Genuine BMW M440i xDrive Coolant Reservoir Hose

Water Bypass Hose

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24 Coolant Reservoir Hoses found

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BMW M440i xDrive Radiator Hose
Part Number: 17128654854
$104.92 MSRP: $141.26
You Save: $36.34 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: HOSE, RADIATOR; Lower Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive Line from Coolant Pump-Cylinder
Part Number: 11538650983
$84.27 MSRP: $106.58
You Save: $22.31 (21%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: By-Pass Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive Refrigerant Pipe
Part Number: 11518482258
$35.11 MSRP: $43.68
You Save: $8.57 (20%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive HOSE FOR EXPANSION TANK
Part Number: 17128654832
$63.19 MSRP: $83.68
You Save: $20.49 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Connector Hose, Coolant Hose, Reservoir Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive LINE EXTERNAL RADIATOR
Part Number: 17128654820
$71.11 MSRP: $94.16
You Save: $23.05 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: By-Pass Hose, Hose, Lower Hose, Lower Hose & Tube
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive HOSE, REMOTE, COOLANT RADIAT
Part Number: 17125A024C1
$71.11 MSRP: $94.16
You Save: $23.05 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Upper Hose & Tube
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2025 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive LINE FROM COOLANT PUMP-CYLIN
Part Number: 11539453680
$81.13 MSRP: $102.61
You Save: $21.48 (21%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2024-2025 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive HOSE, RETURN, INTAKE SYSTEM
Part Number: 17128742080
$77.70 MSRP: $104.61
You Save: $26.91 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Return Hose, Suction Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive LINE EXTERNAL RADIATOR
Part Number: 17128654815
$77.70 MSRP: $104.61
You Save: $26.91 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: By-Pass Hose, Connector Hose, Hose, Upper Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive HOSE, REMOTE, COOLANT RADIAT
Part Number: 17128654821
$71.11 MSRP: $94.16
You Save: $23.05 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Upper Hose, Upper Hose & Tube
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive COOLANT LINE, TURBOCHARGER S
Part Number: 11538489595
$139.65 MSRP: $179.62
You Save: $39.97 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2024-2025 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive COOLANT LINE, TURBOCHARGER R
Part Number: 11538489596
$105.50 MSRP: $133.42
You Save: $27.92 (21%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2024-2025 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive LINE, STARTER MOTOR GENERATO
Part Number: 17128742083
$118.42 MSRP: $162.15
You Save: $43.73 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cooling Pipe, Hose, Hose Assembly
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive HOSE HEAT MANAGEMENT MODULE
Part Number: 17125A3B5B0
$118.42 MSRP: $162.15
You Save: $43.73 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Upper Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2025 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive LINE EXTERNAL RADIATOR
Part Number: 17128742137
$148.99 MSRP: $204.00
You Save: $55.01 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive HOSE COOLANT RADIATOR INTAKE
Part Number: 17128742081
$89.36 MSRP: $120.31
You Save: $30.95 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Front Hose, Upper Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive Radiator Hose
Part Number: 17125A3B5B9
$89.36 MSRP: $120.31
You Save: $30.95 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: HOSE, RADIATOR; Lower Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2025 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive PIPE, EXPANSION TANK-CYLINDE
Part Number: 17128654855
$43.45 MSRP: $57.53
You Save: $14.08 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: By-Pass Hose, Connector Hose, Reservoir Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive Radiator Hose
Part Number: 17128742077
$63.19 MSRP: $83.68
You Save: $20.49 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: HOSE, RADIATOR; Front Hose, Lower Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2024 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i xDrive COOLANT RETURN LINE, RADIATO
Part Number: 17125A3B5D4
$89.36 MSRP: $120.31
You Save: $30.95 (26%)
Product Specifications
- Other Name: By-Pass Hose, Front Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2025 BMW M440i xDrive | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)

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1-20 of 24 Results

BMW M440i xDrive Coolant Reservoir Hose

The BMW M440i xDrive Coolant Reservoir Hose helps to maintain even engine temperatures by rapidly diverting fluid from the engine back to the radiator. It keeps the system sealed from air intrusion. Built from heat tolerant EPDM molded to factory specifications, the BMW M440i xDrive benefits from a Coolant Reservoir Hose that is resistant to thermal fatigue, which means spirited commutes remain smooth and worry free. Positioned at the heart of the recovery loop, the Coolant Reservoir Hose routes excess coolant to the expansion tank, after which it is drawn back again once temperatures drop to maintain a closed cooling loop that reduces corrosion and increases long term efficiency. Owners of the BMW M440i xDrive enjoy the way that this Coolant Reservoir Hose protects their turbocharged six from low coolant warnings and allows power delivery to remain sharp even on hot city streets or winding back roads. Compatibility is across coupe, convertible and Gran Coupe versions respectively, so whichever BMW M440i xDrive you're driving, the correctly numbered Coolant Reservoir Hose drops straight in without awkward trimming, restoring factory grade fit and seal. Its reinforced rubber walls take repeated pressure spikes in stride, and the tight molded bends eliminate any kinks that might cut off the flow and allow the BMW M440i xDrive cooling system to breathe freely, minimizing the risk of a costly bout of overheating. A discreet layer of fabric also dampens vibration, a feature that helps the Coolant Reservoir Hose maintain integrity under sustained motorway speeds, supporting stable cabin heat and protecting delicate sensors. Because the BMW M440i xDrive places high demands on every component, choosing a genuine Coolant Reservoir Hose with warranty backing provides peace of mind, increases its value and contributes to overall driving safety.

If you are looking for OEM BMW M440i xDrive Coolant Reservoir Hose, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW M440i xDrive Coolant Reservoir Hose that come backed by the manufacturer's warranty.

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