Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2018 BMW M3Coolant Type & Capacity
OEM spec from the factory service manual for the Automatic DCT Trans variant.
Quick Answer
Coolant Type
Frostox HT-12 antifreeze and corrosion inhibitor
Capacity
14.70 QTS.
13.91 L
Variant
Automatic DCT Trans
Note: Top-up quantity of coolant in the event of repair with disconnected collant hoses. Observe the mixture ration and filling level. (2.11 qts).
Source: Factory service manual — 2018 BMW M3 Automatic DCT Trans. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of coolant does a 2018 BMW M3 take?
- The 2018 BMW M3 requires Frostox HT-12 antifreeze and corrosion inhibitor. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Automatic DCT Trans configuration.
- How much coolant does a 2018 BMW M3 hold?
- The 2018 BMW M3 cooling system capacity is 14.70 QTS. (13.91 L).
- Can I use universal coolant in my 2018 BMW M3?
- It is strongly recommended to use coolant that meets the Frostox HT-12 antifreeze and corrosion inhibitor specification. Universal coolants may not provide the correct corrosion protection for your engine's materials.
- What happens if I use the wrong coolant in my 2018 BMW M3?
- Using coolant that does not meet the OEM specification can cause corrosion, gasket damage, and overheating. Always verify the correct coolant type before topping off or flushing the system.