2017 BMW 640iCoolant 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

10.78 QTS.

10.2 L

Variant

2D Convertible

Source: Factory service manual β€” 2017 BMW 640i 2D Convertible. View full manual section β†’

Frequently Asked Questions

What type of coolant does a 2017 BMW 640i take?
The 2017 BMW 640i requires Frostox HT-12 antifreeze and corrosion inhibitor. The exact spec may vary slightly by engine variant β€” this page shows the OEM recommendation for the 2D Convertible configuration.
How much coolant does a 2017 BMW 640i hold?
The 2017 BMW 640i cooling system capacity is 10.78 QTS. (10.2 L).
Can I use universal coolant in my 2017 BMW 640i?
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 2017 BMW 640i?
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.