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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.
2009 BMW M3Coolant Type & Capacity
OEM spec from the factory service manual for the 2D Convertible, Automatic DCT variant.
Quick Answer
Coolant Type
Ethylene Glycol long-term Antifreeze
Capacity
12.15 QTS.
11.49 L
Variant
2D Convertible, Automatic DCT
Note: Having corrosion inhibitors that are compatible with aluminum radiators.
Source: Factory service manual — 2009 BMW M3 2D Convertible, Automatic DCT. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of coolant does a 2009 BMW M3 take?
- The 2009 BMW M3 requires Ethylene Glycol long-term Antifreeze. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the 2D Convertible, Automatic DCT configuration.
- How much coolant does a 2009 BMW M3 hold?
- The 2009 BMW M3 cooling system capacity is 12.15 QTS. (11.49 L).
- Can I use universal coolant in my 2009 BMW M3?
- It is strongly recommended to use coolant that meets the Ethylene Glycol long-term Antifreeze 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 2009 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.