, and then run water through the system a few times to clean out any residual. Some more info on Original BMW Windshield Washer Antifreeze. It has been known to damage paint, and the residue would attract dirt so it would make a poor replacement, it also costs more so you are really throwing money away for a less able product. BMW Windshield Washer with Antifreeze, 5L has been specially designed for use in winter, when temperatures become negative.
