difference between dot 4 and dot 4 - SERP Analysis

https://www.pistonheads.com/gassing/topic.asp%3Fh%3D0%26f%3D220%26t%3D2050586

https://bobistheoilguy.com/forums/threads/dot-4-brake-fluid-vs-super-dot-4-brake-fluid.179560/

https://www.tomorrowstechnician.com/differences-in-brake-fluid-matter-to-cars-and-owners/

https://www.reddit.com/r/mercedes_benz/comments/1f03ypi/brake_fluid_top_up_dot_4_vs_4/

https://mechanics.stackexchange.com/questions/21911/can-i-use-dot-4-brake-fluid-when-dot-4-is-recommended

https://www.valvolineglobal.com/en-ksa/vehicle-maintenance-brake-fluid/

https://www.justanswer.com/ford/k0n6e-used-dot-brakes-not-lv-will-ruin-it.html

http://forums.pelicanparts.com/porsche-911-technical-forum/1000899-what-heck-dot-4-brake-fluid.html

https://www.youtube.com/watch%3Fv%3DuoyuSaW55i4

https://www.advicsaftermarket.com/technical-resources/tech-videos/breaking-down-the-dot-ratings-for-brake-fluid/