BMW Cooling System Parts & Accessories for BMW X Series F25 (2011+)

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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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Thermostat Installation Kit with Thermostat - N54, N55, S55
Thermostat Installation Kit with Thermostat - N54, N55, S55
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:55353595
Part#: OTN54.T85KT3
In Stock
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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.
CSF OE Replacement Radiator
CSF OE Replacement Radiator
2X Entries Into Our F80 M3 Sweepstakes
CSF - Corporate Logo
T#:57340357
Part#: 4008
Ships in 3 Business Days
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$ 115.99 USD
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$ 115.99 USD
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Engineered to handle elevated engine temperatures and rigorous driving, the CSF OEM Style Radiator delivers targeted thermal management for your cooling system. Built to strict ISO standards, this radiator provides precise bolt on fitment while utilizing high grade aluminum core
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Vargas Billet Upper Coolant Line Block-Off - BMW N55 & S55 Engines
Vargas Billet Upper Coolant Line Block-Off - BMW N55 & S55 Engines ...
2X Entries Into Our F80 M3 Sweepstakes
Vargas Turbo Technologies - Corporate Logo
T#:52094575
Part#: VTT-FAB-047
Ships in 10 Business Days
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$ 21.99 USD
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$ 21.99 USD
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When building a custom turbo kit, the "VTT-FAB-047" Block-Off Flange is an essential component for managing your BMW's thermal systems.
CSF Universal Large Single-Pass Oil Cooler - Universal Application
CSF Universal Large Single-Pass Oil Cooler - Universal Application ...
2X Entries Into Our F80 M3 Sweepstakes
Universal fitment design - modifications may be necessary to run this cooler
CSF - Corporate Logo
T#:53608839
Part#: 8371
Ships in 3 Business Days
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$ 499.00 USD
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$ 499.00 USD
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CSF redesigned this cooler and went with a more traditional inlet/outlet orientation. The new single pass design features high efficiency and high durability, but with vertically oriented inlet and outlet connections.
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Engine Coolant Thermostat - F25 F26 - N55
Engine Coolant Thermostat - F25 F26 - N55
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:55965845
Part#: 11537586784
Ships in 3 Business Days
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$ 85.99 USD
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$ 85.99 USD
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Maintain exact control over your N55’s operating temperatures under demanding street and track conditions with this Rein replacement thermostat unit. Engineered to match factory standards, this complete housing and thermostat assembly ensures your cooling system handles thermal loads flawlessly to prevent heat soak or dangerous overheating.
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O-Ring And Gasket Kit
O-Ring And Gasket Kit
Genuine BMW - Corporate Logo
T#:55245812
Part#: 17227800XKT
Ships in 1 day
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$ 24.21 USD
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$ 24.21 USD
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This Maintenance Seal Kit bundles two high-failure items that should always be replaced anytime the engine oil cooler lines or oil level sensor are disturbed.
Coolant Outlet Hose
Coolant Outlet Hose
Burgaflex - Corporate Logo
T#:57725187
Part#: 11537541992
Ships in 1-2 days
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$ 26.99 USD
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$ 26.99 USD
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The Burgaflex Coolant Outlet Hose delivers track-ready reliability for high-demand driving conditions.
Cooling Hose
Cooling Hose
Burgaflex - Corporate Logo
T#:57761571
Part#: 11537592095
Ships in 1-2 days
New Item
$ 31.99

This product was last offered at the strikethrough price on
09-26-2026

$ 25.99 USD
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$ 25.99 USD
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The Burgaflex cooling hose is engineered for enthusiasts who demand peak performance and bulletproof reliability under harsh conditions.
Meyle Coolant Pump Thermostat - 87 Degrees - BMW N47 N57
Meyle Coolant Pump Thermostat - 87 Degrees - BMW N47 N57
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55497457
Part#: 3282280010
Ships in 7 Business Days
New Item
$ 35.99

This product was last offered at the strikethrough price on
06-30-2026

$ 16.99 USD
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$ 16.99 USD
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Keep your engine operating in its powerband and prevent performance-robbing heat soak with this replacement coolant thermostat from Meyle. A failing or sticky thermostat can ruin a track day or spirited drive, making a fresh, high-quality replacement essential for keeping your cooling system performing at its peak under heavy load. Engineered for crisp, reliable valve activation, it ensures your cooling system sheds heat efficiently when you are pushing your vehicle to its limits.
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Turbo Cooling Line - Supply
Turbo Cooling Line - Supply
Burgaflex - Corporate Logo
T#:57725188
Part#: 11538663516
Ships on Oct 22, 2026
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$ 53.99 USD
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$ 53.99 USD
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The Burgaflex turbo cooling line supply delivers robust, track-ready durability for your forced-induction cooling circuit.
Turbo Cooling Line - Return
Turbo Cooling Line - Return
Burgaflex - Corporate Logo
T#:57725189
Part#: 11538663517
Ships on Oct 22, 2026
New Item
$ 53.99 USD
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$ 53.99 USD
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Keep your turbo charger running cool and performing reliably under demand with this high-quality Burgaflex Turbocharger Coolant Return Line.
Coolant Expansion Tank Cap
Coolant Expansion Tank Cap
Febi - Corporate Logo
T#:56001934
Part#: 46221
Special Order: No Guaranteed ETA
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$ 19.99 USD
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$ 19.99 USD
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This Febi Bilstein coolant expansion tank cap is designed to maintain the exact 1.4 bar pressure required to maximize your coolant's boiling point.
Thermostat With Housing
Thermostat With Housing
Febi - Corporate Logo
T#:56001956
Part#: 11538635689
Special Order: No Guaranteed ETA
New Item
$ 126.99 USD
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$ 126.99 USD
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This Febi Bilstein thermostat assembly is the perfect solution for maintaining correct cooling system pressures and temperatures on the street or the track.
Electromagnetic Water Pump With Bolts
Electromagnetic Water Pump With Bolts
Febi - Corporate Logo
T#:56291026
Part#: 178011
Special Order: No Guaranteed ETA
New Item
$ 879.99 USD
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$ 879.99 USD
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Restore the cooling precision of your BMW with this OEM-spec Febi Bilstein replacement electric water pump.
Bolt For Water Pump
Bolt For Water Pump
Febi - Corporate Logo
T#:56724732
Part#: 11517602123
Special Order: No Guaranteed ETA
New Item
$ 2.99 USD
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$ 2.99 USD
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This Febi Bilstein water pump screw offers superior durability designed to maintain consistent clamping pressure under high thermal loads.
URO Expansion Tank Hose - F25 - F26
URO Expansion Tank Hose - F25 - F26
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:54851968
Part#: 17128570061
Ships on Jan 11, 2027
New Item
$ 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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Meyle Water Pump - Engine Cooling - BMW FXX
Meyle Water Pump - Engine Cooling - BMW FXX
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:52621849
Part#: MWP0662
Ships on Oct 15, 2026
New Item
$ 265.99 USD
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$ 265.99 USD
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Maintain your BMW’s cooling efficiency with the Meyle MWP0662 Water Pump.

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