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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
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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.
BMW Engine Coolant Hose Kit
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URO - Corporate Logo
T#:46753513
Part#: 11537560530-K
Ships in 1 Business Day
$ 18.99 USD
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This short, curved coolant hose connects to the auxiliary water pump located near the transmission.
Coolant Temperature Sensor
2X Entries Into Our F80 M3 Sweepstakes
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T#:372927
Part#: 62110788115
Ships in 1 Business Day
$ 5.99 USD
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$ 5.99 USD
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This coolant sensor is located in the coolant system, monitor the temperature for both the gauge and ECU.

URO Turbocharger Cooling Return Line - 11538853293
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T#:28537511
Part#: 11538853293
Ships in 1 Business Day
$ 56.99 USD
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This hose assembly directs coolant away from the turbocharger, allowing cooler coolant from the radiator to flow through. Replace any leaking coolant lines promptly to prevent engine and turbocharger damage.

Key Features:

Ensured fitment for your vehicle Precision-formed to match the length and shape of OE turbocharger coolant lines, ensuring proper appearance and function Equipped with the correct end fittings for easy installation and leak-free performance Constructed using high-quality materials to withstand coolant exposure and turbo heat 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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Radiator Rubber Mount
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T#:362916
Part#: 17101439113
Ships in 1 Business Day
$ 4.99 USD
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The mount is used to create a sturdy fit for your radiator and help reduce shock to the unit from uneven roads
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
$ 30.99 USD
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URO Parts delivers a reliable aftermarket solution engineered to match original factory specifications for precise fitment and sustained durability.

Coolant Expansion Tank
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T#:593078
Part#: 17138616418
Ships in 1 Business Day
$ 63.99 USD
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The coolant expansion tank in your vehicle gives additional fluid a place to go after expansion and contraction from temperature change. Because it is subjected to such drastic changes on a regular basis, it can often crack or break.
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Engine Oil Cooler
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T#:37858351
Part#: 11428585624
Ships in 1 Business Day
$ 43.99 USD
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Your vehicle’s oil cooler does exactly what its name implies—it cools engine oil by circulating it through a series of fins filled with flowing coolant. This process helps regulate oil temperature before and after it passes through the oil filter. If the oil cooler fails, it can cause coolant and engine oil to mix, similar to a blown head gasket. Replace your leaking or damaged oil cooler today to prevent further issues. **Seal not included.**
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Water Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373139
Part#: 11531266472
In Stock
$ 1.99 USD
Free Shipping on orders $49 and up
Return pipe to water pump

Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:362012
Part#: 11531287651
Ships in 1 Business Day
$ 11.99 USD
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From water pump to thermostat housing
URO - Corporate Logo
T#:362008
Part#: 17111712835
Ships in 1 Business Day
$ 18.99 USD
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The coolant expansion tank in your vehicle gives additional fluid a place to go after expansion and contraction from temperature change. Because it is subjected to such drastic changes on a regular basis, it can often crack or break
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URO Coolant Bypass Hose - B48
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:54851970
Part#: 17128616914
Ships in 1 Business Day
New Item
$ 44.99 USD
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On the street or at the track, your cooling system is under constant attack from extreme heat, pressure, and vibration. If your factory bypass hose is looking soft or crusty, it's a ticking time bomb. This heavy-duty replacement hose is engineered to restore factory-level reliability with track-ready durability.
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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
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Secures the expansion tank to the radiator
URO Expansion Tank Hose - G11 G30
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:56760944
Part#: 17128602602
Ships in 1 Business Day
New Item
$ 65.99 USD
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This URO Parts Coolant Hose replaces brittle or leaking factory lines connecting the expansion tank to the auxiliary water pump and thermostat on B46/B48 powered G-chassis BMWs. Manufactured with reinforced rubber and robust end connections, it restores proper fluid circulation, withstands high operating pressures, and keeps your cooling system operating reliably under daily and hard driving conditions.
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Radiator Hose - Lower
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:361988
Part#: 11531247261
Ships in 1 Business Day
$ 9.99 USD
Free Shipping on orders $49 and up
Connects the thermostat to the lower radiator.

Upper Radiator Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:592184
Part#: 17127515501
Ships in 1 Business Day
$ 18.99 USD
Free Shipping on orders $49 and up
$ 18.99 USD
Free Shipping on orders $49 and up

Lower Radiator Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373019
Part#: 11531721709
Ships in 1 Business Day
$ 13.99

This product was last offered at the strikethrough price on
09-28-2026

$ 11.99 USD
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$ 11.99 USD
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Radiator to flange for your M42
Water Pump
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:591805
Part#: 11517513062
Ships in 1 Business Day
$ 116.99 USD
Free Shipping
$ 116.99 USD
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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
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Replace your broken, cracked, or leaking coolant flange with this URO coolant flange to restore proper engine cooling
Cooling Hose
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URO - Corporate Logo
T#:373141
Part#: 11531274210
Ships in 1 Business Day
$ 9.99 USD
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$ 9.99 USD
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Located under intake manifold

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
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Replace your hoses and keep your cool

Water Temperature Sensor
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URO - Corporate Logo
T#:5760273
Part#: 13627535068
Ships in 1 Business Day
$ 6.99 USD
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$ 6.99 USD
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URO Coolant Hose - BMW E34 E32
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373028
Part#: 64211390934
Ships in 1 Business Day
$ 6.99 USD
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Connects the accumulator to the water valve
Radiator Hose - Lower
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373023
Part#: 11531726344
Ships in 1 Business Day
$ 8.99 USD
Free Shipping on orders $49 and up
Replace your radiator hose before a blown hose leaves you stranded.


Rubber Lower Radiator Mount Insert - Priced Each
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:593045
Part#: 17117805310
Ships in 1 Business Day
$ 18.99 USD
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Found at the bottom of the radiator
Coolant Expansion Tank
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:36947227
Part#: 17138093924
Ships in 1 Business Day
$ 116.99

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

$ 99.99 USD
Free Shipping on orders $49 and up
$ 99.99 USD
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The coolant expansion tank in your vehicle provides a reservoir for excess fluid as it expands and contracts due to temperature changes. However, frequent exposure to these extreme fluctuations can cause the tank to crack or break over time. To maintain proper coolant levels within the cooling system, any damage to the tank—such as cracks, broken fittings, or damaged mounting points—requires immediate replacement.
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Upper Radiator Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:592206
Part#: 17129802110
Ships in 1 Business Day
$ 74.99 USD
Free Shipping on orders $49 and up
$ 74.99 USD
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URO Engine Coolant Hose - G30, G11
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:54851969
Part#: 17128602870
Ships in 1 Business Day
New Item
$ 61.99 USD
Free Shipping on orders $49 and up
On the track or the street, your cooling system is under constant abuse. A blown coolant hose can mean a cooked cylinder head and a ruined track day. When you're pushing your car to the limit, you need plumbing that can handle the heat.
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Coolant Hose
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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
Radiator Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:16441623
Part#: 17 127593490
Ships in 1 Business Day
$ 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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Heater Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373063
Part#: 64211384763
Ships in 1 Business Day
$ 6.99 USD
Free Shipping on orders $49 and up
Water valve to water pump
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

URO Transmission Cooler Thermostat - E53 M62/N62
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:5958721
Part#: 17107559966
Ships in 1 Business Day
$ 52.99 USD
Free Shipping on orders $49 and up
This thermostat controls the flow of coolant through the transmission cooler, cooling your transmission fluid as transmission fluid circulates as well. If this fails, you may be shortening the life of your transmission through hard use.
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URO Coolant Level Sensor - BMW E24 E30
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:37757292
Part#: 61311361248
Ships in 1 Business Day
$ 12.99 USD
Free Shipping on orders $49 and up

URO Coolant Level Sensor - BMW E24 E30

URO Coolant Level Sensor - BMW E24 E30 is the perfect solution for restoring accurate coolant level monitoring in your BMW. If you are experiencing a false "low coolant" warning or if your vehicle fails to notify you of dangerously low coolant levels, this high-quality replacement sensor will fix those issues. Designed as a direct-fit OE replacement, this sensor installs easily into your coolant reservoir tank with a simple plug-and-play wiring connection. Made from durable polymer and corrosion-resistant metal materials, this sensor is built to withstand the intense heat of your vehicle’s cooling system. Alloy conductors help minimize electrical resistance for accurate operation and long-lasting reliability.

  • Resolves false "low coolant" indicator light warnings
  • Prevents failure to alert the driver of dangerously low coolant levels
  • Direct-fit OE replacement design for easy installation into the coolant reservoir tank
  • Simple plug-and-play wiring connection for quick installation
  • Manufactured from high-quality polymer and corrosion-resistant metal materials to endure high cooling system temperatures
  • Alloy conductors reduce electrical resistance for precise operation
  • Designed and tested for long-lasting reliability
  • 24 Month Unlimited Mileage Warranty for peace of mind
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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
Expansion Tank - Priced Each
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:639209
Part#: 17138610656
Ships in 1 Business Day
$ 117.99 USD
Free Shipping on orders $49 and up
Replace your leaky coolant tank!


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
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
Free Shipping on orders $49 and up
$ 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.

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
Free Shipping on orders $49 and up
$ 15.99 USD
Free Shipping on orders $49 and up
Replace your radiator hose before a blown hose leaves you stranded.

Thermostat
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:637726
Part#: 11538671517
Ships in 1 Business Day
$ 35.99 USD
Free Shipping
$ 35.99 USD
Free Shipping
Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373140
Part#: 11531266474
Ships in 1 Business Day
$ 5.99

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

$ 4.99 USD
Free Shipping on orders $49 and up
$ 4.99 USD
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Water pipes and coolant hoses are essential for proper cooling. If they are cracked, they are going to need to be replaced as soon as possible to avoid overheating your engine. This hose runs from the water pump housing to the intake manifold
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Upper Radiator Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:30463943
Part#: 17127619684
Ships in 1 Business Day
$ 37.99 USD
Free Shipping on orders $49 and up
Radiator Hose - Lower - E38/E39
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:50066847
Part#: 11537505229
Ships in 1 Business Day
$ 41.99 USD
Free Shipping on orders $49 and up
Connects from the lower radiator outlet to the thermostat housing and features an integrated port for the coolant temperature sensor.

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

Coolant Connector Pipe
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T#:5788129
Part#: 11127810707
Ships in 1 Business Day
$ 15.99 USD
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This pipe connects the cylinder head to the coolant hose.
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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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


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.
Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:591743
Part#: 11531257371
Ships in 1 Business Day
$ 7.99 USD
Free Shipping on orders $49 and up
Water Pump to Intake Manifold