Genuine BMW M4 Coolant Reservoir Hose

Water Bypass Hose

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16 Coolant Reservoir Hoses found

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BMW M4 LINE EXTERNAL RADIATOR
Part Number: 17128096431
$124.08 MSRP: $169.89
You Save: $45.81 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Lower Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M4 | 6 Cyl 3.0 L GAS
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BMW M4 LINE EXTERNAL RADIATOR
Part Number: 17128088989
$81.40 MSRP: $109.60
You Save: $28.20 (26%)
Ships in 1-3 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:
- 2021-2025 BMW M4 | 6 Cyl 3.0 L GAS
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BMW M4 HOSE RADIATOR-WATER PUMP
Part Number: 17128096446
$93.62 MSRP: $126.05
You Save: $32.43 (26%)
Ships in 1-3 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:
- 2021-2025 BMW M4 | 6 Cyl 3.0 L GAS
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BMW M4 HOSE WATER PUMP
Part Number: 17128096423
$93.62 MSRP: $126.05
You Save: $32.43 (26%)
Ships in 1-3 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:
- 2021-2025 BMW M4 | 6 Cyl 3.0 L GAS
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BMW M4 HOSE, INDIRECT CHARGE AIR CO
Part Number: 17128096448
$109.90 MSRP: $147.97
You Save: $38.07 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose Assembly, Reservoir Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M4 | 6 Cyl 3.0 L GAS
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BMW M4 Line, Low-Temperature Coolant Radiator
Part Number: 17117848791
$66.21 MSRP: $87.68
You Save: $21.47 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Connector Hose, Line, Pipe
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2020 BMW M4 | Convertible(F83), Coupe Base(F82), Coupe CS(F82), Coupe GTS(F82), Coupe(F82)
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BMW M4 Line, Coolant Pump-Cylinder Head
Part Number: 11537848500
$248.67 MSRP: $322.58
You Save: $73.91 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Inlet Pipe, Upper Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2020 BMW M4 | Convertible(F83), Coupe Base(F82), Coupe CS(F82), Coupe GTS(F82), Coupe(F82)
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BMW M4 Coolant Hose
Part Number: 11538054852
$107.08 MSRP: $154.10
You Save: $47.02 (31%)
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:
- 2021-2025 BMW M4 | 6 Cyl 3.0 L GAS
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BMW M4 Lower Water Coolant Hose
Part Number: 11537848502
$107.08 MSRP: $154.10
You Save: $47.02 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose, Radiator Bottom-Thermostat; Lower Hose, Outlet Pipe, Vent Hose
- Position: Lower
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2020 BMW M4 | Convertible(F83), Coupe Base(F82), Coupe CS(F82), Coupe GTS(F82), Coupe(F82)
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BMW M4 Coolant Hose
Part Number: 11538054849
$27.23 MSRP: $38.55
You Save: $11.32 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cooling Pipe
- Replaced by: 11538872735
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M4 | 6 Cyl 3.0 L GAS
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BMW M4 LINE FROM RADIATOR
Part Number: 17128096449
$109.90 MSRP: $147.97
You Save: $38.07 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Lower Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M4 | 6 Cyl 3.0 L GAS
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BMW M4 HOSE, COOLANT RADIATOR - THE
Part Number: 17128096427
$109.90 MSRP: $147.97
You Save: $38.07 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Lower Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M4 | 6 Cyl 3.0 L GAS
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BMW M4 Pipe, Coolant Pump-Turbocharger
Part Number: 11537848506
$110.06 MSRP: $148.18
You Save: $38.12 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coolant Line, Water Feed Tube, Water Pipe
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2020 BMW M4 | Convertible(F83), Coupe Base(F82), Coupe CS(F82), Coupe GTS(F82), Coupe(F82)
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BMW M4 PIPE, RADIATOR-EXPANSION TAN
Part Number: 17128096445
$53.81 MSRP: $71.26
You Save: $17.45 (25%)
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:
- 2021-2025 BMW M4 | 6 Cyl 3.0 L GAS
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BMW M4 VENTING LINE, EQUALIZATION T
Part Number: 17128096450
$66.21 MSRP: $87.68
You Save: $21.47 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Reservoir Hose, Suction Hose
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2025 BMW M4 | 6 Cyl 3.0 L GAS
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BMW M4 Line, Turbocharger-Coolant Pump
Part Number: 11537848507
$171.00 MSRP: $219.94
You Save: $48.94 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coolant Line, Water Pipe, Water Return Tube
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2020 BMW M4 | Convertible(F83), Coupe Base(F82), Coupe CS(F82), Coupe GTS(F82), Coupe(F82)

BMW M4 Coolant Reservoir Hose

The BMW M4 Coolant Reservoir Hose fulfills an important role in controlling engine temperature. It carries excess antifreeze from the expansion tank to the radiator and back again. Whether on the street, track, or anywhere else, it gives M4 drivers the confidence to push the envelope. Composed of heat-resistant rubber, this Coolant Reservoir Hose will not crack or swell after repeated heating and cooling cycles in any M4. Its shape retains a compact enough form factor so that fitting it in the engine bay is simple on every version of the M4, from the F82 coupe to the current G82, and preserves the coolant path BMW intended. The early-model cars were fitted with a straight Coolant Reservoir Hose that was secured by sturdy clamp ends. The later models were fitted with a contoured Coolant Reservoir Hose secured with quick-connect fittings to reduce service time and minimize leaks. Regardless of the generation, the Coolant Reservoir Hose balances pressure, prevents air pockets, and protects against overheating of the twin-turbo powerplant. The Coolant Reservoir Hose is made to precise BMW specs so that the coolant stays contained and any harmful spray won't reach belts, sensors, or paint. The Coolant Reservoir Hose's temperature stability contributes to a more efficient burn for even sharper throttle response. Therefore, the M4 has established itself as a track favorite. The factory markings are consistent with the official schematics, which permits owners to use the M4 on a winding road or in traffic without worrying about their BMW warranty expectations. The Coolant Reservoir Hose is able to stand apart from a crowded parts field by being uncompromising when it comes to material quality. It offers reliable sealing, perfect alignment, and lightweight flexibility that suits the carbon-fiber philosophy of every BMW performance build. Enthusiasts who own the M4 specifically trust BMW quality and are confident that this hose can keep performance at the top.

If you are looking for OEM BMW M4 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 M4 Coolant Reservoir Hose that come backed by the manufacturer's warranty.

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2025 Coolant Reservoir Hose 2024 Coolant Reservoir Hose 2023 Coolant Reservoir Hose 2022 Coolant Reservoir Hose 2021 Coolant Reservoir Hose 2020 Coolant Reservoir Hose 2019 Coolant Reservoir Hose 2018 Coolant Reservoir Hose 2017 Coolant Reservoir Hose 2016 Coolant Reservoir Hose 2015 Coolant Reservoir Hose