BMW I8 (I12) Wheel Lug Pattern, Offset ET & Center Bore Reference
The BMW I8 (I12) features a specific wheel lug pattern that is essential for correct wheel fitment. This model uses a 5 × 120 mm lug pattern, which is common in many BMW vehicles but requires precise consideration of offset and center bore to ensure compatibility.\n\nOffset ET values for the BMW I8 typically range between ET35 to ET43, depending on the factory rim design and variant. Center bore diameter is 72.6 mm, matching the vehicle’s hub to guarantee proper wheel centering and avoid vibrations.\n\nRim sizes for the BMW I8 commonly vary from 20 to 21 inches, contributing to its sporty appearance and performance characteristics. When selecting aftermarket wheels, confirming these specifications within year-specific references ensures optimal safety and aesthetics.\n\nOur year-sorted BMW I8 (I12) wheel lug pattern catalog provides detailed rim size options, offset ET, and center bore data for easy reference and accurate wheel fitment decisions.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| BMW I8 (I12) Hybrid | 2019 | 195/50R20 | 7 | 20 | 5×120 | 36 | 72.6 | M12*1,5 |
| BMW I8 (I12) Hybrid | 2018 | 195/50R20 | 7 | 20 | 5×120 | 36 | 72.6 | M12*1,5 |
| BMW I8 (I12) Hybrid | 2017 | 195/50R20 | 7 | 20 | 5×120 | 36 | 72.6 | M12*1,5 |
| BMW I8 (I12) Hybrid | 2016 | 195/50R20 | 7 | 20 | 5×120 | 36 | 72.6 | M12*1,5 |
| BMW I8 (I12) Hybrid | 2015 | 195/50R20 | 7 | 20 | 5×120 | 36 | 72.6 | M12*1,5 |
| BMW I8 (I12) Hybrid | 2014 | 195/50R20 | 7 | 20 | 5×120 | 36 | 72.6 | M12*1,5 |
FAQ
- What is the BMW I8 (I12) wheel lug pattern specification?
- The BMW I8 (I12) uses a 5 × 120 mm wheel lug pattern.
- What offset ET values are typical for BMW I8 wheels?
- BMW I8 wheels typically have offset ET values ranging from ET35 to ET43.
- What is the center bore size for BMW I8 wheels?
- The center bore diameter for BMW I8 wheels is 72.6 mm.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |






Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |
