1999 BMW 323is Oil Type & Capacity
The 1999 BMW 323is takes 5W-40 motor oil — 6.9 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-40 — 6.9 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Automatic | SAE 5W-40 or SAE 5W-30 Synthetic Oil | 6.90 QTS. | — | — |
| Standard | SAE 5W-40 or SAE 5W-30 Synthetic Oil | 6.90 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your 323is
1999 BMW 323is factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
8.9 quarts (8.42 L) — 50/50 mixture ratio for year-round protection agaist internal corrosion and water
Frequently asked questions
What type of oil does a 1999 BMW 323is take?
The 1999 BMW 323is takes 5W-40 motor oil (SAE 5W-40 or SAE 5W-30 Synthetic Oil), per the factory service manual.
How much oil does a 1999 BMW 323is take?
The 1999 BMW 323is holds 6.9 quarts with a filter change.
Can I use synthetic oil in my 1999 BMW 323is?
Yes. 5W-40 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1999 BMW 323is. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.