2021 BMW X4 wiper blade size
The 2021 BMW X4 uses a 26" driver-side wiper blade and a 20" passenger-side blade. Rear not verified.
Front sizes confirmed unchanged across 11 model years (2015–2025).
Search paths only — confirm blade length and adapter compatibility in the retailer's vehicle selector before checkout.
2021 BMW X4 wiper blade size chart
| Item | Size | Notes |
|---|---|---|
| Driver | 26" | Driver-side wiper blade |
| Passenger | 20" | Passenger-side wiper blade |
| Rear | Unverified | Unverified |
| Connector | D-PTB D-PTB Simplified sketch for identification only. Adapter shapes vary by brand. Open connector guide | Checked connector / arm type |
BMW X4 wiper blade sizes by year
This table includes verified BMW X4 model years available in our database.
| Year | Driver | Passenger | Rear | Connector |
|---|---|---|---|---|
| 2025 | 26" | 20" | Unverified | — |
| 2023 | 26" | 20" | Unverified | D-PTB |
| 2022 | 26" | 20" | Unverified | D-PTB |
| 2021 Current page | 26" | 20" | Unverified | D-PTB |
| 2020 | 26" | 20" | Unverified | D-PTB |
| 2019 | 26" | 20" | Unverified | D-PTB |
| 2018 | 26" | 20" | 26" Confirm at checkout | Side Pin (22mm) |
| 2017 | 26" | 20" | Unverified | Side Pin (22mm) |
| 2016 | 26" | 20" | Unverified | Side Pin (22mm) |
| 2015 | 26" | 20" | Unverified | Side Pin (22mm) |
The 2021 row sits between 2022 and 2020 in this X4 year table. The same driver / passenger / rear pattern also appears on 2025, 2023, 2022, 2020, 2019, 2017, 2016, 2015. Compare it with nearby listed years before ordering.
Fitment notes
Rear not verified. Do not add a rear blade from this page alone.
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 2021 BMW X4 uses a staggered front pair: 26" on the driver side and 20" on the passenger side. Do not order two same-length front blades from this page.
Rear not verified. Use the front sizes from this page, then check the vehicle or retailer selector before adding a rear blade.
Source table: 14 checked source rows. Driver: 3 source labels; passenger: 3 source labels.
Connector type for the 2021 BMW X4 is listed as D-PTB and supported by Rain-X. Confirm the selected package includes that adapter.
Before ordering for this 2021 BMW X4
- Front pair: Select a 26" driver-side blade and a 20" passenger-side blade.
- Rear blade: Unverified. Do not add a rear blade from this page alone.
- Connector: D-PTB. Confirm the selected package includes the matching adapter.
- Source check: Last verified 2026-06-21 from Rain-X.
About this data
How we verify fitmentChecked fitment data. Last verified: 2026-06-21.
This page-specific source pack checked Rain-X for the 2021 BMW X4. The table lists which checked source contributed driver, passenger, rear, or connector evidence.
- Blade sizes
- Verified
- Rear status
- Unverified
- Connector
- Verified
- Sources
- Rain-X
- Cross-checked
- Bosch, TRICO, AutoZone, O'Reilly, WiperSizeChart, Michelin, RockAuto, ACDelco, CarParts.com, ANCO, Trico, Walmart, WiperSize.com
- Driver blade: Supported by Rain-X, WiperSizeChart, RockAuto
- Passenger blade: Supported by Rain-X, WiperSizeChart, RockAuto
- Rear blade: Unverified
- Connector / arm: Supported by Rain-X
| Source | Role | Supports | Checked | Link |
|---|---|---|---|---|
| Rain-X | Primary fitment reference | Driver, Passenger, Connector | 2026-06-21 | Visit source |
| Bosch | Cross-check source | Checked only | 2026-06-16 | Visit source |
| TRICO | Cross-check source | Checked only | 2026-06-16 | Visit source |
| AutoZone | Retailer fitment check | Checked only | 2026-06-16 | Checked source |
| O'Reilly | Retailer fitment check | Checked only | 2026-06-16 | Checked source |
| WiperSizeChart | Cross-check source | Driver, Passenger | 2026-06-21 | Checked source |
| Michelin | Cross-check source | Checked only | 2026-06-16 | Visit source |
| RockAuto | Cross-check source | Driver, Passenger | 2026-06-16 | Checked source |
| ACDelco | Cross-check source | Checked only | 2026-06-21 | Visit source |
| CarParts.com | Cross-check source | Checked only | 2026-06-16 | Checked source |
| ANCO | Cross-check source | Checked only | 2026-06-20 | Not available |
| Trico | Cross-check source | Checked only | 2026-06-20 | Not available |
| Walmart | Retailer fitment check | Checked only | 2026-06-20 | Not available |
| WiperSize.com | Cross-check source | Checked only | 2026-06-20 | Not available |
2021 BMW X4 wiper blade FAQ
Yes. The checked front pair for the 2021 BMW X4 is 26" on the driver side and 20" on the passenger side. Match the two positions separately in the cart.
Rear not verified. Confirm the rear position on the retailer site or on the vehicle before ordering.
Retailer catalogs can update separately. Confirm the exact 2021 BMW X4 selector at checkout before you buy.
2021 BMW X4 maintenance checklist
One part checked. Look up the rest while you're here.
- Wiper blade size 26" driver · 20" passenger Checked
- Oil type & capacity 2021 BMW X4 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 2021 BMW X4 and confirm the selected set matches the listed sizes.
Search 2021 BMW X4 blades →AutoZone
Use AutoZone's vehicle selector for the 2021 BMW X4 before checkout to confirm driver, passenger, and rear fitment.
Search 2021 BMW X4 blades →Amazon
Search Amazon listings for the 2021 BMW X4 and check the listing fitment notes against the sizes above.
Search 2021 BMW X4 blades →O'Reilly
Open O'Reilly's fitment search for the 2021 BMW X4 and verify the connector and blade lengths before ordering.
Search 2021 BMW X4 blades →Look up another vehicle
Find checked wiper blade sizes by exact year, make, and model.