2018 BMW 640i xDrive wiper blade size
The 2018 BMW 640i xDrive uses a 26" driver-side wiper blade and a 17" passenger-side blade. Rear not verified.
Front sizes confirmed unchanged across 5 model years (2014–2018).
2018 BMW 640i xDrive wiper blade size chart
| Item | Size | Notes |
|---|---|---|
| Driver | 26" | Driver-side wiper blade |
| Passenger | 17" | Passenger-side wiper blade |
| Rear | Unverified | Unverified |
| Connector | Side Pin (17mm) | Source-backed connector / arm type |
640i, 640i Gran Coupe, 650i, 650i Gran Coupe, 650i xDrive, 650i xDrive Gran Coupe, Alpina B6 xDrive Gran Coupe, M6, M6 Gran Coupe
BMW 640i xDrive wiper blade sizes by year
This table includes verified BMW 640i xDrive model years available in our database.
| Year | Driver | Passenger | Rear | Connector |
|---|---|---|---|---|
| 2018 Current page | 26" | 17" | Unverified | Side Pin (17mm) |
| 2017 | 26" | 17" | Unverified | Side Pin (17mm) |
| 2016 | 26" | 17" | Unverified | Side Pin (17mm) |
| 2015 | 26" | 17" | Unverified | Side Pin (17mm) |
| 2014 | 26" | 17" | Unverified | Side Pin (17mm) |
The 2018 row is the newest published 640i xDrive row, with 2017 as the next older published row. The same driver / passenger / rear pattern also appears on 2017, 2016, 2015, 2014. Use it as the latest published row in this model-year table.
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 2018 BMW 640i xDrive uses a staggered front pair: 26" on the driver side and 17" 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: 9 checked source rows. Driver: 3 source labels; passenger: 3 source labels.
Connector / arm type for the 2018 BMW 640i xDrive is listed as Side Pin (17mm) and supported by Trico and ANCO. Confirm the selected package includes that adapter.
Before ordering for this 2018 BMW 640i xDrive
- Front pair: Select a 26" driver-side blade and a 17" passenger-side blade.
- Rear blade: Unverified. Do not add a rear blade from this page alone.
- Connector: Side Pin (17mm). Confirm the selected package includes the matching adapter.
- Source check: Last verified 2026-06-20 from WiperSizeChart.
About this data
How we verify fitmentSource-backed. Last verified: 2026-06-20.
This page-specific source pack checked WiperSizeChart for the 2018 BMW 640i xDrive. The table lists which checked source contributed driver, passenger, rear, or connector evidence.
- Blade sizes
- Verified
- Rear status
- Unverified
- Connector
- Verified
- Sources
- WiperSizeChart
- Cross-checked
- Rain-X, Bosch, Trico, AutoZone, O'Reilly, ANCO, Walmart, WiperSize.com
- Driver blade: Supported by Trico, WiperSizeChart, ANCO
- Passenger blade: Supported by Trico, WiperSizeChart, ANCO
- Rear blade: Unverified
- Connector / arm: Supported by Trico, ANCO
| Source | Role | Supports | Checked | Link |
|---|---|---|---|---|
| Rain-X | Cross-check source | Checked only | 2026-06-15 | Open source |
| Bosch | Cross-check source | Checked only | 2026-06-15 | Open source |
| Trico | Cross-check source | Driver, Passenger, Connector | 2026-06-19 | Open source |
| AutoZone | Retailer fitment check | Checked only | 2026-06-15 | Open source |
| O'Reilly | Retailer fitment check | Checked only | 2026-06-15 | Open source |
| WiperSizeChart | Primary fitment reference | Driver, Passenger | 2026-06-20 | Open source |
| ANCO | Cross-check source | Driver, Passenger, Connector | 2026-06-20 | Open source |
| 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 640i xDrive wiper blade FAQ
Yes. The source-backed front pair for the 2018 BMW 640i xDrive is 26" on the driver side and 17" 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 2018 BMW 640i 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.
Walmart
Compare available wiper blade listings for the 2018 BMW 640i xDrive and confirm the selected set matches the listed sizes.
Search 2018 BMW 640i xDrive blades →AutoZone
Use AutoZone's vehicle selector for the 2018 BMW 640i xDrive before checkout to confirm driver, passenger, and rear fitment.
Search 2018 BMW 640i xDrive blades →Amazon
Search Amazon listings for the 2018 BMW 640i xDrive and check the listing fitment notes against the sizes above.
Search 2018 BMW 640i xDrive blades →O'Reilly
Open O'Reilly's fitment search for the 2018 BMW 640i xDrive and verify the connector and blade lengths before ordering.
Search 2018 BMW 640i xDrive blades →Look up another vehicle
Find source-backed wiper blade sizes by exact year, make, and model.