2015 BMW i8 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2015 BMW i8, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x112 |
|---|---|
| Lug Nut / Bolt Size | B 14x1.25 |
| Center Bore (CB) | 66.7 mm |
| Offset (ET) | 39 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2015 i8 — Year-Specific Fitment Context
The 2015 BMW i8 is in year 2 of 6 using the 5x112 pattern (2014–2019). Wheels from any 2014–2019 BMW i8 are cross-compatible with the 2015 model.
BMW i8 Bolt Pattern by Year
The table below shows how the i8's wheel specifications have changed over the years. The 2015 model year is highlighted.
5x112 Pattern Context
This bolt pattern appears on 1490 vehicles in our current database and is considered common.
Examples of other vehicles using 5x112:
Expert Buying Guide for 2015 BMW i8
The 2015 BMW i8 uses a 5x112 bolt pattern with a 66.7mm center bore. Aftermarket wheels must use hub-centric rings to prevent vibration and ensure proper load distribution. The offset is sensitive; stock is 39mm, and deviations beyond ±5mm may cause rubbing or clearance issues. Always verify lug nut thread pitch: B 14x1.25. Use only ball-seat lug nuts (common on BMW) to avoid wheel damage. Re-torque after 50 miles of driving. Wheels from 2014–2019 i8 models are directly compatible.
Historical Fitment Data Reference
In our dataset, BMW i8 appears from 2014 to 2019 (5 model years). Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 79.0 mm
Quick Tips & Safety Warnings
- ✅ Always use hub-centric rings for aftermarket wheels to match the 66.7mm bore; failure can cause vibration and unsafe driving.
- ✅ Stick to offsets between 34mm and 44mm to avoid rubbing on the fender or suspension components.
- ✅ Re-torque lug nuts to 103 ft-lb after 50 miles; use a torque wrench and never impact wrenches to prevent over-tightening.
- ⚠️ Confirm bolt pattern carefully. 5x112 is often confused with other common 5-lug patterns.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
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2015 BMW i8 — Frequently Asked Questions
What is the bolt pattern for a 2015 BMW i8?
The 2015 BMW i8 uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 66.7mm and the offset is 39mm.
What other years of BMW i8 have the same bolt pattern as the 2015?
The BMW i8 uses the 5x112 pattern from 2014 through 2019. Wheels from any of these model years are dimensionally compatible with the 2015, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 2015 BMW i8?
Refer to your owner's manual for exact specs, but always tighten the B 14x1.25 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Do 2015 BMW i8s use lug bolts or lug nuts?
The 2015 i8 requires B 14x1.25 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the PCD for a 2015 BMW i8?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2015 i8, the PCD is 5x112.
How do I measure the bolt pattern on my 2015 BMW?
The 2015 i8 uses a 5x112 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
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