Complete Oil Specifications
Your 2021 Mini Cooper S requires 0W-20 synthetic oil meeting BMW/Mini Longlife-17 FE+ standards.
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 0W-20 |
| Standard | BMW Longlife-17 FE+ |
| Capacity (with filter) | 5.6 quarts |
| Oil Filter | Mini 11 42 8 570 590 |
| Interval | CBS (Condition Based Service) - Max 10k miles/1 year |
Why LL-17 FE+ is Critical
The B48 engine in your Mini is a precision-engineered BMW powerplant. It requires the specialized “Longlife-17 Fuel Economy Plus” oil for:
- Proper Valvetronic system operation
- Protection of the turbocharger bearings
- Prevention of low-speed pre-ignition (LSPI)
Using incorrect oil (like generic 5W-30) can lead to check engine lights, reduced power, and long-term engine damage.
Mini-Approved Oil Brands
-
✅ Mini Original Engine Oil 0W-20 LL-17 FE+
-
✅ Castrol EDGE Euro 0W-20 LL-17 FE+
-
✅ Liqui Moly Top Tec 6600 0W-20
-
✅ Motul Specific LL-17 FE+ 0W-20
-
✅ Pennzoil Platinum Euro 0W-20
Severe Service Check
While the onboard computer (CBS) may suggest 10,000+ mile intervals, we maximize engine longevity by changing oil every 5000 miles or 6 months if you:
- Drive in “Sport” mode frequently
- Take short trips where the engine doesn’t warm up
- Drive in heavy city traffic
Installation Details
Drain Plug Torque: 25 Nm (18.5 ft-lbs)
Always replace the crush washer. If your model has a plastic drain plug, torque to 8 Nm (very light).
OEM Filter: Mini 11 42 8 570 590
Aftermarket Filters:
-
Mann-Filter HU 6014/1 z
-
Mahle OX 813/1 D
-
Hengst E818H D238
Pro Tip:
- Loosen the filter housing first to let oil drain back into the engine.
- Remove the drain plug to drain the sump.
- Torque the Filter Housing to 25 Nm (18.5 ft-lbs).
FAQs
What oil does a 2021 Mini Cooper S take?
Synthetic 0W-20 oil with the BMW Longlife-17 FE+ (LL-17 FE+) certification.
How many quarts of oil does a Mini Cooper S need?
5.6 quarts (5.3 liters).
Can I use 5W-30 in my Mini?
Only in an emergency. You should switch back to 0W-20 LL-17 FE+ as soon as possible.
How do I reset the oil service light?
- Turn on ignition (do not start engine).
- Press and hold the trip reset button on the dashboard until the service menu appears.
- Short press to scroll to “Engine Oil”.
- Long press to reset.
Need these specs on your phone? Download OilFinderPro app for offline access and oil change reminders.
Last verified: 2026-02-23 | Source: Needs OEM source confirmation (manual/spec page URL pending).