Unlock Peak Engine Efficiency with the Cutting-Edge Any G40-Spec Coolant

So I have a 2013 audi S4, and the guy at napa gave me a bottle of "g40 ... The VAG coolant requirement specification is TL 774, with increasing ... Comma Xstream G40 Concentrate is an ethylene glycol based antifreeze coolant with Si-OAT (Silicated Organic Additive Technology) inhibitors. It mixes and works with all antifreeze + coolant colors and formulations including OAT, POAT, HOAT & IAT; G05®, G11®, G12®, G12++®, G13®, G30®, G40®, & GG40®. If this is the right coolant, does anyone know the cheapest place to pick some up? gillyallan Mentor ... ... G40 which is an Si-OAT coolant (I guess that means with silicates) ... You can use ANY coolant that meets the following JLR spec: STJLR.651.5003 G40 Coolant (Si-OAT) · Model Years: 2015-Present · Mercedes Spec: 325.5/326.5 · Internal Code: Q1030005 · Color: Pink · Compatible/Mixable With: None ... Coolant type ; cobra259. 4963 posts · #2 ; dubber09. 1606 posts · #3 ; Snatchell. 510 posts · #4 ; Williamhood. 110 posts · #5 ; mckay99 · 24 posts · #7 ... I think I paid close to $30/gallon ~6 yrs ago at the VW dealership. Any alternatives at O'Riely's? G40 Pink/Violet Formula? Like ... specifications after. 1995. For all makes and models of antifreeze. Specially formulated to meet GM, Ford and Navistar specifications. Audi (1996-2005). From some searching online looks like Zerex G-40 might be the correct one. There were images of a G-40-91 EF bottle with different part number ...