BMW Coolant & Radiator Hoses

Radiator Hose - Upper

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T#:373018

Part#: 11531720722

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$ 7.99 USD

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Hose from radiator to water pump

Radiator Hose - Radiator To Engine Oil Cooler - F10 N52

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T#:50031875

Part#: 17127578399

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$ 36.99 USD

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Cooling system reliability depends on the details, and this is a hose you can’t afford to ignore. The Radiator to Engine Oil Cooler Hose plays a key role in circulating coolant between the radiator and oil cooler, helping manage engine oil temperatures when the engine is under load. Over time, factory rubber hoses are subjected to constant heat cycles, system pressure, and chemical exposure that cause internal deterioration. As the material breaks down, the hose can soften, swell, crack, or fail without warning—often leading to overheating and elevated oil temperatures. Replacing a worn hose restores proper coolant flow and helps prevent unexpected failures. Manufactured to meet or exceed OE standards, this hose is formed with the correct bends, diameter, and connections for an exact factory-style fit. Installation is straightforward, utilizing original mounting points for a true plug-and-play replacement with no modification required. Why it matters: Ensures consistent coolant flow to the engine oil cooler Supports stable oil temperatures during spirited or high-load driving Eliminates aging, failure-prone factory rubber Direct-fit design for fast, hassle-free installation Smart preventative maintenance for high-mileage or performance-oriented vehicles

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OEM Rein Coolant Hose - E60 525/530 M54

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T#:379784

Part#: 17127519259

Ships in 4 Business Days

Sale - Save 5% $ 65.99

This product was last offered at the strikethrough price on
08-31-2026

$ 62.69 USD

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Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

Vaico Coolant Hose - Trans Cooler to Radiator - BMW E70 X5 N52 N62 ...

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T#:595408

Part#: 17127537101

Ships in 3 Business Days

$ 135.99

This product was last offered at the strikethrough price on
08-13-2026

$ 55.99 USD

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Returns coolant from the transmission heat exchanger to the radiator

Coolant Hose from Expansion Tank - E36

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T#:6964

Part#: 11531730351

Ships in 2 Business Days

Sale - Save 5% $ 18.79

This product was last offered at the strikethrough price on
08-31-2026

$ 17.85 USD

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This coolant hose connects the water hose part #11531738053 to the radiator coolant expansion tank.Fits E36 3 series with M50, S50 or S52 engine.

This item fits the following BMWs:
1992-1998 E36 BMW 325i 325is 325ic M3

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Coolant Hose

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T#:592158

Part#: 17122754219

Ships in 4 Business Days

Sale - Save 5% $ 14.99

This product was last offered at the strikethrough price on
08-31-2026

$ 14.24 USD

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$ 14.99

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OEM Rein Coolant Hose - E32 E34

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T#:6970

Part#: 11531741405

Ships in 4 Business Days

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08-31-2026

$ 14.24 USD

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Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

This item fits the following BMWs:
BMW 5 Series - 530i, 530i wagon /540i
BMW 7 Series - 740i, 740iL

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Upper Radiator Hose - Short Section

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T#:591437

Part#: 17129800478

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$ 43.99 USD

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Rein O-RING 14.4X3.0 - E38, E39

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T#:379805

Part#: 11537501777

Ships in 4 Business Days

Sale - Save 17% $ 6.99

This product was last offered at the strikethrough price on
08-31-2026

$ 5.80 USD

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$ 6.99

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$ 5.80 USD

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Vaico Intercooler Coolant Hose - Auxiliary Water Pump to Expansion Ta...

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T#:595431

Part#: 17127591512

Ships in 2 Business Days

$ 185.99

This product was last offered at the strikethrough price on
05-08-2026

$ 179.99 USD

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Replacement coolant hose that connects the expansion tank to the auxiliary water pump. Replace your old hose to prevent coolant loss and overheating.

Coolant Hose

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T#:591745

Part#: 11531266471

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$ 10.99 USD

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From the water pump to the thermostat

OEM Rein Lower Radiator Hose - M42 E30 318i/is

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T#:6952

Part#: 11531717620

In Stock at Vendor

Sale - Save 5% $ 16.99

This product was last offered at the strikethrough price on
08-31-2026

$ 16.14 USD

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$ 16.99

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure. This hose replaces the lower radiator hose that connects from the radiator outlet to the thermostat housing.

OEM Rein radiator hoses are always a perfect option when performing maintenance thanks to their high quality and longevity.

This item fits the following BMWs:
E30 BMW 318i, 318i Convertible, 318is

Fits BMW Engines including:
M42

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OEM Rein Upper Radiator Hose - M42 E30 318i/is

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T#:6953

Part#: 11531717622

In Stock at Vendor

Sale - Save 5% $ 11.99

This product was last offered at the strikethrough price on
08-31-2026

$ 11.39 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure. This hose replaces the upper radiator hose that connects from the thermostat housing to the radiator inlet.

OEM Rein radiator hoses are always a perfect option when performing maintenance thanks to their high quality and longevity.

This item fits the following BMWs:
E30 BMW 318i, 318i Convertible, 318is

Fits BMW Engines including:
M42

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OEM Rein Lower Radiator Hose - E36, Z3 M44 1.9L

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T#:6873

Part#: 11531247261

In Stock

Sale - Save 5% $ 10.99

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08-31-2026

$ 10.44 USD

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Connects the thermostat to the lower radiator. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

This item fits the following BMWs:
BMW 3 Series - 318i, 318i Convertible, 318is, 318ti
BMW Z Series - Z3 1.9

Fits BMW Engines including:
M44

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OEM Rein Coolant Hose - E34 525i M20

2X Entries Into Our F80 M3 Sweepstakes

T#:6955

Part#: 11531720678

Ships in 2 Business Days

Sale - Save 5% $ 11.99

This product was last offered at the strikethrough price on
08-31-2026

$ 11.39 USD

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$ 11.99

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$ 11.39 USD

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Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

This item fits the following BMWs:
BMW 5 Series - 525i, 525i Wagon

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Radiator Hose - Upper

2X Entries Into Our F80 M3 Sweepstakes

T#:373013

Part#: 11531287682

Ships in 2 Business Days

$ 8.99

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08-31-2026

$ 7.99 USD

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Splitting at a hose clamp, swelling, cracking, and breaking are just a few of the ways this hose can leave you stranded. Replace it at the first sign of wear to keep your coolant in your engine.

Coolant Vent Pipe

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T#:594319

Part#: 17127555290

Ships in 4 Business Days

Sale - Save 5% $ 27.99

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08-31-2026

$ 26.59 USD

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Prevents over-pressurization

Rein Coolant Hose - E70

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T#:591811

Part#: 11537547244

Ships in 4 Business Days

Sale - Save 5% $ 40.99

This product was last offered at the strikethrough price on
08-31-2026

$ 38.94 USD

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$ 40.99

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Coolant hose that runs from the inlet to thermostat

URO Radiator Coolant Hose - Upper - BMW M52

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T#:6968

Part#: 11531740832

Ships in 2 Business Days

$ 8.99

This product was last offered at the strikethrough price on
08-31-2026

$ 7.99 USD

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$ 7.99 USD

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Replace your leaking coolant hose with this URO coolant hose to prevent further coolant loss and overheating

URO Engine Block Coolant Flange - BMW E90 E70 M57

2X Entries Into Our F80 M3 Sweepstakes

T#:637727

Part#: 11127806196

Ships in 2 Business Days

$ 11.99 USD

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$ 11.99 USD

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Replace your broken, cracked, or leaking coolant flange with this URO coolant flange to restore proper engine cooling

Rein Water Hose with Metal Flange - E60, E61 - N54

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T#:53750141

Part#: CHU0460

Ships in 4 Business Days

Sale - Save 5% $ 52.99

This product was last offered at the strikethrough price on
08-31-2026

$ 50.32 USD

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$ 52.99

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$ 50.32 USD

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Heat cycles cause Cracking and Leaks on Rubber and Plastic Components. Replace Leaking Hose with this Part From Rein Featuring Upgraded Metal Flanges

OEM BMW Engine Return Hose 11531744054

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T#:6975

Part#: 11531744054

In Stock at Vendor

Sale - Save 5% $ 19.99

This product was last offered at the strikethrough price on
08-31-2026

$ 18.99 USD

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$ 19.99

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$ 18.99 USD

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OEM BMW ENGINE RETURN HOSE 11531744054.--

This item fits the following BMWs:
BMW 5 Series - 528i, 528i Wagon

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Rein Coolant Return line - E38

2X Entries Into Our F80 M3 Sweepstakes

T#:591958

Part#: 17111737708

Ships in 4 Business Days

Sale - Save 6% $ 9.17

This product was last offered at the strikethrough price on
05-05-2026

$ 8.61 USD

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$ 9.17

This product was last offered at the strikethrough price on
05-05-2026

$ 8.61 USD

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From expansion tank to radiator

OEM Rein Coolant Supply Hose - E38 740i/il

2X Entries Into Our F80 M3 Sweepstakes

T#:379736

Part#: 64218371386

Ships in 2 Business Days

Sale - Save 5% $ 10.99

This product was last offered at the strikethrough price on
08-31-2026

$ 10.44 USD

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Runs from the water valve to the Right heater core inlet. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

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OEM Rein Coolant Supply Hose - BMW E60 525i 530i M54

2X Entries Into Our F80 M3 Sweepstakes

T#:340691

Part#: 17127519255

In Stock at Vendor

Sale - Save 5% $ 66.28

This product was last offered at the strikethrough price on
08-31-2026

$ 62.97 USD

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$ 66.28

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Attaches between upper radiator connection radiator and the thermostat housing

Vaico Lower Radiator Hose - BMW Z4 2.5 3.0 M54

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T#:363540

Part#: 17127514405

Ships in 2 Business Days

$ 96.99

This product was last offered at the strikethrough price on
05-07-2026

$ 93.99 USD

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$ 93.99 USD

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Replace your leaking coolant hose and prevent engine overheating with this replacement Vaico coolant hose.

Genuine BMW Expansion Tank Hose - E53 M62 4.4L 4.6L

T#:22323

Part#: 11537505950

Ships in 2 Business Days

26% off MSRP $ 64.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 48.00 USD

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26% off MSRP

$ 64.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 48.00 USD

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Genuine BMW Water Hose -
This item fits the following BMW Chassis:
E53 X5

Fits BMW Engines including:
M62

OEM Rein Lower Radiator Hose - E34 525i

2X Entries Into Our F80 M3 Sweepstakes

T#:6962

Part#: 11531722852

Ships in 2 Business Days

Sale - Save 5% $ 12.99

This product was last offered at the strikethrough price on
08-31-2026

$ 12.34 USD

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$ 12.99

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$ 12.34 USD

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Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

Heater Hose

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T#:373064

Part#: 64211394292

Back Ordered

$ 5.99 USD

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$ 5.99 USD

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Heater hose, connects to from the heater valve to the right portion of the heater core.

OEM Rein Oil Cooler Coolant Hose - E70 X5 xDrive30i

2X Entries Into Our F80 M3 Sweepstakes

T#:583589

Part#: 11537609944

Ships in 4 Business Days

Sale - Save 5% $ 33.99

This product was last offered at the strikethrough price on
08-31-2026

$ 32.29 USD

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$ 33.99

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$ 32.29 USD

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Coolant hose that runs from the inlet to thermostat. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

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Rein Radiator Expansion Tank Hose - G30 B48 B58

2X Entries Into Our F80 M3 Sweepstakes

T#:55821725

Part#: 17125A09423

In Stock at Vendor

Sale - Save 5% $ 18.99

This product was last offered at the strikethrough price on
08-31-2026

$ 18.04 USD

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$ 18.99

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$ 18.04 USD

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While the modern B48 and B58 powerplants are incredibly robust, BMW’s choice of brittle plastics for their cooling loops remains a major weak link. This upper radiator vent hose runs constantly hot as it returns pressurized coolant back to the expansion tank. After years of being baked by engine bay heat, the thin plastic neck and internal quick-disconnect seals degrade. A hardened factory plastic line can snap at any moment, spraying coolant everywhere.

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Lower Radiator Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:591747

Part#: 11531266956

Ships in 2 Business Days

$ 6.99

This product was last offered at the strikethrough price on
08-31-2026

$ 5.99 USD

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Attaches from the radiator to the bottom of the thermostat housing

Coolant Connector Pipe

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T#:5788129

Part#: 11127810707

Ships in 2 Business Days

$ 15.99 USD

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$ 15.99 USD

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This pipe connects the cylinder head to the coolant hose.

Febi Coolant Hose - E36

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T#:382719

Part#: 64211394295

In Stock

$ 11.67

This product was last offered at the strikethrough price on
07-10-2026

$ 10.99 USD

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$ 10.99 USD

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Connects the heater to the engine block

Expansion Tank Vent Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:373096

Part#: 17111737819

Ships in 2 Business Days

$ 9.99 USD

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$ 9.99 USD

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Attaches between expansion tank and top of radiator

OEM Rein Thermostat Coolant Hose - E30 M20

2X Entries Into Our F80 M3 Sweepstakes

T#:583586

Part#: 13541289976

Ships in 2 Business Days

Sale - Save 5% $ 8.81

This product was last offered at the strikethrough price on
08-31-2026

$ 8.37 USD

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$ 8.81

This product was last offered at the strikethrough price on
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$ 8.37 USD

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Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

Water Hose - Expansion Tank to Radiator (Vent Hose) F10 528i ...

2X Entries Into Our F80 M3 Sweepstakes

T#:34080754

Part#: 17127578405

Ships in 4 Business Days

Sale - Save 5% $ 47.99

This product was last offered at the strikethrough price on
08-31-2026

$ 45.59 USD

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$ 47.99

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Water Hose - Expansion Tank to Radiator (Vent Hose) is an essential component for maintaining the proper function of your BMW’s cooling system. This high-quality hose ensures efficient coolant flow between the expansion tank and radiator, preventing overheating and reducing the risk of coolant leaks. Designed to meet or exceed OEM specifications, the Water Hose - Expansion Tank to Radiator (Vent Hose) provides a perfect fit for reliable, long-lasting performance. Available through Turner Motorsport, this hose is a direct-fit replacement that ensures seamless installation and superior engine cooling.

Specifically engineered for BMW models to guarantee a perfect fit
Ensures proper coolant flow between the expansion tank and radiator
Prevents overheating and reduces the risk of coolant leaks
Made from durable, heat-resistant materials for long-lasting performance
Direct-fit replacement for easy installation without modifications
Meets or exceeds OEM specifications for reliable performance

Upgrade your BMW’s cooling system with the Water Hose - Expansion Tank to Radiator (Vent Hose), ensuring optimal engine performance and protection against overheating.

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Rein - Radiator Hose - X3 sDrive30i, X4 xDrive30i

2X Entries Into Our F80 M3 Sweepstakes

T#:33946933

Part#: 17129894739

Ships in 4 Business Days

Sale - Save 5% $ 54.99

This product was last offered at the strikethrough price on
08-31-2026

$ 52.24 USD

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$ 54.99

This product was last offered at the strikethrough price on
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$ 52.24 USD

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Rein Radiator Hose

The Rein - Radiator Hose is a premium solution for maintaining your vehicle's cooling system. Manufactured with high-quality materials, it offers superior resistance to heat, pressure, and wear, ensuring optimal performance for an extended period. Designed specifically for European vehicles, this radiator hose guarantees a perfect fit and seamless installation, making it ideal for both professional mechanics and DIY enthusiasts. Rein's durable and flexible construction helps prevent leaks, keeps engine temperatures stable, and extends engine life.

Superior Heat and Pressure Resistance: Built to endure extreme engine conditions, minimizing the risk of overheating.
OEM Fitment: Designed to meet or exceed the original specifications for European vehicles, ensuring a precise fit.
Long-lasting Durability: Made from premium rubber, reinforced for longevity and optimal performance.
Leak Prevention: Provides a tight, leak-proof connection, ensuring no coolant loss.
Easy Installation: Perfect for quick replacement, compatible with a variety of makes and models.

Get the Rein Radiator Hose from Turner Motorsport, where quality parts meet precision engineering.

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Coolant hose

2X Entries Into Our F80 M3 Sweepstakes

T#:593459

Part#: 64218390355

Ships in 4 Business Days

Sale - Save 5% $ 13.99

This product was last offered at the strikethrough price on
08-31-2026

$ 13.29 USD

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$ 13.99

This product was last offered at the strikethrough price on
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$ 13.29 USD

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Rein - Throttle Body Hose - E36 318i, Z3 1.9

2X Entries Into Our F80 M3 Sweepstakes

T#:33980410

Part#: 11531247398

Ships in 2 Business Days

Sale - Save 5% $ 6.83

This product was last offered at the strikethrough price on
08-31-2026

$ 6.49 USD

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$ 6.83

This product was last offered at the strikethrough price on
08-31-2026

$ 6.49 USD

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Throttle Body Hose by Rein is a key component designed to optimize airflow to your BMW’s engine, ensuring enhanced throttle response and overall engine performance. This hose connects the air intake system to the throttle body, delivering a precise flow of air that improves fuel efficiency and engine power. Manufactured from high-quality, heat-resistant materials, the Throttle Body Hose by Rein is built to withstand extreme temperatures and pressures, making it a durable and long-lasting solution for your BMW. Available at Turner Motorsport, this hose is a direct fit replacement, ensuring easy installation and perfect compatibility with OEM standards.

Optimizes airflow to the throttle body, improving engine performance and efficiency
Enhances throttle response, contributing to smoother acceleration
Constructed from durable, heat-resistant materials, ensuring long-lasting performance
Direct fit replacement, allowing for easy installation and OEM compatibility
Boosts overall engine efficiency, improving fuel economy and engine power

Turner Motorsport offers the Throttle Body Hose by Rein as a reliable solution to maintain your BMW’s air intake system, ensuring smooth and efficient engine operation.

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Vargas Lower Radiator Hose - Black - BMW B58 Gen 1

2X Entries Into Our F80 M3 Sweepstakes

T#:51848508

Part#: VTT-B58-LRHBLK

Ships on Sep 22, 2026

Sale - Save 15% $ 222.99

This product was last offered at the strikethrough price on
09-03-2026

$ 189.12 USD

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$ 222.99

This product was last offered at the strikethrough price on
09-03-2026

$ 189.12 USD

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The VTT Billet/Silicone Lower Radiator Hose is a professional-grade replacement for the factory B58 Gen 1 lower radiator line.

Expansion Tank Hose

T#:641613

Part#: 11531438632

Ships in 9 Business Days

$ 16.99 USD

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$ 16.99 USD

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This Burgaflex expansion tank hose offers an ideal solution for enthusiasts looking to perform preventative maintenance or replace a worn component.

Coolant Hose

T#:2721006

Part#: 11537510120

Ships in 9 Business Days

$ 14.99 USD

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$ 14.99 USD

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The Burgaflex coolant hose is engineered for ultimate system integrity, offering a dependable replacement for aging, leak-prone stock hoses.

Vargas Upgraded Silicone Coolant Hose Kit - Black - BMW N54

2X Entries Into Our F80 M3 Sweepstakes

T#:52129740

Part#: N54COOLFBO

Ships on Sep 22, 2026

Sale - Save 15% $ 354.99

This product was last offered at the strikethrough price on
09-03-2026

$ 301.74 USD

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$ 354.99

This product was last offered at the strikethrough price on
09-03-2026

$ 301.74 USD

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The VTT N54 Full Coolant Hose Kit replaces your entire aging coolant hose network with high-performance silicone alternatives.

Vargas Water Pump Vent Hose - Black - BMW E9X M3

2X Entries Into Our F80 M3 Sweepstakes

T#:52164956

Part#: S65COPUBLK

Ships on Sep 22, 2026

Sale - Save 15% $ 104.99

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09-03-2026

$ 89.24 USD

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$ 104.99

This product was last offered at the strikethrough price on
09-03-2026

$ 89.24 USD

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Prevent a roadside breakdown with the VTT Billet/Silicone S65 Water Pump Vent Hose, the ultimate maintenance upgrade for your BMW E9X M3.

Vargas Expansion Tank Coolant Hose - Blue - BMW B58 F2X F3X

2X Entries Into Our F80 M3 Sweepstakes

T#:51848504

Part#: VTT-B58-CEBLUE

Ships on Sep 22, 2026

Sale - Save 15% $ 59.99

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09-03-2026

$ 50.99 USD

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$ 59.99

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$ 50.99 USD

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Elevate your BMW's engine bay while safeguarding your cooling system with the VTT B58 Expansion Tank Hose in Blue.

Thermostat Hose

T#:2587316

Part#: 11537544638

Ships in 9 Business Days

$ 16.99 USD

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$ 16.99 USD

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When performance and track-proven durability matter, Burgaflex cooling components deliver the uncompromising quality your engine demands.

Vargas Lower Radiator Hose - Black - BMW E9X M3

2X Entries Into Our F80 M3 Sweepstakes

T#:52164955

Part#: S65COLLOWBLK

Ships on Sep 22, 2026

Sale - Save 15% $ 179.99

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09-03-2026

$ 152.99 USD

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$ 179.99

This product was last offered at the strikethrough price on
09-03-2026

$ 152.99 USD

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Designed for the S65 V8 engine, the VTT Lower Radiator Hose upgrade addresses the common maintenance headaches associated with aging BMW cooling systems.