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by year, make, and model.

2018 BMW X4 wiper blade size

The 2018 BMW X4 uses a 26" driver-side wiper blade, a 20" passenger-side blade, and a 26" rear wiper blade.

Driver 26"
Passenger 20"
Rear 26"
Connector Side Pin (22mm) Simplified sketch for identification only. Adapter shapes vary by brand. Open connector guide Side Pin (22mm)

Blade sizes: Verified Connector: Verified Last verified: 2026-06-25 Primary source: Rain-X

Front sizes confirmed unchanged across 11 model years (2015โ€“2025).

2018 BMW X4 wiper blade size chart

Item Size Notes
Driver 26" Driver-side wiper blade
Passenger 20" Passenger-side wiper blade
Rear 26" 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 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 โ€”
2023 26" 20" Unverified D-PTB
2022 26" 20" Unverified D-PTB
2021 26" 20" Unverified D-PTB
2020 26" 20" Unverified D-PTB
2019 26" 20" Unverified D-PTB
2018 Current page 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)
Year-specific context

The 2018 row sits between 2019 and 2017 in this X4 year table. No other listed X4 year in this table currently shares this exact driver / passenger / rear pattern. Compare it with nearby listed years before ordering.

Fitment notes

Connector type: Side Pin (22mm)

When buying replacement blades, match this connector type. Most universal blades include adapters, but confirming your arm style at checkout prevents a return trip.

Verify before checkout

Retailer fitment tools may use different fitment data. Confirm blade length before ordering.

Vehicle-specific evidence notes

Front pair

The 2018 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 position

The rear field for the 2018 BMW X4 is 26". Rear size is supported by Walmart.

Source coverage

Source table: 11 checked source rows. Driver: 6 source labels; passenger: 6 source labels.

Connector evidence

Connector type for the 2018 BMW X4 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 X4

Checkout verification checklist
  • Front pair: Select a 26" driver-side blade and a 20" passenger-side blade.
  • Rear blade: Select a 26" rear blade.
  • Connector: Side Pin (22mm). Confirm the selected package includes the matching adapter.
  • Source check: Last verified 2026-06-25 from Rain-X.

About this data

How we verify fitment

Checked fitment data. Last verified: 2026-06-25.

This page-specific source pack checked Rain-X for the 2018 BMW X4. The table lists which checked source contributed driver, passenger, rear, or connector evidence.

Blade sizes
Verified
Rear status
26" verified
Connector
Verified
Sources
Rain-X
Cross-checked
Bosch, TRICO, AutoZone, O'Reilly, WiperSizeChart, ANCO, Trico, Walmart, WiperSize.com, bosch
Field-level source support
  • Driver blade: Supported by Rain-X, WiperSizeChart, ANCO, Trico, Walmart, bosch
  • Passenger blade: Supported by Rain-X, WiperSizeChart, ANCO, Trico, Walmart, bosch
  • Rear blade: Supported by Walmart
  • Connector / arm: Supported by Rain-X, ANCO, Trico
Source Role Supports Checked Link
Rain-X Primary fitment reference Driver, Passenger, Connector 2026-06-25 Visit source
Bosch Cross-check source Checked only 2026-06-15 Visit source
TRICO Cross-check source Checked only 2026-06-15 Visit source
AutoZone Retailer fitment check Checked only 2026-06-15 Checked source
O'Reilly Retailer fitment check Checked only 2026-06-15 Checked source
WiperSizeChart Cross-check source Driver, Passenger 2026-06-25 Checked source
ANCO Cross-check source Driver, Passenger, Connector 2026-06-25 Visit source
Trico Cross-check source Driver, Passenger, Connector 2026-06-19 Visit source
Walmart Retailer fitment check Driver, Passenger, Rear 2026-06-25 Checked source
WiperSize.com Cross-check source Checked only 2026-06-19 Not available
bosch Cross-check source Driver, Passenger 2026-06-25 Visit source

2018 BMW X4 wiper blade FAQ

Can I buy a front pair from this page?

Yes. The checked front pair for the 2018 BMW X4 is 26" on the driver side and 20" on the passenger side. Match the two positions separately in the cart.

What should I do about the rear blade?

The rear wiper blade listed for this 2018 X4 is 26". Confirm the retailer listing keeps the rear position separate from the front pair.

Why confirm again at checkout?

Retailer catalogs can update separately. Confirm the exact 2018 BMW X4 selector at checkout before you buy.

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.

AutoZone

Use AutoZone's vehicle selector for the 2018 BMW X4 before checkout to confirm driver, passenger, and rear fitment.

Search 2018 BMW X4 blades →

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