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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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Pierburg - Corporate Logo
T#:6091438
Part#: 11515A05704
In Stock
$ 537.99 USD
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$ 537.99 USD
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N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. If your water pump is starting to fail, you may notice coolant leaks, or even hear a whining noise coming from under the hood. If you think your water pump is starting to fail, replace it as soon as you can. The main downside to an electric water pump is you may also notice nothing - nothing but overheating! Keep your eyes peeled for warning signs it may be time to replace your water pump.
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Pierburg - Corporate Logo
T#:348906
Part#: 11517586925
In Stock
$ 515.99

This product was last offered at the strikethrough price on
09-14-2026

$ 365.99 USD
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$ 365.99 USD
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Don't take your car's cooling system for granted. A waterpump failure can cost you an engine, which is why preventatively replacing your BMWs waterpump and refreshing the cooling system every 60,000 miles. The water pump is a weak point is the cooling system. Replacing your waterpump will go a long way for keeping your car on the road and operating properly. This water pump fits many 2006 and newer BMW 6 cylinder engines, specifically all the BMWs with the N51, N52, N53 engines. You will also need to purchase replacement aluminum screws Part #11510392553 

Pierburg pumps are some of the most trusted and widely used on the market. From fuel, water, air and vacuum Pierburg has you covered with OE quality and reliable performance year after year.

This water pump fits the following BMWs:
2008-20xx E82 128i
2006-2006 E90 325i sedan, 330i sedan, 325xi sedan, 330xi sedan
2007-2012 E90 328i sedan, 328xi sedan, 328i xDrive sedan
2007-2012 E92 328i coupe, 328xi coupe, 328i xDrive coupe
2007-2012 E93 328i Convertible
2006-2006 E60 525i, 525xi, 530i, 530xi
2007-2010 E60 528i, 528xi, 528i xDrive
2007-2010 E83 X3 3.0i X3 3.0si
2007-20xx E70 X5 3.0si X5 xDrive30i 
2006-2008 E85 Z4 3.0si
2009-20xx E89 Z4 sDrive30i

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Pierburg - Corporate Logo
T#:341216
Part#: 11517586925KT1
In Stock
$ 522.99

This product was last offered at the strikethrough price on
09-14-2026

$ 373.99 USD
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$ 373.99 USD
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Ensure your BMW's optimal performance by replacing a failing water pump with this high-quality replacement. Detectable by symptoms like coolant leaks or whining noises from under the hood, a failing water pump can lead to overheating issues. Don't risk engine damage; keep an eye out for warning signs and promptly replace the water pump. This replacement kit includes one-time-use aluminum mounting bolts for a secure installation.

Product Benefits:

  • Prevents coolant leaks
  • Eliminates whining noises from the engine
  • Avoids overheating issues
  • Includes one-time-use aluminum mounting bolts for secure installation
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Pierburg - Corporate Logo
T#:554817
Part#: 11518635090
In Stock
$ 771.99

This product was last offered at the strikethrough price on
07-09-2026

$ 579.99 USD
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$ 579.99 USD
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If your water pump is showing signs of wear and tear, it's crucial to act promptly. Avoid issues like coolant leaks or the dreaded whining noise under the hood by replacing it as soon as possible. The electric water pump, while efficient, may not always give clear signals – except for one: overheating!

  • Prevents coolant leaks
  • Eliminates whining noise
  • Efficient electric water pump
  • Timely replacement prevents overheating
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Pierburg - Corporate Logo
T#:363990
Part#: 11518635089
In Stock
$ 463.99 USD
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$ 463.99 USD
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New original equipment water pump to keep your cooling system in tip top shape
Active Autowerke - Corporate Logo
T#:397219
Part#: 14-010
Ships in 1 Business Day
5% off MSRP $ 259.00

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

$ 246.99 USD
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5% off MSRP
$ 259.00

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

$ 246.99 USD
Free Shipping

When you push your powerplant, thermodynamics push right back. The toll of high performance is higher heat load – and many stock components begin to complain. But Active Autowerke has you covered - this upgraded fan clutch increases viscous coupling of cooling fan blade speed to water pump speed, yielding increased airflow through the radiator for more efficient cooling. A simple, yet wonderful, thing.

This product fits the following BMWs:
1992-1999 E36 323i 325i 328i 330i M3
1998-2006 E46 323i 325i 328i 330i M3

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Genuine BMW M Performance - Corporate Logo
T#:22536
Part#: 17127602294
Ships in 1-2 days
10% off MSRP $ 194.99

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

$ 175.99 USD
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10% off MSRP
$ 194.99

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

$ 175.99 USD
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Genuine BMW Hose From Radiator Bottom - Thermostat
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E92,E93

Fits BMW Engines including:
N54T

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Genuine BMW M Performance - Corporate Logo
T#:46042
Part#: 17117602241
Ships in 1-2 days
3% off MSRP $ 234.99

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

$ 226.99 USD
Free Shipping
3% off MSRP
$ 234.99

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

$ 226.99 USD
Free Shipping

This radiator aids in the cooling of you N54 engine which is know for running on the hot side. This is perfect for cars that see track time and spirited driving.


Genuine BMW Left Radiator
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E92,E93

Fits BMW Engines including:
N54

 

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Pierburg - Corporate Logo
T#:639136
Part#: 11517597715
Ships in 1 Business Day
$ 836.99

This product was last offered at the strikethrough price on
05-07-2026

$ 812.99 USD
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$ 812.99 USD
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BMW F30 Water Pump plays a crucial role in the vehicle's cooling system, directly impacting performance and fuel efficiency. Designed to manage engine cooling, this water pump also supports turbo and transmission cooling, making it an essential component of the engine. BMW has engineered this smart electric water pump with increased output to meet the high cooling demands of the N20/N26 engines, which face additional stress due to the factory intercooler, tight engine bay, and heat from the turbochargers.

  • Enhanced Cooling Performance: Ensures effective cooling of the engine, turbo, and transmission.
  • Smart Electric Design: Features a dynamic electric pump with increased output compared to normally aspirated models.
  • Engine Efficiency: Balances engine power output and cooling responsibilities for optimal performance.
  • Fits Multiple Models: Compatible with 2012+ BMW F30 320i

This water pump is a critical upgrade for maintaining engine health and performance.

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Pierburg - Corporate Logo
T#:379284
Part#: 64116922699
Ships in 1 day
$ 130.27 USD
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$ 130.27 USD
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Improves coolant flow allowing hot air to blow while the engine is off
Pierburg - Corporate Logo
T#:583982
Part#: 11518635092
Ships in 4 Business Days
$ 567.96 USD
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$ 567.96 USD
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This water pump is designed to provide reliable and efficient cooling for your BMW's engine. This high-quality electric coolant pump is specifically engineered for the F10 and F25 models, ensuring optimal performance and longevity. As a genuine OEM part, it guarantees perfect compatibility with your BMW, offering seamless integration and superior functionality. Key Benefits: OEM part ensures precise fit and reliable performance. Enhances engine cooling efficiency, preventing overheating. Specifically designed for BMW F10 and F25 models. Manufactured with high-quality materials for durability and longevity. Easy installation for a hassle-free replacement process.
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Active Autowerke - Corporate Logo
T#:2302749
Part#: 14-016
Ships in 10 Business Days
$ 141.99 USD
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$ 141.99 USD
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CNC machined coolant/water thermostat bypass tube to improve flow on and off the track. Easy plug and play installation and a durable anodized coating make this a simple and reliable temperature control solution.
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Active Autowerke - Corporate Logo
T#:5886968
Part#: 15-012
Ships in 3 Business Days
$ 2,849.99 USD
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$ 2,849.99 USD
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BMW's S55 motor is a modern marvel but one weak point, which Active identified is the entire cooling system for the intake which comprises the charge pipe, the aftercooler and the heat exchanger (or radiator). Finally there is a S55 aftercooler kit upgrade that is good enough to carry the Active Autowerke brand. Years of success in developing cars for motorsport has allowed Active to leverage its expertise to the top-mount charge air cooler on the F80 M3, F82 M4 and F87 M2 Competition. This aftercooler was made for the S55 and crafted using only high-grade aluminum to outperform the factory aftercooler in all situations from everyday driving to the toughest racing. The factory cooler was built to support a specific power target and environment. Many of you have increased the performance of the S55 which quickly overwhelms the stock cooler leading to heat soak and higher intake air temperatures which triggers the ECU to downgrade the performance until cooler air returns. Active's focus was not on a mass-market aesthetic add-on but a properly engineered improvement over the existing hardware. Active uses a tube-and-fin core designed specifically for the S55 and included turbulators to maximize the cooling efficiency in as small a package as possible. The end tanks are billet machined aluminum, not cast, folded, or bonded and ensure even distribution of the water throughout the internal aftercooler cores. High precision fittings, CNC machining, and TIG welding throughout ensures the highest quality construction to prevent pressure loss, and the lowest weight, in a bolt-on replacement. But Active also didn’t leave the aesthetics by the wayside as we dip the visible top of the aftercooler in a carbon fiber coating giving your installed cooling system a decidedly top market look to match the improved cooling performance. The Active silicone charge pipes for the F80 M3, F82/F83 M4 and the F87 M2 Competition improve the flow over the stock, compressed plastic pipes. The Active Silicone Charge Pipes allow you to maximize power on your F8X by securing all the boost that your S55 is making. These pipes replace the hot-side pipes leaving the turbos and into the top-mount aftercooler. The stock S55 charge pipes are notorious for developing hairline fractures at their plastic seams. These fractures or cracks are unnoticeable to the naked eye, but under boost pressure they open up leaking the desired charged air into the engine bay, and consequently can rob your S55 of it's full power potential. In addition, these leaks can trigger your S55's turbochargers to work harder to hit and maintain target boost pressure, potentially wearing them out sooner. Active uses silicone in this area because it will not contribute to heat soak and it's easier to mold for the correct clearances. Active uses a 5-layer silicone hose with all needed adapters and stainless hose clamps included. It fits perfectly with our CNC’d top-mount cooler.
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Pierburg - Corporate Logo
T#:380532
Part#: 11517566335
Special Order: No Guaranteed ETA
$ 247.99 USD
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$ 247.99 USD
Free Shipping