BMW Auxiliary Coolant Reservoir / Tank 17138617045
OEM Part #: 17-13-8-617-045 (17138617045)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other Coolant Reservoir / Tank that may fit your vehicle
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The OEM Auxiliary Coolant Reservoir is essential for maintaining optimal engine temperature by housing coolant in compatible BMW models. This factory-original part, with OEM Part Number 8617045, fits various models including the BMW 430i, 440i (2017-2020) and 330i, 340i (2016-2018). Situated in the engine bay, it connects directly to the cooling system, ensuring proper circulation of coolant. Common issues such as leaks, cracks, or deterioration can lead to overheating, compromising engine performance. Restoring your vehicle with this authentic part helps prevent overheating and associated engine damage, ensuring reliable operation. Choose genuine quality for peace of mind.
Specifications
| Fits Vehicle Model | 230i, 230i xDrive, 330i, 330i GT xDrive, 330i xDrive, 340i, 340i GT xDrive, 340i xDrive, 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, 440i, 440i Gran Coupe, 440i xDrive, 440i xDrive Gran Coupe, M240i, M240i xDrive |
| Fits Vehicle Make | BMW |
| OEM Part No | 17-13-8-617-045 (17138617045) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 90 vehicle configurations across 1 make, 2016-2020.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 90 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2016 | BMW | 340i | Sedan | 3.0L l6 Turbo | |
| 2016 | BMW | 340i xDrive | Sedan | 3.0L l6 Turbo | |
| 2017 | BMW | 230i | Convertible | 2.0L l4 Turbo | |
| 2017 | BMW | 230i | Coupe | 2.0L l4 Turbo | |
| 2017 | BMW | 230i xDrive | Convertible | 2.0L l4 Turbo | |
| 2017 | BMW | 230i xDrive | Coupe | 2.0L l4 Turbo | |
| 2017 | BMW | 330i | Sedan | 2.0L l4 Turbo | |
| 2017 | BMW | 330i GT xDrive | Hatchback | 2.0L l4 Turbo | |
| 2017 | BMW | 330i xDrive | Sedan | 2.0L l4 Turbo | |
| 2017 | BMW | 330i xDrive | Wagon | 2.0L l4 Turbo | |
| 2017 | BMW | 340i | Sedan | 3.0L l6 Turbo | |
| 2017 | BMW | 340i GT xDrive | Hatchback | 3.0L l6 Turbo | |
| 2017 | BMW | 340i xDrive | Sedan | 3.0L l6 Turbo | |
| 2017 | BMW | 430i | Convertible | 2.0L l4 Turbo | |
| 2017 | BMW | 430i | Coupe | 2.0L l4 Turbo | |
| 2017 | BMW | 430i Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2017 | BMW | 430i xDrive | Convertible | 2.0L l4 Turbo | |
| 2017 | BMW | 430i xDrive | Coupe | 2.0L l4 Turbo | |
| 2017 | BMW | 430i xDrive Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2017 | BMW | 440i | Convertible | 3.0L l6 Turbo | |
| 2017 | BMW | 440i | Coupe | 3.0L l6 Turbo | |
| 2017 | BMW | 440i Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2017 | BMW | 440i xDrive | Convertible | 3.0L l6 Turbo | |
| 2017 | BMW | 440i xDrive | Coupe | 3.0L l6 Turbo | |
| 2017 | BMW | 440i xDrive Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2017 | BMW | M240i | Convertible | 3.0L l6 Turbo | |
| 2017 | BMW | M240i | Coupe | 3.0L l6 Turbo | |
| 2017 | BMW | M240i xDrive | Convertible | 3.0L l6 Turbo | |
| 2017 | BMW | M240i xDrive | Coupe | 3.0L l6 Turbo | |
| 2018 | BMW | 230i | Convertible | 2.0L l4 Turbo | |
| 2018 | BMW | 230i | Coupe | 2.0L l4 Turbo | |
| 2018 | BMW | 230i xDrive | Convertible | 2.0L l4 Turbo | |
| 2018 | BMW | 230i xDrive | Coupe | 2.0L l4 Turbo | |
| 2018 | BMW | 330i | Sedan | 2.0L l4 Turbo | |
| 2018 | BMW | 330i GT xDrive | Hatchback | 2.0L l4 Turbo | |
| 2018 | BMW | 330i xDrive | Sedan | 2.0L l4 Turbo | |
| 2018 | BMW | 330i xDrive | Wagon | 2.0L l4 Turbo | |
| 2018 | BMW | 340i | Sedan | 3.0L l6 Turbo | |
| 2018 | BMW | 340i GT xDrive | Hatchback | 3.0L l6 Turbo | |
| 2018 | BMW | 340i xDrive | Sedan | 3.0L l6 Turbo | |
| 2018 | BMW | 430i | Convertible | 2.0L l4 Turbo | |
| 2018 | BMW | 430i | Coupe | 2.0L l4 Turbo | |
| 2018 | BMW | 430i Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2018 | BMW | 430i xDrive | Convertible | 2.0L l4 Turbo | |
| 2018 | BMW | 430i xDrive | Coupe | 2.0L l4 Turbo | |
| 2018 | BMW | 430i xDrive Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2018 | BMW | 440i | Convertible | 3.0L l6 Turbo | |
| 2018 | BMW | 440i | Coupe | 3.0L l6 Turbo | |
| 2018 | BMW | 440i Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2018 | BMW | 440i xDrive | Convertible | 3.0L l6 Turbo | |
| 2018 | BMW | 440i xDrive | Coupe | 3.0L l6 Turbo | |
| 2018 | BMW | 440i xDrive Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2018 | BMW | M240i | Convertible | 3.0L l6 Turbo | |
| 2018 | BMW | M240i | Coupe | 3.0L l6 Turbo | |
| 2018 | BMW | M240i xDrive | Convertible | 3.0L l6 Turbo | |
| 2018 | BMW | M240i xDrive | Coupe | 3.0L l6 Turbo | |
| 2019 | BMW | 230i | Convertible | 2.0L l4 Turbo | |
| 2019 | BMW | 230i | Coupe | 2.0L l4 Turbo | |
| 2019 | BMW | 230i xDrive | Convertible | 2.0L l4 Turbo | |
| 2019 | BMW | 230i xDrive | Coupe | 2.0L l4 Turbo | |
| 2019 | BMW | 330i GT xDrive | Hatchback | 2.0L l4 Turbo | |
| 2019 | BMW | 340i GT xDrive | Hatchback | 3.0L l6 Turbo | |
| 2019 | BMW | 430i | Convertible | 2.0L l4 Turbo | |
| 2019 | BMW | 430i | Coupe | 2.0L l4 Turbo | |
| 2019 | BMW | 430i Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2019 | BMW | 430i xDrive | Convertible | 2.0L l4 Turbo | |
| 2019 | BMW | 430i xDrive | Coupe | 2.0L l4 Turbo | |
| 2019 | BMW | 430i xDrive Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2019 | BMW | 440i | Convertible | 3.0L l6 Turbo | |
| 2019 | BMW | 440i | Coupe | 3.0L l6 Turbo | |
| 2019 | BMW | 440i Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2019 | BMW | 440i xDrive | Convertible | 3.0L l6 Turbo | |
| 2019 | BMW | 440i xDrive | Coupe | 3.0L l6 Turbo | |
| 2019 | BMW | 440i xDrive Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2019 | BMW | M240i | Convertible | 3.0L l6 Turbo | |
| 2019 | BMW | M240i | Coupe | 3.0L l6 Turbo | |
| 2019 | BMW | M240i xDrive | Convertible | 3.0L l6 Turbo | |
| 2019 | BMW | M240i xDrive | Coupe | 3.0L l6 Turbo | |
| 2020 | BMW | 430i | Convertible | 2.0L l4 Turbo | |
| 2020 | BMW | 430i | Coupe | 2.0L l4 Turbo | |
| 2020 | BMW | 430i Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2020 | BMW | 430i xDrive | Convertible | 2.0L l4 Turbo | |
| 2020 | BMW | 430i xDrive | Coupe | 2.0L l4 Turbo | |
| 2020 | BMW | 430i xDrive Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2020 | BMW | 440i | Convertible | 3.0L l6 Turbo | |
| 2020 | BMW | 440i | Coupe | 3.0L l6 Turbo | |
| 2020 | BMW | 440i Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2020 | BMW | 440i xDrive | Convertible | 3.0L l6 Turbo | |
| 2020 | BMW | 440i xDrive | Coupe | 3.0L l6 Turbo | |
| 2020 | BMW | 440i xDrive Gran Coupe | Hatchback | 3.0L l6 Turbo |