Original BMW Turbo-to-Auxiliary-Pump Coolant Return Hose Section A for the BMW 2/3/4/5/6/7 Series & X3/X4 (2016–2021). It links the cooling circuit between the water pump and the listed outlet. Original BMW Parts are engineered to the exact specifications of the vehicle they were built for.
Technical Details
- Part: Turbo-to-Auxiliary-Pump Coolant Return Hose Section A
- Function: Routes engine coolant between the named cooling-system components.
- BMW part number: 11-53-8-666-856
- Fitment years: 2016–2021
- Applications: BMW 2/3/4/5/6/7 Series & X3/X4
- Listed submodels: M40i
Fitment & Compatibility
Confirm your model year and submodel against the table below before ordering.
With over 20 years of parts and fitment experience, PMB Performance can match this to your VIN.
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2016–2018 | BMW | 340i | ||
| 2017–2019 | BMW | 340i GT xDrive | ||
| 2016–2018 | BMW | 340i xDrive | ||
| 2017–2020 | BMW | 440i | ||
| 2017–2020 | BMW | 440i Gran Coupe | ||
| 2017–2020 | BMW | 440i xDrive | ||
| 2017–2020 | BMW | 440i xDrive Gran Coupe | ||
| 2017–2019 | BMW | 540i | ||
| 2017–2019 | BMW | 540i xDrive | ||
| 2018–2019 | BMW | 640i xDrive Gran Turismo | ||
| 2016–2019 | BMW | 740i | ||
| 2017–2019 | BMW | 740i xDrive | ||
| 2017–2021 | BMW | M240i | ||
| 2017–2021 | BMW | M240i xDrive | ||
| 2018–2019 | BMW | X3 | M40i | |
| 2019 | BMW | X4 | M40i |