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URO BMW Cooling System Parts & Accessories

The cooling system is arguably the weakest point in numerous BMWs. If you drive an aging BMW or plan on taking your car to the track like we do, we recommend beefing up your cooling system before going to the track. Generally, the main components in your cooling system that are prone to failure include the following: expansion tank, factory hoses, water pump, thermostat, fan (especially if your vehicle comes factory with a clutch fan), and radiator. Factory BMW expansion tanks are plastic and prone to either breaking off at connection points or combusting. As factory rubber hoses age they either crack or break over time - we offer silicone cooling hose upgrades for most applications to avoid future failures. If you have an older vehicle, your water pump likely comes from the factory with a plastic impeller - we offer upgraded water pumps with metal impellers that are far more reliable. Newer model BMWs utilize electric water pumps - BMW spent millions of dollars engineering these water pumps, but they fail so often that we recommend replacing at 60,000 mile service intervals to avoid being stranded on the side of the road. In terms of thermostats, we offer various upgraded thermostats for racing applications. If your BMW utilizes a clutch fan from the factory, we have several options available in terms of universal electric fans - we recommend replacing these to avoid sending brittle plastic fan blades through your hood. For radiators, we recommend swapping out your radiator for one that does not use plastic connection points like your factory radiator.

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Radiator Drain Plug (Adjustment Screw) - Priced Each
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:593031
Part#: 17111437359
Ships in 1 Business Day
$ 8.99 USD
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$ 8.99 USD
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This is the drain plug (adjustment screw) for manual transmission equipped cars.
Radiator Hose - Upper
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373013
Part#: 11531287682
Ships in 1 Business Day
$ 8.99

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

$ 7.99 USD
Free Shipping on orders $49 and up
$ 7.99 USD
Free Shipping on orders $49 and up
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.
URO Expansion Tank Mounting Plate - BMW E83 X3
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:639534
Part#: 17113400018
Ships in 1 Business Day
$ 90.99 USD
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$ 90.99 USD
Free Shipping on orders $49 and up
Secures the expansion tank to the radiator

Expansion Tank Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:33913469
Part#: 17127560971
Ships in 1 Business Day
$ 138.99 USD
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$ 138.99 USD
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Connects to the bottom of the expansion tank and is routed to the thermostat

Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:591745
Part#: 11531266471
Ships in 1 Business Day
$ 10.99 USD
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From the water pump to the thermostat
URO Engine Block Coolant Flange - BMW E90 E70 M57
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:637727
Part#: 11127806196
Ships in 1 Business Day
$ 11.99 USD
Free Shipping on orders $49 and up
Replace your broken, cracked, or leaking coolant flange with this URO coolant flange to restore proper engine cooling

Radiator Hose - Radiator To Engine Oil Cooler - F10 N52
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:50031875
Part#: 17127578399
Ships in 1 Business Day
$ 36.99 USD
Free Shipping on orders $49 and up
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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Heater Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373064
Part#: 64211394292
Ships in 1 Business Day
$ 5.99 USD
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$ 5.99 USD
Free Shipping on orders $49 and up
Heater hose, connects to from the heater valve to the right portion of the heater core.

Expansion Tank Mounting Clamp
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:591954
Part#: 17111707777
Ships in 1 Business Day
$ 6.99 USD
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Locks the expansion tank into the mounting plate via the large hole in the bottom of the tank

Radiator Hose - Lower
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373014
Part#: 11531289859
Ships in 1 Business Day
$ 15.99 USD
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$ 15.99 USD
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Replace your radiator hose before a blown hose leaves you stranded.
Lower Radiator Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:591747
Part#: 11531266956
Ships in 1 Business Day
$ 6.99

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

$ 5.99 USD
Free Shipping on orders $49 and up
$ 5.99 USD
Free Shipping on orders $49 and up
Attaches from the radiator to the bottom of the thermostat housing
Radiator Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:16441623
Part#: 17 127593490
Back Ordered
$ 46.99 USD
Free Shipping on orders $49 and up
Over the years and with exposure to extremely hot coolant, the coolant hoses in your vehicle can take a beating. Being made of reinforced rubber, these hoses can fail in a number of ways. Splitting at a hose clamp, swelling, cracking, and breaking are just a few of the ways this hose can leave you stranded.
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URO Engine Coolant Recovery Tank Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:37858364
Part#: 17127639029
Ships in 1 Business Day
$ 142.99 USD
Free Shipping on orders $49 and up
Genuine BMW REFRIGERANT PIPE Fits BMW Engines including: Over time, exposure to extremely hot coolant can degrade the hoses in your vehicle. Made of reinforced rubber, these hoses can fail in several ways, including splitting at hose clamps, swelling, cracking, or breaking—any of which could leave you stranded. Replace worn hoses at the first sign of damage to keep your coolant where it belongs—inside your engine. During a radiator hose replacement, some fluid loss is unavoidable. Be sure to browse our website for the correct replacement and have it delivered straight to your door. N20
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Water Pump O-Ring
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:555320
Part#: 11537830709
In Stock
$ 2.99 USD
Free Shipping on orders $49 and up
When it comes time to replace the water pump, be sure to replace all the O-Rings associated with it to ensure that your car stays leak free. If you are experiencing leaking issues, be sure to inspect these rings, as they might have worn down. This is used on the return pipe to the thermostat housing
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URO Radiator Coolant Hose - Lower - BMW E39 582i
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:6967
Part#: 11531740481
Ships in 1 Business Day
$ 12.99 USD
Free Shipping on orders $49 and up
$ 12.99 USD
Free Shipping on orders $49 and up
Replace your leaking coolant hose with this URO coolant hose to prevent further coolant loss and overheating

Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373095
Part#: 11531730351
Ships in 1 Business Day
$ 12.99 USD
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Attaches the expansion tank to the heater return hose

URO Radiator Coolant Hose - Upper - BMW M52
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:6968
Part#: 11531740832
Ships in 1 Business Day
$ 8.99

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

$ 7.99 USD
Free Shipping on orders $49 and up
$ 7.99 USD
Free Shipping on orders $49 and up
Replace your leaking coolant hose with this URO coolant hose to prevent further coolant loss and overheating
Expansion Tank Vent Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373096
Part#: 17111737819
Ships in 1 Business Day
$ 9.99 USD
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Attaches between expansion tank and top of radiator

URO Engine Coolant Hose - BMW E70 X5
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:52586666
Part#: 17127536236
Ships in 1 Business Day
New Item
$ 29.99 USD
Free Shipping on orders $49 and up
The ÜRO Parts 20796 Crankcase Vent Valve is a critical component for maintaining engine efficiency and emissions compliance.
Lower Radiator Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:591742
Part#: 11531250702
Ships in 1 Business Day
$ 12.99 USD
Free Shipping on orders $49 and up
Replace your hoses and keep your cool

Upper Radiator Expansion Tank Vent Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:56977974
Part#: 17127618510
Ships in 1 Business Day
New Item
$ 27.99 USD
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URO Parts delivers a reliable aftermarket solution engineered to match original factory specifications for precise fitment and sustained durability.

Engine Oil Cooler
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:56977973
Part#: 11428510856
Ships in 1 Business Day
New Item
$ 83.99 USD
Free Shipping on orders $49 and up
Maintain stable oil temperatures and safeguard your BMW's powertrain with this replacement oil cooler from URO Parts.
URO - Corporate Logo
T#:43750238
Part#: 17127521775
In Stock
$ 29.99

This product was last offered at the strikethrough price on
09-08-2026

$ 25.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 29.99

This product was last offered at the strikethrough price on
09-08-2026

$ 25.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Replace your cracked and leaking hose with this replacement to keep your BMW running at its best.
Rubber Mount
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:362393
Part#: 17111737704
Ships on Oct 26, 2026
$ 7.99 USD
Free Shipping on orders $49 and up
Rubber lower mount for your radiator


Auxiliary Fan Switch
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:376847
Part#: 13621433077
Back Ordered
$ 10.99 USD
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$ 10.99 USD
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Comes with related o-ring
URO - Corporate Logo
T#:592644
Part#: 64118391392
Back Ordered
$ 7.99 USD
Free Shipping on orders $49 and up
URO Parts is one of the leading manufacturers of high quality direct replacement aftermarket components, covering a wide range of makes and models. All of their replacement parts are manufactured to ISO 9000 certification standards, so you can expect long lasting performance from URO Parts.
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URO Expansion Tank Cap - BMW E30
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:592118
Part#: 17111468077
In Stock
$ 6.99 USD
Free Shipping on orders $49 and up

URO Expansion Tank Cap - BMW E30

The URO Expansion Tank Cap - BMW E30 is a crucial component for maintaining optimal cooling system performance by ensuring proper pressure regulation. Over time, older radiator caps lose their ability to hold pressure, leading to a lower boiling point and potential overheating issues. This high-quality replacement cap is designed to restore factory pressure levels, preventing coolant loss and maintaining engine efficiency. Crafted from durable materials, it resists wear and temperature fluctuations, ensuring long-lasting reliability.

  • Direct replacement for BMW E30 models
  • Maintains correct cooling system pressure to prevent overheating
  • Helps sustain optimal engine temperature and performance
  • High-quality construction for durability and reliability
  • Prevents coolant evaporation and system inefficiencies
  • Easy installation with OE-style fitment
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URO Coolant Pipe O-Ring - BMW N52 3.0L
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:37892133
Part#: 11517514942
In Stock
$ 2.09 USD
Free Shipping on orders $49 and up

URO Coolant Pipe O-Ring - BMW N52 3.0L

Engineered to meet OE coolant pipe o-ring dimensions, the URO Coolant Pipe O-Ring ensures easy installation and a perfect fit for BMW N52 3.0L engines. It is designed to resist cooling system heat and antifreeze, providing reliable performance under demanding conditions. Constructed from durable ECD (Electro Chemical Degradation)-resistant EPDM material, it helps prevent electrolysis, extending the lifespan of your cooling system. With a temperature rating of -40º F to 275º F (-40º C to 135º C), this o-ring is built to withstand extreme temperatures. Supported by a 24-month unlimited mileage warranty, it is a dependable solution for maintaining your BMW’s cooling system efficiency.

Key Benefits:

  • Precision-molded to OE dimensions for easy installation and perfect fit.
  • Resists cooling system heat and antifreeze for reliable performance.
  • Durable ECD-resistant EPDM material prevents electrolysis.
  • Temperature rating of -40º F to 275º F for extreme condition durability.
  • Includes a 24-month unlimited mileage warranty for peace of mind.
  • Specifically designed for BMW N52 3.0L engines.
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Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373146
Part#: 13541735174
Ships in 1 Business Day
$ 8.99 USD
Free Shipping on orders $49 and up
Thermostat to throttle body
URO Parts Expansion Tank - 17138677649
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:29002185
Part#: 17138677649
In Stock
$ 87.99 USD
Free Shipping on orders $49 and up

Expansion tanks are susceptible to damage due to constant exposure to high ambient temperatures and chemical degradation. If your expansion tank is cracked, replacing it is crucial to prevent catastrophic engine damage from overheating.

Features:

Guaranteed fitment Precision-molded to OE dimensions for compatibility with original sensors and connections Quality materials resist engine heat and harsh cooling system environments Factory pressure-tested 24-Month Unlimited Mileage Warranty URO Parts offers more than 8,000 high-quality spare parts, many of which are specifically designed to replace factory BMW components. Their business was founded on the premise of producing parts that adhere to the highest standards of precision, materials, and workmanship. Each part is closely evaluated by a team of industry professionals to determine how to offer the best blend of durability, function, and price. If you're looking for quality replacement components at a reasonable price, look no further than URO Parts.

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URO Coolant Hose - BMW E70 E71 N54 N55
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:37892109
Part#: 11537584543
Back Ordered
$ 20.99 USD
Free Shipping on orders $49 and up

URO Coolant Hose - BMW E70 E71 N54 N55

URO Coolant Hose - BMW E70 E71 N54 N55 is designed for precise fitment and reliability, featuring OE dimensions and shape to ensure easy installation. Engineered with advanced materials, this hose resists high engine temperatures and the damaging effects of ozone exposure.

  • Precision-molded to OE dimensions for hassle-free installation and perfect fit
  • Made from ECD (Electro Chemical Degradation)-resistant EPDM material to prevent breakdown from electrolysis
  • Engine heat and ozone-resistant for long-lasting durability and protection
  • Temperature rating: -40º F to 275º F (-40º C to 135º C) for reliable performance in extreme conditions
  • Designed to restore coolant flow efficiency and help avoid overheating

The URO Coolant Hose for BMW E70 E71 N54 N55 ensures a durable solution to maintain proper coolant circulation and prevent hose degradation, keeping your engine running at optimal temperatures.

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Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373145
Part#: 13541735173
Ships in 1 Business Day
$ 13.99 USD
Free Shipping on orders $49 and up
Cylinder head to thermostat

Water Pipe
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:3370665
Part#: 11537589713
Back Ordered
$ 19.99 USD
Free Shipping on orders $49 and up

Spirolox Clip
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:55821687
Part#: 111414399753
Ships in 1 Business Day
New Item
$ 9.99 USD
Free Shipping on orders $49 and up
The ÜRO Parts Spirolox Clip provides the heavy-duty reliability your European vehicle demands, eliminating the structural weak links caused by fatigued or distorted factory hardware.
URO Lower Radiator Hose - E30 325e 325i 1988-1991
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373016
Part#: 11531718980
Back Ordered
$ 8.03 USD
Free Shipping on orders $49 and up
Over the years and with exposure to extremely hot coolant, the coolant hoses in your vehicle can take a beating. Being made of reinforced rubber, these hoses can fail in a number of ways. 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.
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Radiator Drain Plug With Housing
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:593032
Part#: 17111437360
In Stock
$ 10.99 USD
Free Shipping on orders $49 and up
$ 10.99 USD
Free Shipping on orders $49 and up
This is the drain plug (adjustment screw) for automatic transmission equipped cars.


Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:30828069
Part#: 17127619702
Back Ordered
$ 50.99 USD
Free Shipping on orders $49 and up
Your cooling system is crucial for maintaining your engine's health over the long haul. Upgrade to Uro's metal flange to replace damaged or worn coolant hoses and ensure lasting performance.
URO Upper Radiator Coolant Hose - E70
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:45278653
Part#: 17127593490
Back Ordered
$ 40.99 USD
Free Shipping on orders $49 and up
Perfect for BMW owners who demand reliability and value, the URO Coolant Hose - Return Line E70 X5 ensures your cooling system operates smoothly, keeping your engine protected under all driving conditions.
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URO Coolant Hose - Return Line - E60, E61
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:45278652
Part#: 17127521778
Back Ordered
$ 29.99 USD
Free Shipping on orders $49 and up
Lower; Radiator to Thermostat Housing

Engine Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:16441622
Part#: 17 127536232
Back Ordered
$ 79.99 USD
Free Shipping on orders $49 and up
This hose goes from the radiator to the oil cooler. After years of use and exposure to heat, the hoses in your car can dry up and crack, resulting in nasty leaks - or worse. Replace your rotted, leaking hoses before they lead to larger problems.
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Expansion Tank Cap
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:362007
Part#: 17114379047
Ships in 1 Business Day
$ 7.99 USD
Free Shipping on orders $49 and up
$ 7.99 USD
Free Shipping on orders $49 and up
1.2 Bar pressure
Radiator Hose - Upper
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373024
Part#: 11531741405
Ships in 1 Business Day
$ 8.99 USD
Free Shipping on orders $49 and up
$ 8.99 USD
Free Shipping on orders $49 and up
Hose from radiator to water pump

URO Expansion Tank Hose - E53
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:45278651
Part#: 11537500735
Back Ordered
$ 23.99 USD
Free Shipping on orders $49 and up
A reliable, affordable solution for maintaining cooling system integrity and long-term engine health.
E70 X5 Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:37858390
Part#: 17127536232
Back Ordered
$ 52.99 USD
Free Shipping on orders $49 and up
Designed to withstand extreme heat, pressure, and chemical exposure, this reinforced coolant hose helps prevent leaks, overheating, and system inefficiencies.