The BMW M235i features the mighty N55B30O0 engine which is a single turbocharged 3.0L inline 6 cylinder. Power output is 326hp and 322lb-ft (450Nm) of torque. BMW recommends changing the oil every 11,000 miles or once a year, whichever comes first. Ensure your engine has been warmed up prior to draining. After removal of the drain plug, let it drain for 20 - 30 minutes.

What is the oil capacity of the BMW M235i N55 engine?

6.5 liters / 6.9 quarts.

What type of oil should I use in my BMW M235i N55 engine?

BMW recommends full synthetic oils that meet BMW Longlife-01 (BMW LL-01) and BMW Longlife-01 FE (BMW LL-01 FE) standards.

BMW Longlife-01 (BMW LL-01)
Special BMW approval for fully synthetic long-life oil. Product meets ACEA A3/B3 and API: SJ/CD EC-II.

BMW Longlife-01 FE (BMW LL-01 FE)
Fully synthetic long-life oil with fuel economy properties. Oils meeting this specifications must have a low HTHS viscosity to meet the manufacturer's fuel economy requirements.

Per page 178 of the 2 series owner's manual:

SAE 0W-40

SAE 0W-30

SAE 5W-40

SAE 5W-30

The label of the oil should list the rating standards the product meets as shown in the image below:

What is the OEM BMW oil filter part number for the N55 motor?

OEM BMW Part Number: 11427953129

This OEM BMW oil filter kit costs around $15 and comes complete with (1) oil filter, (1) drail plug washer and (1) oil filter cap o-ring.

What are alternative N55 oil filter part numbers?

Mann: HU816X

Mahle: OX387DECO

Hengst: E61HD215

What is the oil filter cap torque?

25Nm or 18lb-ft

What is the oil drain plug torque?

25Nm or 18lb-ft

What is BMW oil filter cap tool part number?

OEM BMW Part Number: 83300493936
It costs around $17 new

What is the oil light reset procedure?

• ➊ Keep foot off brake pedal & press "Start / Stop" button to turn on battery
• ➋ Press and hold the "Set / Reset" button on the dash until the service indicator light appears.
• ➌ Press the "Set / Reset" button multiple times until the oil indicator is shown.
• ➍ Press and hold the "Set / Reset" button.
• ➎ When "RESET" appears, release the "Set / Reset" button.
• ➏ Press and hold the "Set / Reset" button again.
• ➐ The oil reset is now complete and your new mileage countdown will begin.

How do I check my engine oil level?

• ➊ Select "Menu" on the iDrive controller
• ➋ Select "Vehicle Info"
• ➌ Select "Vehicle Status"
• ➍ Select "Measure engine oil level"
• ➎ Select "Start measurement"

Where can I learn more information on oil weights and viscosity?

Learn more BIMMERtips information on oil by clicking HERE