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Genuine BMW 17128620944 - Engine Coolant Reservoir Hose
Product Overview
The Genuine BMW Engine Coolant Reservoir Hose part number 17128620944 is an essential component of your BMW engine's cooling system. Crafted from premium-grade materials and engineered to OEM standards, this high-quality hose is designed to withstand the most demanding driving conditions, ensuring that your engine stays cool and performs at its best. With its superior durability and reliable performance, this OEM supplier replacement part is a cost-effective solution that helps you avoid costly repairs and replacements down the line. The Genuine BMW Engine Coolant Reservoir Hose boasts a perfect fit and seamless compatibility with various BMW models, making it easy to install and maintain. Whether you are a DIY enthusiast or a professional mechanic, investing in this premium part is crucial for keeping your BMW engine in top shape. Choose Genuine BMW 17128620944 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Genuine BMW 17128620944 is equivalent to or replaces the following part numbers: 17 12 8 620 944, 17128620944.
Vehicle Compatibility
- BMW 230i 2.0L4 (2017–2021)
- BMW 230i xDrive 2.0L4 (2017–2021)
- BMW 430i 2.0L4 (2017–2020)
- BMW 430i xDrive 2.0L4 (2017–2020)
- BMW 440i 3.0L6 (2017–2020)
- BMW 440i xDrive 3.0L6 (2017–2020)
- BMW 440i Gran Coupe 3.0L6 (2017–2020)
- BMW 440i xDrive Gran Coupe 3.0L6 (2017–2020)
- BMW M240i 3.0L6 (2017–2021)
- BMW M240i xDrive 3.0L6 (2017–2021)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fit™ - complete repair solutions with no guesswork
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Genuine BMW 17128620944 Engine Coolant Reservoir Hose do?
The Engine Coolant Reservoir Hose is responsible for transporting coolant between the engine and the coolant reservoir. It plays a crucial role in maintaining the optimal temperature of the engine, preventing overheating and ensuring efficient performance.
How do I know if my Engine Coolant Reservoir Hose needs replacement?
Common signs that the Engine Coolant Reservoir Hose may need replacement include coolant leaks, visible wear or damage to the hose, engine overheating, and fluctuating temperature readings on the dashboard.
Can I install the Genuine BMW 17128620944 myself?
Yes, the installation of the Genuine BMW 17128620944 can be done by a DIY enthusiast; however, it is essential to ensure that the vehicle is cool and to follow proper procedures to avoid any damage.
What are the symptoms of a faulty Engine Coolant Reservoir Hose?
Symptoms of a faulty Engine Coolant Reservoir Hose include coolant leaks around the hose, engine overheating, and inconsistent temperature gauge readings. If you experience these issues, it is advisable to inspect the hose immediately.
Why should I choose Genuine BMW for my Engine Coolant Reservoir Hose needs?
Choosing Genuine BMW ensures you receive a factory-correct replacement that restores safety and performance. Order Genuine BMW 17128620944 today for a reliable solution that keeps your engine running smoothly.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandGenuine BMW
- ManufacturerGenuine BMW
- MPN17128620944
- Part TypeEngine Coolant Reservoir Hose
- OE Part Numbers17 12 8 620 944, 17128620944
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2017 | BMW | M240i xDrive | Base (3.0 L6 GAS) | Notes: 2017-21 3.0 LITER W/O M MODEL, Return hose |
| 2017 | BMW | 440i Gran Coupe | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, Return hose |
| 2017 | BMW | 340i GT xDrive | Base (3.0 L6 GAS) | Aspiration: Turbocharged, Notes: 2017-19 3.0 LITER, Return hose |
| 2017 | BMW | 430i xDrive | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2017 | BMW | 440i | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, W/O M4 W/M PACKAGE, Return hose |
| 2017 | BMW | 440i xDrive | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, W/O M4 W/M PACKAGE, Return hose |
| 2017 | BMW | 440i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, Return hose |
| 2017 | BMW | 230i | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-21, #1 |
| 2017 | BMW | 430i | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2017 | BMW | 230i xDrive | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-21, #1 |
| 2017 | BMW | 430i Gran Coupe | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2017 | BMW | M240i | Base (3.0 L6 GAS) | Notes: 2017-21 3.0 LITER W/O M MODEL, Return hose |
| 2017 | BMW | 330i GT xDrive | Base (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: 2.0 LITER 2017-19, #1 |
| 2017 | BMW | 430i xDrive Gran Coupe | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2018 | BMW | 440i | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, W/O M4 W/M PACKAGE, Return hose |
| 2018 | BMW | 440i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, Return hose |
| 2018 | BMW | 430i xDrive | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2018 | BMW | 230i | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-21, #1 |
| 2018 | BMW | 340i GT xDrive | Base (3.0 L6 GAS) | Aspiration: Turbocharged, Notes: 2017-19 3.0 LITER, Return hose |
| 2018 | BMW | M240i xDrive | Base (3.0 L6 GAS) | Notes: 2017-21 3.0 LITER W/O M MODEL, Return hose |
| 2018 | BMW | 330i GT xDrive | Base (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: 2.0 LITER 2017-19, #1 |
| 2018 | BMW | 440i xDrive | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, W/O M4 W/M PACKAGE, Return hose |
| 2018 | BMW | 430i | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2018 | BMW | 440i Gran Coupe | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, Return hose |
| 2018 | BMW | M240i | Base (3.0 L6 GAS) | Notes: 2017-21 3.0 LITER W/O M MODEL, Return hose |
| 2018 | BMW | 430i xDrive Gran Coupe | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2018 | BMW | 430i Gran Coupe | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2018 | BMW | 230i xDrive | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-21, #1 |
| 2019 | BMW | 430i xDrive | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2019 | BMW | 440i xDrive | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, W/O M4 W/M PACKAGE, Return hose |
| 2019 | BMW | 230i xDrive | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-21, #1 |
| 2019 | BMW | M240i xDrive | Base (3.0 L6 GAS) | Notes: 2017-21 3.0 LITER W/O M MODEL, Return hose |
| 2019 | BMW | 440i Gran Coupe | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, Return hose |
| 2019 | BMW | 230i | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-21, #1 |
| 2019 | BMW | M240i | Base (3.0 L6 GAS) | Notes: 2017-21 3.0 LITER W/O M MODEL, Return hose |
| 2019 | BMW | 440i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, Return hose |
| 2019 | BMW | 440i | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, W/O M4 W/M PACKAGE, Return hose |
| 2019 | BMW | 430i Gran Coupe | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2019 | BMW | 430i xDrive Gran Coupe | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2019 | BMW | 330i GT xDrive | Base (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: 2.0 LITER 2017-19, #1 |
| 2019 | BMW | 430i | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2019 | BMW | 340i GT xDrive | Base (3.0 L6 GAS) | Aspiration: Turbocharged, Notes: 2017-19 3.0 LITER, Return hose |
| 2021 | BMW | M240i | Base (3.0 L6 GAS) | Notes: 2017-21 3.0 LITER W/O M MODEL, Return hose |
| 2021 | BMW | M240i xDrive | Base (3.0 L6 GAS) | Notes: 2017-21 3.0 LITER W/O M MODEL, Return hose |
| 2021 | BMW | 230i | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-21, #1 |
| 2021 | BMW | 230i xDrive | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-21, #1 |
| 2020 | BMW | 440i xDrive | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, W/O M4 W/M PACKAGE, Return hose |
| 2020 | BMW | 430i xDrive | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2020 | BMW | 440i | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, W/O M4 W/M PACKAGE, Return hose |
| 2020 | BMW | M240i | Base (3.0 L6 GAS) | Notes: 2017-21 3.0 LITER W/O M MODEL, Return hose |
| 2020 | BMW | 440i xDrive Gran Coupe | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, Return hose |
| 2020 | BMW | 430i Gran Coupe | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2020 | BMW | M240i xDrive | Base (3.0 L6 GAS) | Notes: 2017-21 3.0 LITER W/O M MODEL, Return hose |
| 2020 | BMW | 230i xDrive | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-21, #1 |
| 2020 | BMW | 430i | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2020 | BMW | 440i Gran Coupe | Base (3.0 L6 GAS) | Notes: 2017-20 3.0 LITER, Return hose |
| 2020 | BMW | 430i xDrive Gran Coupe | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-20, #1 |
| 2020 | BMW | 230i | Base (2.0 L4 GAS) | Notes: 2.0 LITER 2017-21, #1 |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.




