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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.
1999 BMW M3Oil Type & Capacity
OEM spec from the factory service manual for the 2D Convertible, Automatic variant.
Quick Answer
Oil Type
SAE 5W-30 Synthetic Engine Oil may be used, but it is not required.
Capacity (w/ Filter)
5.80 QTS.
5.48 L
Variant
2D Convertible, Automatic
Note: Mineral based oil maybe used on pre-1999 models. For reliable engine performance, mineral based engine oil viscosity must be matched to the following temperature ranges, which the vehicle will be operated: -40Deg.F to about 15Deg.F (SAE 5W-20); -40 Deg.F to about 25Deg. F (SAE 5W-30); -30Deg. F to about 40Deg F (SAE 10W-30); -30Deg. F to about 60Deg. F (SAE 10W-40); 0Deg. to about 105Deg. F (SAE 15W-50); 15Deg. F to above 120Deg. F (SAE 20W-50).
Source: Factory service manual — 1999 BMW M3 2D Convertible, Automatic. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of oil does a 1999 BMW M3 take?
- The 1999 BMW M3 requires SAE 5W-30 Synthetic Engine Oil may be used, but it is not required.. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the 2D Convertible, Automatic configuration.
- How much oil does a 1999 BMW M3 need?
- The 1999 BMW M3 takes 5.80 QTS. (5.48 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 1999 BMW M3?
- Yes — synthetic oil that meets the SAE 5W-30 Synthetic Engine Oil may be used, but it is not required. specification is acceptable and often preferred for better protection and longer change intervals.
- What happens if I use the wrong oil in my 1999 BMW M3?
- Using oil that does not meet the SAE 5W-30 Synthetic Engine Oil may be used, but it is not required. specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.