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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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URO Coolant Outlet Flange - BMW F2X 1

T#:50031880

Part#: 11118619408

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$ 55.99 USD

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$ 55.99 USD

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Replaces the plastic OE flange with durable aircraft-quality aluminum.

Water Connector - Expansion Tank To Trans Oil Cooler - E83 Z4 ...

T#:50031879

Part#: 17112248409

Ships in 1 Business Day

$ 40.99 USD

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$ 40.99 USD

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Plastic cooling system components degrade and become brittle with age and heat exposure. This particular part is especially prone to damage during expansion tank removal. Always inspect it whenever the expansion tank is removed and replace it if any cracking or wear is found.

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URO Lower Radiator Hose - E83 - N52

T#:55821698

Part#: 17123424499

Ships in 1 Business Day

$ 33.99 USD

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$ 33.99 USD

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This URO molded lower hose is engineered from advanced Electro-Chemical Degradation (ECD) resistant material, preventing interior breakdown and future leaks

URO Thermostat Assembly - BMW E53 E6X E70 F10 F12 F13 F8X

T#:50031902

Part#: 11537586885

In Stock

$ 77.88

This product was last offered at the strikethrough price on
03-08-2026

$ 74.99 USD

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$ 74.99 USD

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Provides optimal engine cooling performance.

Expansion Tank Hose

T#:50066848

Part#: 17121712736

In Stock

$ 12.79 USD

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$ 12.79 USD

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Coolant overflow hose designed to route excess coolant to and from the expansion tank, helping regulate system pressure and maintain proper coolant levels. Manufactured for correct fit and flow, it ensures reliable expansion tank operation and leak-free performance.

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Turbocharger Coolant Line - F06/F10/F12/F13

T#:50031872

Part#: 11538092641

Ships in 1 Business Day

$ 56.99 USD

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$ 56.99 USD

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Turbocharger oil feed lines are often overlooked, but they play a critical role in turbo longevity. Replacing a worn or original feed line is an inexpensive safeguard against premature turbo failure. The oil feed line delivers a constant supply of clean, pressurized oil to the turbocharger bearings. Over time, exposure to extreme exhaust heat and repeated thermal cycling can cause oil to break down inside the line, leading to carbon buildup and restricted flow. Reduced oil supply quickly results in elevated bearing temperatures and accelerated wear. Installing a new turbo oil feed line restores proper oil delivery, helping maintain stable bearing temperatures and reliable lubrication. Many updated or upgraded feed lines feature improved materials, refined routing, or additional heat shielding to better withstand the high-temperature environment surrounding the turbocharger. Benefits of replacement: Helps prevent oil starvation caused by internal restriction Protects turbocharger bearings from heat-related wear Extends overall turbocharger service life Recommended preventative maintenance during turbo replacement or high-mileage service Especially important for increased boost or upgraded turbo applications In short, replacing the turbo oil feed line is a smart preventative maintenance step that supports long-term reliability and consistent performance.

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BMW Coolant Pipe - BMW F22/23 F3X

For vehicles with automatic transmissions only.

T#:50031885

Part#: 11537639997

Ships in 1 Business Day

$ 49.99 USD

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$ 49.99 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. Wear is easy to see on these rubber hoses. Bulges, cracking, splitting at connections, and the loss of flexibility are usually big indicators that they are reaching the ends of their lives. Replace them whenever this wear is identified. Genuine BMW Feed Line - This item fits the following BMW Chassis: E89 Z4,F10,F22,F30,F31,F32,F33,F34,F36 Fits BMW Engines including: N20,N26

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Engine Coolant Hose F22, F23, F30, F31, F34, F32, F33, F36 - B48 ...

T#:53644215

Part#: URO-023423

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$ 65.99 USD

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$ 65.99 USD

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This high-quality hose from URO prevents overheating by maintaining a stable engine temperature, allowing for optimal performance and extended engine life.

URO Hose Clamp - Priced Each

T#:54388406

Part#: 17127639895

Ships in 1 Business Day

$ 16.99 USD

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$ 16.99 USD

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Located on the bottom coolant hose

Turbo Coolant Line

T#:55749608

Part#: 11538602578

Ships in 1 Business Day

$ 43.99 USD

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$ 43.99 USD

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Keep your turbocharger supplied with coolant and shield your engine bay from costly leaks with this replacement Turbocharger Coolant Line from URO Parts.

Coolant Expansion Tank

T#:55749607

Part#: 17132284600

Ships in 1 Business Day

$ 168.99 USD

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$ 168.99 USD

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This URO Coolant Expansion Tank is a budget-conscious alternative that's designed to handle the rigorous fluid expansion and pressure demands of your M car.

URO Turbo Coolant Return Line - BMW Gen1 B58 3.0L

T#:53079363

Part#: 11538666857

Ships in 1 Business Day

Sale - Save 5% $ 65.99

This product was last offered at the strikethrough price on
05-26-2026

$ 62.69 USD

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Sale - Save 5%

$ 65.99

This product was last offered at the strikethrough price on
05-26-2026

$ 62.69 USD

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Replacement coolant return hose running from the turbocharger to the auxiliary water pump.

URO Engine Coolant Hose - BMW E70 X5

T#:52586666

Part#: 17127536236

Ships in 1 Business Day

$ 29.99 USD

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$ 29.99 USD

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The ÜRO Parts 20796 Crankcase Vent Valve is a critical component for maintaining engine efficiency and emissions compliance.

Radiator Hose - Lower - E38/E39

T#:50066847

Part#: 11537505229

Ships in 1 Business Day

$ 41.99 USD

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$ 41.99 USD

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Connects from the lower radiator outlet to the thermostat housing and features an integrated port for the coolant temperature sensor.

URO Engine Coolant Hose - G30, G11

T#:54851969

Part#: 17128602870

Ships in 1 Business Day

$ 61.99 USD

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$ 61.99 USD

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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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Radiator Hose - Radiator To Engine Oil Cooler - F10 N52

T#:50031875

Part#: 17127578399

Ships in 1 Business Day

$ 36.99 USD

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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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URO Expansion Tank Hose - F25 - F26

T#:54851968

Part#: 17128570061

Ships in 9 Business Days

$ 26.99 USD

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$ 26.99 USD

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In the world of performance German engineering, the cooling system is your engine's lifeline. Weak hoses lead to pressure drops and catastrophic failures. Whether you are refreshing your daily driver or prepping your car for the next track event, this heavy-duty coolant recovery tank hose delivers factory-level fitment with upgraded durability.

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URO Coolant Bypass Hose - B48

T#:54851970

Part#: 17128616914

Back Ordered

$ 44.99 USD

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$ 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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