1998 BMW M Roadster Oil Type & Capacity
The 1998 BMW M Roadster takes 5W-30 motor oil — 6.3 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 6.3 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| M Roadster — 3.2L Eng | SAE 5W-30 Synthetic Engine Oil may be used, but it is not required. | 6.30 QTS. | — | Mineral based oil maybe used on pre-1999 models. For reliable engine performance, mineral based engine oil viscosity must be matched to the following temperature ranges, which the vehicle will be operated: -40Deg.F to about 15Deg.F (SAE 5W-20); -40 Deg.F to about 25Deg. F (SAE 5W-30); -30Deg. F to about 40Deg F (SAE 10W-30); -30Deg. F to about 60Deg. F (SAE 10W-40); 0Deg. to about 105Deg. F (SAE 15W-50); 15Deg. F to above 120Deg. F (SAE 20W-50). |
Buy the right oil
Buy 5W-30 motor oil on Amazon1998 BMW M Roadster oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your M Roadster
1998 BMW M Roadster factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
11.4 quarts (10.78 L) — Ethylene Glycol Antifreeze. Use only reputable brand Ethylene Glycol Antifreeze w/corrosion inhibitors that are nitrite and amino-free and compatible w/aluminum radiators.
Frequently asked questions
What type of oil does a 1998 BMW M Roadster take?
The 1998 BMW M Roadster takes 5W-30 motor oil (SAE 5W-30 Synthetic Engine Oil may be used, but it is not required.), per the factory service manual.
How much oil does a 1998 BMW M Roadster take?
The 1998 BMW M Roadster holds 6.3 quarts with a filter change.
Can I use synthetic oil in my 1998 BMW M Roadster?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1998 BMW M Roadster. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.