Tire Size Specification
Verified OEM & Service Reference2018 BMW 330e M340i 3.0L TwinPower Turbo (B58) — Tire Size
Recommended interval: Rotate every 5,000–7,500 miles; check cold PSI monthly
Engine / Trim Variant
Factory Tire Size
225/50R17 / 225/45R18
Rear Factory Size
225/50R17 / 225/45R18 / 255/40R18
Technical Specifications
| Front Tire Size | 225/50R17 / 225/45R18 |
|---|---|
| Rear Tire Size | 225/50R17 / 225/45R18 / 255/40R18 |
| Rim / Wheel Size | 17" |
| Matched Trims | iPerformance Luxury, iPerformance M Sport, iPerformance Shadow Sport |
Compatible Aftermarket Options
Direct OEM cross-references- Buy Michelin / Continental / Pirelli 225/50R17 on AmazonMichelin / Continental / Pirelli225/50R17
Search query: 225/50R17 tire
Tire Size Fitment by Engine / Trim (2018 BMW 330e)
| Engine / Trim | Oil Spec & Capacity | OEM Oil Filter |
|---|---|---|
| 330i (2.0L Turbo I4) | 0W-20 • 5.5 qt (5.25L) | 11-42-8-575-211 |
| M340i (3.0L Turbo I6) | 0W-20 / 0W-30 • 6.9 qt (6.5L) | 11-42-8-583-898 |
| 320d (2.0L Diesel) | 5W-30 (Low-SAPS) • 5.3 qt (5.0L) | 11-42-8-583-898 |
DIY Fitment & Verification Checklist for 2018 BMW 330e
- Confirm your engine code or trim variant above before ordering parts, as mid-year production changes can affect tire size fitment.
- When purchasing OEM or aftermarket brands (Motorcraft, ACDelco, Mopar, Wix, Fram, Mobil 1, Bosch, NGK), cross-check the Amazon Garage Confirmed Fit badge with your 17-digit VIN.
- Always consult your 2018 BMW 330e owner's manual for exact torque specs and fluid service intervals.
Sources: NHTSA vPIC & OEM Service SpecificationsReport an inaccurate spec or part number
Frequently Asked Questions
What is the OEM tire size specification for a 2018 BMW 330e?
The primary OEM tire size part number / specification for the 2018 BMW 330e M340i 3.0L TwinPower Turbo (B58) is 225/50R17 / 225/45R18.
Which aftermarket tire size brands fit the 2018 BMW 330e?
Compatible aftermarket options include Michelin / Continental / Pirelli 225/50R17.