2009 BMW 135i Oil Type & Capacity: 5W-30 (6.9 quarts)
The 2009 BMW 135i 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 |
|---|---|---|---|---|
| 2D Convertible, Automatic | BMW High Performance SAE 5W-30 Synthetic Oil or MOBIL 1 SAE 10W-40 Synthetic Oil | 6.90 QTS. | — | — |
| 2D Convertible, Standard | BMW High Performance SAE 5W-30 Synthetic Oil or MOBIL 1 SAE 10W-40 Synthetic Oil | 6.90 QTS. | — | — |
| 2D Coupe, Automatic | BMW High Performance SAE 5W-30 Synthetic Oil or MOBIL 1 SAE 10W-40 Synthetic Oil | 6.90 QTS. | — | — |
| 2D Coupe, Standard | BMW High Performance SAE 5W-30 Synthetic Oil or MOBIL 1 SAE 10W-40 Synthetic Oil | 6.90 QTS. | — | — |
More factory specs & repair guides for your 135i
🛞 2009 BMW 135i Tire Size & Pressure →🌧️ 2009 BMW 135i Wiper Blade Sizes →💡 2009 BMW 135i Light Bulb Sizes →📖 2009 BMW 135i Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
8.88 quarts (8.4 L) — Ethylene Glycol long-term Antifreeze. Having corrosion inhibitors that are compatible with aluminum radiators.
Frequently asked questions
What type of oil does a 2009 BMW 135i take?
The 2009 BMW 135i takes 5W-30 motor oil (BMW High Performance SAE 5W-30 Synthetic Oil or MOBIL 1 SAE 10W-40 Synthetic Oil), per the factory service manual.
What is the oil capacity of a 2009 BMW 135i?
The 2009 BMW 135i oil capacity is 6.9 quarts with a filter change.
How often should I change the oil in my 2009 BMW 135i?
Most 2009 BMW 135i 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 2009 BMW 135i?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2009 BMW 135i. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.