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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 i3Coolant Type & Capacity
OEM spec from the factory service manual for the Base variant.
Quick Answer
Coolant Type
Frostox HT-12 antifreeze and corrosion inhibitor
Capacity
4.54 QTS.
4.29 L
Variant
Base
Source: Factory service manual — 2018 BMW i3 Base. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of coolant does a 2018 BMW i3 take?
- The 2018 BMW i3 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 Base configuration.
- How much coolant does a 2018 BMW i3 hold?
- The 2018 BMW i3 cooling system capacity is 4.54 QTS. (4.29 L).
- Can I use universal coolant in my 2018 BMW i3?
- 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 i3?
- 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.