Which coolant should I add?

[mkv_ppf]

My coolant is at a minimum and I don’t know what coolant should I use, some say g11 and some say ht-12

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[zrk]

ht-12 is fine. distilled water works.

 

[mkv_ppf]

ht-12 is fine. distilled water works.

is the brand matter? (Bmw or third party)

 

[Down8319]

Check your owner's manual. Page 338 states that the coolant type is Antifreeze and Corrosion Inhibitor Frostox HT-12.

Brand is your personal preference. Spend more for genuine BMW and have peace of mind. Or spend less for third party and you'll probably still be fine.

 

[FuzzyRev]

I vote for a top-off with either plain distilled water, or an additive like Redline Water Wetter or Hy-Per Lube Super Coolant.

 

[zaf]

Hi guys,
I have a low coolant, went to my Toyota dealer and they said they only use 1 type for all Toyota which is this one.
The manual says the HT-12 which is the green BMW coolant. Is there a difference between the red coolant that Toyota dealers are suggesting and the green coolant the manual suggests? Thanks

 

[zaf]

I went to BMW and the only coolant they use for all their BMWs are LC-87 which is not HT-12.
What do you guys recommend?

 

[MoTeC_R]

The only coolant I personally use is:

 

[RenRed2]

Check your owner's manual. Page 338 states that the coolant type is Antifreeze and Corrosion Inhibitor Frostox HT-12.

Brand is your personal preference. Spend more for genuine BMW and have peace of mind. Or spend less for third party and you'll probably still be fine.

Im shocked at what one can learn from a book written for the car lol. It even comes with the car.

 

[B58_ hwAyaq]

Im shocked at what one can learn from a book written for the car lol. It even comes with the car.

The same book that recommends 0w-20?

I’m usually in agreement with your comment in regards to features/functions, but I value discussion around fluids/consumables as use cases vary.

 

[FLtrackdays]

The same book that recommends 0w-20?

I’m usually in agreement with your comment in regards to features/functions, but I value discussion around fluids/consumables as use cases vary.

That’s hilarious

 

[FLtrackdays]

If it’s not too expensive I’ll buy some HT-12 on amazon thx to this post. Last thing I want is another excuse for my local Toyota dealer to claim my car has been tainted by the aftermarket demons.
And if I get in a pinch, I’ll definitely add water like @zrk said

 

[PikkaGTR]

Use BMW coolant
Add some redline water wetter to the expansion tank of both the radiator and heat exchanger for the intercooler
Will help a bit in the summer time

 

[Mark5]

Guys this is the only coolant the Toyota dealer had... Is this good?

 

[FLtrackdays]

Guys this is the only coolant the Toyota dealer had... Is this good?

I would do it in a heartbeat but I’m “that guy”…. I know it’s a BMW B58 engine, you bought it at a BMW dealer, told them you own a Z4/Supra. But yes you could open up your manual and look for the exact specs and double check your dealer.

The biggest thing I look for is “do I have to add water“ to make it 50/50. Some come already premixed and others don’t. That would be my biggest concern. So peel that sticker off for steps 1-3. Step 4 does say it’s a 50/50 mixture. But I’d still look at steps 1-3

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