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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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Basic Cooling System Service Kit - E9X M3 S65 - Dry
Basic Cooling System Service Kit - E9X M3 S65 - Dry
Packaged by Turner - Corporate Logo
T#:53891614
Part#: 17112283500KT
Ships in 3 Business Days
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$ 540.99

This product was last offered at the strikethrough price on
07-08-2026

$ 523.99 USD
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$ 523.99 USD
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High Performance Metal Water Pump & Pulley Kit - M54
High Performance Metal Water Pump & Pulley Kit - M54
Packaged by Turner - Corporate Logo
T#:55749612
Part#: 888010330KT3
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$ 299.99 USD
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$ 299.99 USD
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Water Pump And Thermostat Kit with Coolant
Water Pump And Thermostat Kit with Coolant
Packaged by Turner - Corporate Logo
T#:55965857
Part#: 11517604027KT3
In Stock
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$ 493.39 USD
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$ 493.39 USD
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Engineered to OE standards, this comprehensive cooling system package integrates the water pump, aluminum thermostat assembly, critical replacement hardware, and factory specified fluid into a single kit.
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Thermostat Installation Kit with Thermostat - N54, N55, S55
Thermostat Installation Kit with Thermostat - N54, N55, S55
Packaged by Turner - Corporate Logo
T#:55353595
Part#: OTN54.T85KT3
Ships in 1-2 days
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$ 390.23 USD
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$ 390.23 USD
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High oil temperatures are the ultimate enemy of your engine's longevity and performance. If you want to keep pushing your BMW to the limit you need to manage the heat.
Mishimoto Water Pump - BMW M50, M52, M54, S50, S52
Mishimoto Water Pump - BMW M50, M52, M54, S50, S52
Mishimoto - Corporate Logo
T#:51075091
Part#: MMWP-M50-92
Ships in 4 Business Days
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$ 72.99 USD
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$ 72.99 USD
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The Mishimoto Performance Water Pump provides the thermal stability required for modified engines.
Mishimoto Thermostat W/ Housing & Sensor - BMW M52, M54, M56 Engines
Mishimoto Thermostat W/ Housing & Sensor - BMW M52, M54, M56 Engines ...
Mishimoto - Corporate Logo
T#:51075086
Part#: MMTS-E46-99E
Ships in 2 Business Days
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$ 91.99 USD
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$ 91.99 USD
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The Mishimoto Thermostat Assembly focuses on precision fitment and long-term durability.
URO Coolant Outlet Flange - BMW F2X 1
URO Coolant Outlet Flange - BMW F2X 1
URO - Corporate Logo
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.
Mishimoto Water Pump - BMW E60, E82, E88, E89, E90, E92, E93 1' 3'5'
Mishimoto Water Pump - BMW E60, E82, E88, E89, E90, E92, E93 1' 3'5' ...
Mishimoto - Corporate Logo
T#:51075062
Part#: MMWP-N54-07
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$ 382.99 USD
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$ 382.99 USD
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The Mishimoto Electric Water Pump is the ideal choice for enthusiasts performing preventative maintenance or a full cooling system overhaul.
Mishimoto Engine Water Pump - BMW F22, F30, F31, F32, F34, F36 320i/320ix
Mishimoto Engine Water Pump - BMW F22, F30, F31, F32, F34, F36 320i/3...
Mishimoto - Corporate Logo
T#:51075060
Part#: MMWP-N20-12
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$ 382.99 USD
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$ 382.99 USD
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The Mishimoto BMW N20 Electric Water Pump provides a robust solution for maintaining the thermal efficiency of your BMW's cooling system.
Water Connector - Expansion Tank To Trans Oil Cooler - E83 Z4
Water Connector - Expansion Tank To Trans Oil Cooler - E83 Z4 ...
URO - Corporate Logo
T#:50031879
Part#: 17112248409
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$ 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
URO Lower Radiator Hose - E83 - N52
URO - Corporate Logo
T#:55821698
Part#: 17123424499
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$ 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
URO Thermostat Assembly - BMW E53 E6X E70 F10 F12 F13 F8X
URO - Corporate Logo
T#:50031902
Part#: 11537586885
In Stock
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$ 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
Expansion Tank Hose
URO - Corporate Logo
T#:50066848
Part#: 17121712736
In Stock
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$ 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
Turbocharger Coolant Line - F06/F10/F12/F13
URO - Corporate Logo
T#:50031872
Part#: 11538092641
Ships in 2 Business Days
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$ 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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Mishimoto Oil Line Fitting Kit - BMW F80, F82, F83, F87 (M2 Competition)
Mishimoto Oil Line Fitting Kit - BMW F80, F82, F83, F87 (M2 Competiti...
Mishimoto - Corporate Logo
T#:51075080
Part#: MMOCF-F80
Ships in 4 Business Days
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$ 100.99 USD
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$ 100.99 USD
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The Mishimoto S55 Oil Line Fitting is a robust upgrade designed for the rigorous demands of competitive racing.
BMW Coolant Pipe - BMW F22/23 F3X
BMW Coolant Pipe - BMW F22/23 F3X
For vehicles with automatic transmissions only.
URO - Corporate Logo
T#:50031885
Part#: 11537639997
Ships in 2 Business Days
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$ 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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URO Hose Clamp - Priced Each
URO Hose Clamp - Priced Each
URO - Corporate Logo
T#:54388406
Part#: 17127639895
Ships in 2 Business Days
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$ 16.99 USD
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$ 16.99 USD
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Located on the bottom coolant hose
Turbo Coolant Line
Turbo Coolant Line
URO - Corporate Logo
T#:55749608
Part#: 11538602578
Ships in 2 Business Days
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$ 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
Coolant Expansion Tank
URO - Corporate Logo
T#:55749607
Part#: 17132284600
Ships in 2 Business Days
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$ 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
URO Turbo Coolant Return Line - BMW Gen1 B58 3.0L
URO - Corporate Logo
T#:53079363
Part#: 11538666857
Ships in 2 Business Days
New Item
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
URO Engine Coolant Hose - BMW E70 X5
URO - Corporate Logo
T#:52586666
Part#: 17127536236
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$ 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
Radiator Hose - Lower - E38/E39
URO - Corporate Logo
T#:50066847
Part#: 11537505229
Ships in 2 Business Days
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$ 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.
Mishimoto Racing Thermostat & Housing - BMW F8X M2, M3, M4
Mishimoto Racing Thermostat & Housing - BMW F8X M2, M3, M4
Mishimoto - Corporate Logo
T#:51075075
Part#: MMTS-F80-15
Ships in 4 Business Days
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$ 139.99 USD
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$ 139.99 USD
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The Mishimoto S55 Racing Thermostat provides superior thermal control compared to standard equipment.
Radiator Hose - Radiator To Engine Oil Cooler - F10 N52
Radiator Hose - Radiator To Engine Oil Cooler - F10 N52
URO - Corporate Logo
T#:50031875
Part#: 17127578399
Ships in 2 Business Days
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$ 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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Gasket, Water Pump (Cooling System)
Gasket, Water Pump (Cooling System)
Elring - Corporate Logo
T#:54852013
Part#: B47.470
Ships in 3 Business Days
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$ 11.99 USD
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$ 11.99 USD
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Upgrade your worn components with this high-quality piece and drive with the confidence that your engine is sealed tight and performing at its absolute best.
Engine Water Pump Gasket Kit
Engine Water Pump Gasket Kit
Elring - Corporate Logo
T#:54317216
Part#: 359.200
In Stock
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$ 12.99 USD
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$ 12.99 USD
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This Elring water pump gasket set is the perfect solution for refreshing your BMW's cooling circuit during a water pump service or cooling system overhaul.

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