Genuine BMW M440i Gran Coupe Coolant Reservoir Hose

Water Bypass Hose

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28 Coolant Reservoir Hoses found

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BMW M440i Gran Coupe Radiator Hose
Part Number: 17128654854
$104.92 MSRP: $141.26
You Save: $36.34 (26%)
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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:
- 2022-2024 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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:
- 2022-2024 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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:
- 2022-2024 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe HOSE FOR EXPANSION TANK
Part Number: 17128654832
$63.19 MSRP: $83.68
You Save: $20.49 (25%)
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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:
- 2022-2024 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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:
- 2022-2024 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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:
- 2023-2024 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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:
- 2025 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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:
- 2022-2024 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe LINE EXTERNAL RADIATOR
Part Number: 17128654815
$77.70 MSRP: $104.61
You Save: $26.91 (26%)
Ships in 1-3 Business Days
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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:
- 2022-2024 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe Hose For Electric Coolant Pump
Part Number: 17125A06867
$51.35 MSRP: $68.00
You Save: $16.65 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: HOSE FOR ELECTRIC COOLANT PU; Coolant Hose, Water Pipe
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2025 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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:
- 2022 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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:
- 2022-2024 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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 Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe COOLANT RETURN LINE, RADIATO
Part Number: 17125A3B5E1
$77.70 MSRP: $104.61
You Save: $26.91 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Return Line
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2025 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe HOSE WATER PUMP
Part Number: 17125A3B5D3
$77.70 MSRP: $104.61
You Save: $26.91 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Water Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2025 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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:
- 2022-2024 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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 Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe Hose For Electric Coolant Pump
Part Number: 17125A3B5D6
$104.92 MSRP: $141.26
You Save: $36.34 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: HOSE FOR ELECTRIC COOLANT PU; Feed Line
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2025 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe HOSE INTAKE SYSTEM COOLANT R
Part Number: 17125A3B5D5
$89.36 MSRP: $120.31
You Save: $30.95 (26%)
Product Specifications
- Other Name: Front Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2025 BMW M440i Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
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BMW M440i Gran Coupe 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 Gran Coupe | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)

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BMW M440i Gran Coupe Coolant Reservoir Hose

The BMW M440i Gran Coupe Coolant Reservoir Hose is in charge of excess coolant so temperature stays stable and power stays strong. Designed to manufacturer specifications, this Coolant Reservoir Hose transports hot fluid from the radiator to the expansion tank under pressure, returning it as the engine cools to prevent air pockets that could cause overheating in the BMW cooling system. The firm's molded routing fits the space around the M440i Gran Coupe engine. Meanwhile, a flexible high-grade silicone option is extra heat resistant and easy to align without losing its seal. The M440i Gran Coupe's choice Coolant Reservoir Hose is sized to the year of the vehicle, which ensures correct diameter and burst strength for odourless turbocharged inline-six coolant flow. The thick walls of the component do not crack after years of commuting or pulling on a highway. Therefore, further assistance is given to the BMW reputation for durability. An effective Coolant Reservoir Hose prevents the formation of sweet puddles, keeps gauges at safe levels, and avoids leaks laden with metal that could damage the aluminum block and affect the balance that the M440i Gran Coupe has built its reputation on. Due to the steady pressure in the Coolant Reservoir Hose, the cooling system of the B58 engine allows the BMW liftback to deliver consistent acceleration in stop-and-go traffic or on an incline. All recent M440i Gran Coupe variants are compatible with either rear-drive or xDrive, so owners can enjoy the dependability of factory-level builds without mismatched fittings. The installation usually demands just a few tools. Once seated, the Coolant Reservoir Hose operates silently, maintaining combustion temperature at an optimal level for better fuel efficiency and lower emissions. The Coolant Reservoir Hose is built with a stronger structure and precise bends and uses heat-resistant material to not melt. Hence, BMW fans trust it as an essential safeguard for engine health and passenger safety. Make it regular practice to check the Coolant Reservoir Hose during oil changes of the BMW M440i Gran Coupe to keep it cool, efficient, and safe to drive for countless enjoyable miles.

If you are looking for OEM BMW M440i Gran Coupe 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 Gran Coupe Coolant Reservoir Hose that come backed by the manufacturer's warranty.

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