The 2015 BMW 328i uses synthetic engine oil that meets BMW Longlife-01 (LL-01) specification, typically 5W-30; in very cold climates, 0W-30 may be acceptable if the oil is LL-01 approved. Always verify with the owner's manual or a dealer for your exact market.
Oil specifications for the N20 engine
The 328i from that year uses the turbocharged N20 2.0-liter four. BMW recommends synthetic oil that meets the LL-01 specification to support turbocharging and longer service intervals. The typical recommended viscosity is 5W-30, with 0W-30 listed as an alternative in some climates.
What follows outlines the oil types and how to select them.
Here is what to look for when choosing oil for this vehicle.
- Viscosity: 5W-30 synthetic oil that meets BMW Longlife-01 (LL-01) specification.
- Alternative: 0W-30 synthetic oil if specified by your manual or for very cold climates, still LL-01 approved.
- Only use oil that is synthetic and clearly labelled as LL-01 compatible; avoid mineral or non-LL-01 oils.
- Look for the BMW LL-01 certification on the bottle or in the product data sheet to ensure compatibility.
Using LL-01 approved oils helps maintain proper protection and service intervals for the N20 engine.
Practical guidance for maintenance
Climate and driving considerations
In colder regions, 0W-30 LL-01 oil can improve cold-start flow; in milder or hotter climates, 5W-30 LL-01 is the common choice. Always follow the manual for your market.
Service intervals and reminders
BMW's Longlife-01 service interval typically targets up to about 15,000 miles (roughly 24,000 kilometers) or 12 months, whichever comes first, under normal driving conditions. Severe operation (short trips, heavy city driving, extreme temperatures) may require more frequent changes.
Summary
For the 2015 BMW 328i, use synthetic motor oil that meets BMW Longlife-01, most commonly 5W-30. In very cold climates, 0W-30 LL-01 is an option. Verify exact viscosity and certification in your owner's manual or with a dealer, and choose LL-01 approved oil from a reputable brand to protect the turbocharged N20 engine and maintain the vehicle’s service schedule.
What oil does a 2015 BMW 3 series take?
BMW 3 Series oil type: Takes motor oil options that have a rating of BMW Longlife-01 FE or BMW Longlife-14 FE+ as well as have a thickness of SAE 0W-20 or SAE 0W-30.
What oil is best for a 2015 BMW 328i?
To maintain the BMW 328i's legendary performance and stability, the service team strongly recommends using Synthetic Oil with a 5W-30 grade. Using this correct type and grade is essential for routine maintenance, as it helps prevent premature wear and protects the engine from overheating and damage.
Is 5W30 good for BMW 328i?
Using the BMW 328i oil type recommended by the manufacturer is an easy way to optimize your time on the road. The proper oil for the BMW 328i is synthetic oil with a grade of 5W-30 for most models.
Which engine oil is good for a BMW 328i?
5W-30
So, what type of oil is recommended for the BMW 328i? The Pacific BMW service team in Glendale recommends that you use synthetic oil with a grade of 5W-30. We've got more information on why this is important in the guide below.


