2018 BMW i3 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2018 BMW i3, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x112 |
|---|---|
| Lug Nut / Bolt Size | N 14x1.25 |
| Center Bore (CB) | 66.7 mm |
| Offset (ET) | 43 (The car has thin wheels!) |
| Torque Specs | 100 ft-lbs (135 Nm) |
2018 i3 — Year-Specific Fitment Context
The 2018 BMW i3 is in year 5 of 8 using the 5x112 pattern (2014–2021). Wheels from any 2014–2021 BMW i3 are cross-compatible with the 2018 model.
BMW i3 Bolt Pattern by Year
The table below shows how the i3's wheel specifications have changed over the years. The 2018 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 2014 | 5x112 | 66.7 | 43 (The car has thin wheels!) |
| 2015 | 5x112 | 66.7 | 43 (The car has thin wheels!) |
| 2016 | 5x112 | 66.7 | 43 (The car has thin wheels!) |
| 2017 | 5x112 | 66.7 | 43 (The car has thin wheels!) |
| ▸ 2018 | 5x112 | 66.7 | 43 (The car has thin wheels!) |
| 2019 | 5x112 | 66.6 | 25-40 |
| 2021 | 5x112 | 66.6 | 25-40 |
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 2018 BMW i3
For your 2018 BMW i3, the bolt pattern is 5x112 with a critical center bore of 66.7mm. Aftermarket wheels must match this bore exactly or use hub-centric rings to prevent vibration and ensure proper load distribution. The offset is 43mm; deviations beyond ±5mm may cause rubbing or clearance issues due to the car's thin wheel design. Always use lug nuts with the correct thread pitch (14x1.25) and seat type (ball seat for OEM, cone seat for many aftermarket wheels). Mismatched lug nuts can lead to wheel detachment. Verify all specifications before installation.
Historical Fitment Data Reference
In our dataset, BMW i3 appears from 2014 to 2021 (7 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: 83.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50 miles of driving to ensure proper seating.
- ✅ Avoid using wheels from non-i3 BMW models; they may have different offsets or center bores.
- ✅ Check for brake caliper clearance when using aftermarket wheels, as the i3 has tight tolerances.
- ⚠️ 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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2018 BMW i3 — Frequently Asked Questions
What is the bolt pattern for a 2018 BMW i3?
The 2018 BMW i3 uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 66.7mm and the offset is 43 (The car has thin wheels!)mm.
What other years of BMW i3 have the same bolt pattern as the 2018?
The BMW i3 uses the 5x112 pattern from 2014 through 2021. Wheels from any of these model years are dimensionally compatible with the 2018, provided the offset and center bore also match.
Why is matching the 66.7mm center bore important for the 2018 i3?
The 66.7mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
What does 43 (The car has thin wheels!)mm offset mean for the 2018 i3?
An offset of 43 (The car has thin wheels!)mm means the wheel's mounting surface is 43 (The car has thin wheels!)mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your BMW.
Will wheels from another BMW fit my 2018 i3?
Only if they share the exact same 5x112 bolt pattern, a compatible offset, and a center bore equal to or larger than 66.7mm.
How do I measure the bolt pattern on my 2018 BMW?
The 2018 i3 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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