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BMW Cooling System Parts & Accessories for BMW X Series F16 (2015+)

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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

10X Entries Into Our F80 M3 Sweepstakes

T#:55353595

Part#: OTN54.T85KT3

In Stock

$ 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.

Schwaben Locking Hose Clamp Pliers

10X Entries Into Our F80 M3 Sweepstakes

T#:377131

Part#: 004170SCH01A

In Stock

$ 63.99

This product was last offered at the strikethrough price on
05-02-2026

$ 57.99 USD

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$ 57.99 USD

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These pliers feature a spring loaded clamp with a 24" cable and will lock onto the clamp and hold open for easy removal. These pliers are designed to remove metal or plastic self-tightening hose clamps with diameters from 11/16" to 2-1/2" ( 18 to 54mm).

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Vargas Billet Upper Coolant Line Block-Off - BMW N55 & S55 Engines ...

2X Entries Into Our F80 M3 Sweepstakes

T#:52094575

Part#: VTT-FAB-047

Ships on Sep 18, 2026

$ 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.

Bremmen Upper Radiator Coolant Hose - BMW E70 E71 F15 F16 N55 3.0L ...

10X Entries Into Our F80 M3 Sweepstakes

T#:50381391

Part#: 17127586774

In Stock

$ 69.99

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

$ 58.99 USD

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$ 58.99 USD

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Replacement coolant hose for your BMW that connects the oil filter housing and heater core pipe to the radiator. Replace old, leaking coolant hoses to prevent coolant loss and overheating.

Genuine BMW Module Carrier - 17117631474 - E71,F15,F16

T#:174446

Part#: 17117631474

In Stock

Sale - Save 70% $ 200.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 59.98 USD

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Sale - Save 70%

$ 200.99

This product was last offered at the strikethrough price on
05-02-2026

$ 59.98 USD

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Genuine BMW Module Carrier -
This item fits the following BMW Chassis:
E71,F15,F16

Fits BMW Engines including:
N63,N63N

O-Ring And Gasket Kit

T#:55245812

Part#: 17227800XKT

In Stock

$ 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.

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

T#:53608839

Part#: 8371

Ships in 4 Business Days

$ 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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Rein Thermostat Assembly - F22 F87 F23 F30 F34 F32 F33 F36 F15 F16 - ...

2X Entries Into Our F80 M3 Sweepstakes

T#:55965849

Part#: 11537598865

Ships in 4 Business Days

Sale - Save 5% $ 79.99

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

$ 75.99 USD

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Sale - Save 5%

$ 79.99

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

$ 75.99 USD

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A malfunctioning or lazy thermostat can lead to poor fuel trim efficiency, sluggish performance, and destructive overheating. This Rein thermostat assembly is engineered as a robust direct replacement for your worn factory unit, ensuring proper coolant regulation through the radiator under heavy loads.

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Bremmen Lower Radiator Coolant Hose - E70 E71 F15 F16 N63

10X Entries Into Our F80 M3 Sweepstakes

T#:50381401

Part#: 17127576358

Ships in 1-2 days

Sale - Save 3% $ 85.67

This product was last offered at the strikethrough price on
05-03-2026

$ 83.10 USD

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Sale - Save 3%

$ 85.67

This product was last offered at the strikethrough price on
05-03-2026

$ 83.10 USD

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Connects the lower radiator to the water pump Replace leaking hoses to prevent coolant loss and overheating

Coolant Outlet Hose

T#:57725187

Part#: 11537541992

Ships on Sep 24, 2026

$ 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.

Thermostat With Housing & Gasket

T#:56544033

Part#: 11537586885

Special Order: No Guaranteed ETA

$ 68.99 USD

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$ 68.99 USD

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This Febi Bilstein electronic coolant thermostat assembly delivers factory-level thermal control to keep coolant temperatures stable across varying engine loads.

Coolant Expansion Tank Cap

T#:56001934

Part#: 46221

Special Order: No Guaranteed ETA

$ 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.

Bolt For Water Pump

T#:56724732

Part#: 11517602123

Special Order: No Guaranteed ETA

$ 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.

Meyle Engine Coolant Thermostat - BMW FXX, GXX

5X Entries Into Our F80 M3 Sweepstakes

T#:52797701

Part#: 3282280016

Ships on Sep 21, 2026

$ 47.99 USD

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$ 47.99 USD

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This MEYLE thermostat ensures your engine stays at the perfect temperature for efficiency and power.

Coolant Thermostat

T#:55857769

Part#: 11537598865

Special Order: No Guaranteed ETA

$ 68.99 USD

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$ 68.99 USD

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This replacement thermostat from Febi Bilstein ensures your cooling system regulates precisely at the proper factory temperature parameters.

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