2018 BMW i3s wiper blade size
The 2018 BMW i3s uses a 28" driver-side wiper blade, a 21" passenger-side blade, and a 12" rear wiper blade.
Search paths only — confirm blade length and adapter compatibility in the retailer's vehicle selector before checkout.
2018 BMW i3s 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 i3s wiper blade sizes by year
This table includes verified BMW i3s 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) |
The next newer listed i3s year is 2019. No other listed i3s 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 i3s 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 i3s 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 i3s 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 i3s
- 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 i3s. 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 i3s wiper blade FAQ
Yes. The checked front pair for the 2018 BMW i3s 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 i3s 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 i3s selector at checkout before you buy.
2018 BMW i3s 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 i3s 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 i3s and confirm the selected set matches the listed sizes.
Search 2018 BMW i3s blades →AutoZone
Use AutoZone's vehicle selector for the 2018 BMW i3s before checkout to confirm driver, passenger, and rear fitment.
Search 2018 BMW i3s blades →Amazon
Search Amazon listings for the 2018 BMW i3s and check the listing fitment notes against the sizes above.
Search 2018 BMW i3s blades →O'Reilly
Open O'Reilly's fitment search for the 2018 BMW i3s and verify the connector and blade lengths before ordering.
Search 2018 BMW i3s blades →Look up another vehicle
Find checked wiper blade sizes by exact year, make, and model.