2018 BMW i3 wiper blade size
The 2018 BMW i3 uses a 28" driver-side wiper blade, a 21" passenger-side blade, and a 12" rear wiper blade.
Front sizes confirmed unchanged across 6 model years (2014–2019).
Search paths only — confirm blade length and adapter compatibility in the retailer's vehicle selector before checkout.
2018 BMW i3 wiper blade size chart
| Item | Size | Notes |
|---|---|---|
| Driver | 28" | Driver-side wiper blade |
| Passenger | 21" | Passenger-side wiper blade |
| Rear | 12" | Rear wiper blade |
| Connector | Side Pin (22mm) Side Pin (22mm) Simplified sketch for identification only. Adapter shapes vary by brand. Open connector guide | Checked connector / arm type |
BMW i3 wiper blade sizes by year
This table includes verified BMW i3 model years available in our database.
| Year | Driver | Passenger | Rear | Connector |
|---|---|---|---|---|
| 2019 | 28" | 21" | Unverified | Side Pin (22mm) |
| 2018 Current page | 28" | 21" | 12" | Side Pin (22mm) |
| 2017 | 28" | 21" | Unverified | Side Pin (22mm) |
| 2016 | 28" | 21" | Unverified | Side Pin (22mm) |
| 2015 | 28" | 21" | Unverified | Side Pin (22mm) |
| 2014 | 28" | 21" | Unverified | Side Pin (22mm) |
The 2018 row sits between 2019 and 2017 in this i3 year table. No other listed i3 year in this table currently shares this exact driver / passenger / rear pattern. Compare it with the latest listed year before ordering.
Fitment notes
When buying replacement blades, match this connector type. Most universal blades include adapters, but confirming your arm style at checkout prevents a return trip.
Retailer fitment tools may use different fitment data. Confirm blade length before ordering.
Vehicle-specific evidence notes
The 2018 BMW i3 uses a staggered front pair: 28" on the driver side and 21" on the passenger side. Do not order two same-length front blades from this page.
The rear field for the 2018 BMW i3 is 12". Rear size is supported by Rain-X.
Source table: 6 checked source rows. Driver: 4 source labels; passenger: 4 source labels.
Connector type for the 2018 BMW i3 is listed as Side Pin (22mm) and supported by Rain-X, ANCO, and Trico. Confirm the selected package includes that adapter.
Before ordering for this 2018 BMW i3
- Front pair: Select a 28" driver-side blade and a 21" passenger-side blade.
- Rear blade: Select a 12" rear blade.
- Connector: Side Pin (22mm). Confirm the selected package includes the matching adapter.
- Source check: Last verified 2026-06-19 from WiperSizeChart.
About this data
How we verify fitmentChecked fitment data. Last verified: 2026-06-19.
This page-specific source pack checked WiperSizeChart for the 2018 BMW i3. The table lists which checked source contributed driver, passenger, rear, or connector evidence.
- Blade sizes
- Verified
- Rear status
- 12" verified
- Connector
- Verified
- Sources
- WiperSizeChart
- Cross-checked
- WiperSize.com, Walmart, Rain-X, ANCO, Trico
- Driver blade: Supported by WiperSizeChart, Rain-X, ANCO, Trico
- Passenger blade: Supported by WiperSizeChart, Rain-X, ANCO, Trico
- Rear blade: Supported by Rain-X
- Connector / arm: Supported by Rain-X, ANCO, Trico
| Source | Role | Supports | Checked | Link |
|---|---|---|---|---|
| WiperSize.com | Cross-check source | Checked only | 2026-06-18 | Checked source |
| WiperSizeChart | Primary fitment reference | Driver, Passenger | 2026-06-19 | Checked source |
| Walmart | Retailer fitment check | Checked only | 2026-06-18 | Checked source |
| Rain-X | Cross-check source | Driver, Passenger, Rear, Connector | 2026-06-19 | Visit source |
| ANCO | Cross-check source | Driver, Passenger, Connector | 2026-06-19 | Visit source |
| Trico | Cross-check source | Driver, Passenger, Connector | 2026-06-19 | Visit source |
2018 BMW i3 wiper blade FAQ
Yes. The checked front pair for the 2018 BMW i3 is 28" on the driver side and 21" on the passenger side. Match the two positions separately in the cart.
The rear wiper blade listed for this 2018 i3 is 12". Confirm the retailer listing keeps the rear position separate from the front pair.
Retailer catalogs can update separately. Confirm the exact 2018 BMW i3 selector at checkout before you buy.
2018 BMW i3 maintenance checklist
One part checked. Look up the rest while you're here.
- Wiper blade size 28" driver · 21" passenger Checked
- Oil type & capacity 2018 BMW i3 oil viscosity & fill amount
Replacement paths
These are retailer search paths for your vehicle's wiper blade sizes. Verify final fitment at checkout.
This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.
Walmart
Compare available wiper blade listings for the 2018 BMW i3 and confirm the selected set matches the listed sizes.
Search 2018 BMW i3 blades →AutoZone
Use AutoZone's vehicle selector for the 2018 BMW i3 before checkout to confirm driver, passenger, and rear fitment.
Search 2018 BMW i3 blades →Amazon
Search Amazon listings for the 2018 BMW i3 and check the listing fitment notes against the sizes above.
Search 2018 BMW i3 blades →O'Reilly
Open O'Reilly's fitment search for the 2018 BMW i3 and verify the connector and blade lengths before ordering.
Search 2018 BMW i3 blades →Look up another vehicle
Find checked wiper blade sizes by exact year, make, and model.