2018 BMW 640i xDrive Oil Type & Capacity
The 2018 BMW 640i xDrive 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 xDrive | BMW High Performance Synthetic Engine Oil, SAE 0W-30 | 6.90 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your 640i xDrive
2018 BMW 640i xDrive factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site 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 xDrive take?
The 2018 BMW 640i xDrive takes 0W-30 motor oil (BMW High Performance Synthetic Engine Oil, SAE 0W-30), per the factory service manual.
How much oil does a 2018 BMW 640i xDrive take?
The 2018 BMW 640i xDrive holds 6.9 quarts with a filter change.
Can I use synthetic oil in my 2018 BMW 640i xDrive?
Yes. 0W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2018 BMW 640i xDrive. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.