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2021 BMW 430iCoolant Type & Capacity
OEM spec from the factory service manual for the 2D Convertible variant.
Quick Answer
Coolant Type
Frostox HT-12 antifreeze and corrosion inhibitor
Capacity
10.36 QTS.
9.8 L
Variant
2D Convertible
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 — 2021 BMW 430i 2D Convertible. View full manual section →
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Frequently Asked Questions
- What type of coolant does a 2021 BMW 430i take?
- The 2021 BMW 430i 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 2D Convertible configuration.
- How much coolant does a 2021 BMW 430i hold?
- The 2021 BMW 430i cooling system capacity is 10.36 QTS. (9.8 L).
- Can I use universal coolant in my 2021 BMW 430i?
- 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 2021 BMW 430i?
- 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.