2018 BMW 640i Gran Coupe Oil Type & Capacity: 0W-30 (6.9 quarts)
The 2018 BMW 640i Gran Coupe takes 0W-30 motor oil — 6.9 quarts with a filter change, per the factory service manual.
Factory-spec answer
0W-30 — 6.9 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 640i Gran Coupe | BMW High Performance Synthetic Engine Oil, SAE 0W-30 | 6.90 QTS. | — | — |
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🛒 Buy 0W-30 Full Synthetic Oil (6.9 quarts needed) on Amazon💡 Capacity Note: Your 2018 BMW 640i Gran Coupe holds 6.9 quarts with filter. Since standard jugs are 5 quarts, be sure to pick up extra 1-quart bottles or a 2-pack to reach the full mark on the dipstick.
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More factory specs & repair guides for your 640i Gran Coupe
🛞 2018 BMW 640i Gran Coupe Tire Size & Pressure →🌧️ 2018 BMW 640i Gran Coupe Wiper Blade Sizes →💡 2018 BMW 640i Gran Coupe Light Bulb Sizes →📖 2018 BMW 640i Gran Coupe Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
10.78 quarts (10.2 L) — Frostox HT-12 antifreeze and corrosion inhibitor
Frequently asked questions
What type of oil does a 2018 BMW 640i Gran Coupe take?
The 2018 BMW 640i Gran Coupe takes 0W-30 motor oil (BMW High Performance Synthetic Engine Oil, SAE 0W-30), per the factory service manual.
What is the oil capacity of a 2018 BMW 640i Gran Coupe?
The 2018 BMW 640i Gran Coupe oil capacity is 6.9 quarts with a filter change.
How often should I change the oil in my 2018 BMW 640i Gran Coupe?
Most 2018 BMW 640i Gran Coupe owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — BMW recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2018 BMW 640i Gran Coupe?
Yes. 0W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2018 BMW 640i Gran Coupe. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.