CarPartSizes

Car part size lookup
by year, make, and model.

2018 BMW 550i xDrive wiper blade size

The 2018 BMW 550i xDrive uses a 26" driver-side wiper blade and a 19" passenger-side blade. Rear not verified.

Driver 26"
Passenger 19"
Rear Unverified
Connector / Arm Push Button (22mm)

Blade sizes: Verified Connector: Verified Last verified: 2026-06-19 Primary source: ANCO

2018 BMW 550i xDrive wiper blade size chart

Item Size Notes
Driver 26" Driver-side wiper blade
Passenger 19" Passenger-side wiper blade
Rear Unverified Unverified
Connector Push Button (22mm) Source-backed connector / arm type

BMW 550i xDrive wiper blade sizes by year

This table includes verified BMW 550i xDrive model years available in our database.

Year Driver Passenger Rear Connector
2018 Current page 26" 19" Unverified Push Button (22mm)
2016 26" 18" Unverified Side Pin (17mm)
2015 26" 18" Unverified Side Pin (17mm)
2014 26" 18" Unverified Side Pin (17mm)
2013 26" 18" Unverified Side Pin (17mm)
2012 26" 18" Unverified Side Pin (17mm)
2011 26" 18" Unverified Side Pin (17mm)
Year-specific context

The 2018 row is the newest published 550i xDrive row, with 2016 as the next older published row. No other published 550i xDrive year in this table currently shares this exact driver / passenger / rear pattern. Use it as the latest published row in this model-year table.

Fitment notes

Rear status

Rear not verified. Do not add a rear blade from this page alone.

Connector type: Push Button (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 550i xDrive uses a staggered front pair: 26" on the driver side and 19" on the passenger side. Do not order two same-length front blades from this page. This page is keyed to the BMW five hundred fiftyi xDrive model name, so compare it with the exact 550i xDrive row rather than a nearby numeric model.

Rear position

Rear not verified. Use the front sizes from this page, then check the vehicle or retailer selector before adding a rear blade.

Source coverage

Source table: 5 checked source rows. Driver: 2 source labels; passenger: 2 source labels.

Connector evidence

Connector / arm type for the 2018 BMW 550i xDrive is listed as Push Button (22mm) and supported by ANCO and Trico. Confirm the selected package includes that adapter.

Before ordering for this 2018 BMW 550i xDrive

Checkout verification checklist
  • Front pair: Select a 26" driver-side blade and a 19" passenger-side blade.
  • Rear blade: Unverified. Do not add a rear blade from this page alone.
  • Connector: Push Button (22mm). Confirm the selected package includes the matching adapter.
  • Source check: Last verified 2026-06-19 from ANCO.

About this data

How we verify fitment

Source-backed. Last verified: 2026-06-19.

This page-specific source pack checked ANCO for the 2018 BMW 550i xDrive. The table lists which checked source contributed driver, passenger, rear, or connector evidence.

Blade sizes
Verified
Rear status
Unverified
Connector
Verified
Sources
ANCO
Cross-checked
Trico, WiperSizeChart, Walmart, WiperSize.com
Field support - Field-level source support
  • Driver blade: Supported by ANCO, Trico
  • Passenger blade: Supported by ANCO, Trico
  • Rear blade: Unverified
  • Connector / arm: Supported by ANCO, Trico
Source Role Supports Checked Link
ANCO Primary fitment reference Driver, Passenger, Connector 2026-06-19 Open source
Trico Cross-check source Driver, Passenger, Connector 2026-06-19 Open source
WiperSizeChart Cross-check source Checked only 2026-06-19 Not available
Walmart Retailer fitment check Checked only 2026-06-19 Not available
WiperSize.com Cross-check source Checked only 2026-06-19 Not available

2018 BMW 550i xDrive wiper blade FAQ

Can I buy a front pair from this page?

Yes. The source-backed front pair for the 2018 BMW 550i xDrive is 26" on the driver side and 19" on the passenger side. Match the two positions separately in the cart.

What should I do about the rear blade?

Rear not verified. Confirm the rear position on the retailer site or on the vehicle before ordering.

Why confirm again at checkout?

Retailer catalogs can update separately. Confirm the exact 2018 BMW 550i xDrive 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.

Look up another vehicle

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