About this part
What it does. Dayco POLY RIB BELT, DAYCO Dayco 311-A060470 drives engine accessories such as the alternator, water pump and air-conditioning compressor.
Symptoms that point to this part
- Squealing on cold start
- Visible cracking or glazing
- Accessories losing power
Fitment. Catalogued as fitting 2023–2025 BMW X4, 2021–2024 BMW M340i Xdrive, 2022–2024 BMW M340i, 2021–2024 BMW M440i, 2022–2023 BMW 540i, 2022–2023 BMW M440i Xdrive, 2022–2023 BMW M440i Xdrive Gran Coupe, 2020–2022 BMW X6, 2019–2022 BMW X7, 2022 BMW X3, 2022 BMW M440i Gran Coupe, 2019–2020 BMW X5. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.
Fits these vehicles
- 2025 BMW X4
- 2024 BMW M340i Xdrive
- 2024 BMW M340i
- 2024 BMW X4
- 2024 BMW M440i
- 2023 BMW 540i
- 2023 BMW M340i
- 2023 BMW M440i Xdrive
- 2023 BMW X4
- 2023 BMW M440i Xdrive Gran Coupe
- 2022 BMW M440i Xdrive
- 2022 BMW X6
- 2022 BMW M340i Xdrive
- 2022 BMW 540i
- 2022 BMW X7
- 2022 BMW M340i
- 2022 BMW M440i Xdrive Gran Coupe
- 2022 BMW X3
- 2022 BMW M440i Gran Coupe
- 2021 BMW M440i
- 2021 BMW X6
- 2021 BMW X7
- 2021 BMW M340i Xdrive
- 2020 BMW X6
- 2020 BMW X5
- 2020 BMW X7
- 2019 BMW X7
- 2019 BMW X5