Bmw Coolant Vs Zerex G48

Are these the same coolant? About to do a refresh of the cooling system. I can get the Zerex much easier and can find it pre. I ran across this technical bulletin (see attached file) from Valvoline's web site, dated 6/18/2003, stating that they make a G48 spec coolant called Zerex G 48.

Interestingly enough, the bulletin specifically states that Zerex G48 is "BMW Approved" so with that in mind, I'm going to continue researching this one and I'll post my findings. BMW coolant price is in the $40 range, Zerex offers an option of "g48" code they state is compatible with BMW at almost half the price. Should i trust it or bite the bullet and buy BMW?

Can anyone tell me the difference between G-05 and G-48 zerex antifreeze fluids? I have a 91 BMW 318i, and the current concensus is that G-48 blue is the stuff to use, as its designed for the aluminum they use in the blocks and heads of the engines. Some people use G. Discover the essential role of coolant in your BMW's performance and longevity.

This article explores the types of coolant, including OEM BMW Antifreeze/Coolant and alternatives like Zerex G-48. Learn about specifications, proper mixing, and maintenance tips, including when to check and change coolant levels. Ensure your engine runs smoothly by using the right coolant for optimal protection.

Bmw Coolant Hey guys im new to e46s and i understand one of the first things to do is replace your old cooling system. But does the coolant really have to be the bmw coolant or can it be a regular one that is compatible with all year, all vehicle types? Thanks in advance! You should not use generic "anti-freeze", be it a house brand or Prestone.

Google "g48 antifreeze" G48 is the BMW standard. Zerex G-05 and others work fine. But they're almost as expensive as the BMW OEM (which is probably Zerex since it's made by Castrol and guess who is BMW's OEM supplier).

This to a T! « Previous Thread Next Thread Help please - What type of coolant? I picked up two gallons of coolant to refill the system with.

(I already had half a gallon at home) Here's where it gets weird: All three of these coolant containers are Zerex G48 50/50 coolant. G48 spec Zerex coolant from Valvoline is exactly the same coolant as manufactured for BMW. This spec is made by many companies, including BASF, etc - however, it's not available retail in North America, unless you go to a dealer.