2008 BMW 323i Oil Type & Capacity: 5W-30 (6.9 quarts)
The 2008 BMW 323i takes 5W-30 motor oil — 6.9 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 6.9 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Automatic | BMW High Performance Synthetic Oil, SAE 5W-30 or MOBIL 1 SAE 10W-40 Synthetic Oil | 6.90 QTS. | — | — |
| Standard | BMW High Performance Synthetic Oil, SAE 5W-30 or MOBIL 1 SAE 10W-40 Synthetic Oil | 6.90 QTS. | — | — |
More factory specs & repair guides for your 323i
🛞 2008 BMW 323i Tire Size & Pressure →🌧️ 2008 BMW 323i Wiper Blade Sizes →💡 2008 BMW 323i Light Bulb Sizes →📖 2008 BMW 323i Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
9.0 quarts (8.51 L) — Ethylene Glycol long-term Antifreeze
Frequently asked questions
What type of oil does a 2008 BMW 323i take?
The 2008 BMW 323i takes 5W-30 motor oil (BMW High Performance Synthetic Oil, SAE 5W-30 or MOBIL 1 SAE 10W-40 Synthetic Oil), per the factory service manual.
What is the oil capacity of a 2008 BMW 323i?
The 2008 BMW 323i oil capacity is 6.9 quarts with a filter change.
How often should I change the oil in my 2008 BMW 323i?
Most 2008 BMW 323i 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 2008 BMW 323i?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2008 BMW 323i. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.