2018 BMW X3 Oil Type & Capacity
The 2018 BMW X3 oil type depends on the engine: the M40i takes 0W-20 (6.87 quarts with filter); the xDrive30i takes 0W-20 (5.55 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- M40i: 0W-20, 6.87 quarts with filter
- xDrive30i: 0W-20, 5.55 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| M40i — 3.0L Eng | BMW High Performance Synthetic Engine Oil, SAE 0W-20 | 6.87 QTS. | — | — |
| xDrive30i — 2.0L Eng | BMW High Performance Synthetic Engine Oil, SAE 0W-20 | 5.55 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your X3
2018 BMW X3 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
11.85 quarts (11.21 L) — G48 Blue Coolant for vehicle production before 7-1-2018. Frostox HT-12 antifreeze and corrosion inhibitor for vehicle production after 7-1-2018
Frequently asked questions
What type of oil does a 2018 BMW X3 take?
It depends on the engine: M40i uses 0W-20; xDrive30i uses 0W-20.
How much oil does a 2018 BMW X3 take?
Capacity depends on the engine: M40i holds 6.87 quarts with filter; xDrive30i holds 5.55 quarts with filter.
Can I use synthetic oil in my 2018 BMW X3?
Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2018 BMW X3. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.