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.
2009 BMW M3Oil Type & Capacity
OEM spec from the factory service manual for the 2D Convertible, Automatic DCT variant.
Quick Answer
Oil Type
CASTROL TWS Motorsport SAE 10W-60 Synthetic, or CASTROL Formula RS 10W-60 Synthetic Oil
Capacity (w/ Filter)
9.30 QTS.
8.8 L
Variant
2D Convertible, Automatic DCT
Note: If unable to obtain the recommended oil, use BMW High Performance Synthetic Oil or MOBIL 1, use a synthetic oil with API rating of SH or higher.
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 oil does a 2009 BMW M3 take?
- The 2009 BMW M3 requires CASTROL TWS Motorsport SAE 10W-60 Synthetic, or CASTROL Formula RS 10W-60 Synthetic Oil. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the 2D Convertible, Automatic DCT configuration.
- How much oil does a 2009 BMW M3 need?
- The 2009 BMW M3 takes 9.30 QTS. (8.8 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 2009 BMW M3?
- Yes — synthetic oil that meets the CASTROL TWS Motorsport SAE 10W-60 Synthetic, or CASTROL Formula RS 10W-60 Synthetic Oil specification is acceptable and often preferred for better protection and longer change intervals.
- What happens if I use the wrong oil in my 2009 BMW M3?
- Using oil that does not meet the CASTROL TWS Motorsport SAE 10W-60 Synthetic, or CASTROL Formula RS 10W-60 Synthetic Oil specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.