G48 coolant substitute, older Tesla

[E_S]

Teslas up to 2024, and all European Teslas use G48 coolant. Due to certain chemicals, G48 is being phased out in Europe.

US made Teslas from 2024 use a orange "HTF-LS" coolant instead of the G48, while Euro cars still have G48. Seems to be a floating changeover where the system was the exact same, just the fluid type changed.

As G48 is not very available anymore, and according to the manufacturer only has a lifespan of 3 years, a substitute is needed at some point. So far Tesla hasn't updated their official information, only stating you should replace G48 with G48 and HTF-LS with HTF-LS.

What would be the best options after flushing out all the G48?

1. G40?
2. G64/65?
3. The orange HTF-LS? (which seems impossible to find unless you buy a drum)
4. VW G11, which seems pretty similar to G48 and is still available?
5. Something else I haven't thought of?

I am in Europe, so specific US-only products won't help me far - standards and specifications are easier to work with..

 

[FowVay]

Here's BASF's Glysantin replacement list for G48. This is for all of Europe:

 

[Hirev]

Have you looked on amazon? Zerex makes a G48 it states 5 year/150,000 mile.

 

[americaninparis]

I too am having this issue. What is the recommendation for replacement to g48 coolant for early Tesla?

 

[E_S]

I found some G48 concentrated in 5 liter cans at one of the online spare parts stores that I will use for now. I know other coolants would be technically better, but as long as I have drivetrain warranty (expires june 2027), I will stick to the G48 so they can't deny a warranty claim because something that was not listed was used. A tip will also be to find a BMW dealer that might have G48 on drums that is willing to sell you some. I would have no problems converting to for example G65 with next change after drivetrain warranty is out.

 

[americaninparis]

I found some G48 concentrated in 5 liter cans at one of the online spare parts stores that I will use for now. I know other coolants would be technically better, but as long as I have drivetrain warranty (expires june 2027), I will stick to the G48 so they can't deny a warranty claim because something that was not listed was used. A tip will also be to find a BMW dealer that might have G48 on drums that is willing to sell you some. I would have no problems converting to for example G65 with next change after drivetrain warranty is out.

Yea I found that someone, today, listed some g48 coolant for sale on French craigslist (leboncoin). Ordered that immediately so I have some for now.

 

[JD!]

BMW phased out blue G48 in favor of the new green HT-12 and insists that it's backwards compatible with the older G48 spec cars. I would feel comfortable using HT-12 in the Tesla if that's what you can get.