BMW Cooling System Parts & Accessories for BMW 3 Series E91 (2006-2012)

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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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Genuine BMW Heater Return Coolant Hose - N52 3.0L
For automatic transmission models only
Genuine BMW - Corporate Logo
T#:21739
Part#: 17127548224
In Stock
2% off MSRP $ 161.99

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

$ 158.99 USD
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2% off MSRP
$ 161.99

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

$ 158.99 USD
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Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

Genuine BMW Line, Heater Return - Thermostat -
This item fits the following BMW Chassis:
E82,E90,E92,E93

Fits BMW Engines including:
N51,N51,N52,N52N

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Genuine BMW - Corporate Logo
T#:7459
Part#: 17127527131
Ships in 1-2 days
6% off MSRP $ 134.99

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

$ 126.99 USD
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6% off MSRP
$ 134.99

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

$ 126.99 USD
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Genuine BMW Line, Heater Return - Thermostat -
This item fits the following BMW Chassis:
E90,E92

Fits BMW Engines including:
N51,N52,N52N

Genuine BMW Cooling Hose - Water Pump to Engine
For vehicles with automatic transmission and a production date from 05/2010
Genuine BMW - Corporate Logo
T#:36115
Part#: 11537613176
In Stock
10% off MSRP $ 200.99

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

$ 184.99 USD
Limited Qty Sale
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10% off MSRP
$ 200.99

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

$ 184.99 USD
Limited Qty Sale
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Genuine BMW Pipe, Engine Supply-Coolant Pump -
This item fits the following BMW Chassis:
E82,E90,E92,E93,F10

Fits BMW Engines including:
N51,N52,N52N

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ECS - Corporate Logo
T#:49822519
Part#: 044952LA04AKT
In Stock
$ 597.99 USD
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$ 597.99 USD
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The N5X family of engines marked the start of a new era for BMW. The all-new aluminum block powerplants featured a host of technical upgrades, aiding in power output, reliability, and performance. Among these technological advances is an external electronic water pump, which removed load from the engine's accessory drive and allowed for advanced pulse-width-modulated (PWM) control.

From factory, the N52's electronic water pump is limited to a measly 200W output—strong enough for daily driving, but lacking in performance applications. Recognizing this shortcoming, ECS engineers set out to create a high-flow water pump upgrade that doesn't break the bank. Their high-quality adapter wiring harness and bracket allow you to install a 400W N54 water pump without any modification, an effortless, yet effective upgrade that doubles the output of the factory water pump!

By increasing coolant flow capacity, the 400W pump improves heat extraction from the cylinder head and engine block during high-load operation. This added thermal headroom is particularly beneficial for modified engines, sustained aggressive driving, track use, or operation in elevated ambient temperatures where the factory pump can operate near its limits. Improved circulation helps maintain more stable coolant temperatures and reduces the risk of localized hot spots.

Features & Benefits:

Upgrades to the more powerful 400W N54 water pump for increased coolant flow and improved engine cooling efficiency Sealed adaptor harness ensures secure connections and optimal operation under demanding conditions The N54 pump's higher power output offers longer-lasting, more effective cooling compared to the stock N52 pump Design:

40A fused power wire safely handles the increased power demands of the N54 pump, providing consistent and stable performance Sealed and robust construction, designed to withstand heat and moisture, ensuring reliability in even the most challenging environments Plug-and-play compatibility is designed for easy integration with the N52 engine and N54 water pump, minimizing installation time and complexity Kit Contents:

ECS N54 Water Pump Adapter Kit Conversion wiring harness Aluminum bracket Installation hardware Pierburg Full Aluminum Water Pump (11515A05704) Installation:

- Click HERE for Installation Instructions -

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Genuine BMW - Corporate Logo
T#:360694
Part#: 11537549476
In Stock
16% off MSRP $ 316.79

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

$ 265.77 USD
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16% off MSRP
$ 316.79

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

$ 265.77 USD
Free Shipping

Engine running a little hot or is the temp gauge not telling you anything? The thermostat might be the likely problem. Many cooling issues start with the thermostat. This is electronically controlled by the engine computer based on the cooling demands from the engine. And cooling components are working harder than ever. Engine performance is also dependent on temperature - as temperatures rise and pass a certain threshold the engine computer will begin reducing power. Stay on top of your cooling maintenance by replacing critical components preventatively. This replacement thermostat fits many of the N51 N52 N53 N54 6 cylinder engines and is an OEM Behr part.  

The thermostat is located along with the water pump on the side of the engine. To gain access for removal you may need to remove the water pump as well. If the water pump is removed you MUST replace its mounting bolts. You can add them from the options below. We also have a bundled package that includes the water pump, mounting screws, connecting hose, and clamps if you want to replace everything together (recommended).  

For the following BMW engines:
N54 N52

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Mishimoto - Corporate Logo
T#:378422
Part#: MMFAN14
In Stock
$ 100.99 USD
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$ 100.99 USD
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WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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Spal - Corporate Logo
T#:598801
Part#: 30100375
In Stock
$ 99.99 USD
Free Shipping
$ 99.99 USD
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861 CFM. High performance puller fan with straight blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 13.25in x 12.5in x 2.2in Airflow (CFM): 861
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Spal - Corporate Logo
T#:2181323
Part#: FRH
Ships in 4 Business Days
12% off MSRP $ 112.99

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

$ 99.99 USD
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12% off MSRP
$ 112.99

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

$ 99.99 USD
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SPAL® electric fan relay wiring kits are designed to automatically turn on your SPAL® electric fan when the air conditioning is turned on. They can also be used when dual electric fans are installed using one switching device. Features: Makes installation of your new fan a breeze Designed to safely integrate with OEM wiring Feature a waterproof 10/40 amp relay with printed wires for easy installation Harness is designed for 12V systems only Does not included thermo-switch
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Mishimoto - Corporate Logo
T#:378443
Part#: MMFAN12
Ships in 4 Business Days
$ 93.99 USD
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$ 93.99 USD
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WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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Mishimoto - Corporate Logo
T#:378412
Part#: MMFAN12BL
Ships in 4 Business Days
$ 106.99 USD
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$ 106.99 USD
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WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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Gates - Corporate Logo
T#:340651
Part#: 17127531581
Ships in 2 Business Days
$ 78.99 USD
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$ 78.99 USD
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Take care of your cooling system - replace old hoses
Spal - Corporate Logo
T#:598818
Part#: 30102113
In Stock at Vendor
$ 257.99 USD
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$ 257.99 USD
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2467 CFM. High performance puller fan with curved blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 16.25in x 15.75in x 3.5in Airflow (CFM): 2467
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Genuine BMW - Corporate Logo
T#:46223
Part#: 17127540020
Ships in 1 day
6% off MSRP $ 89.99

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

$ 84.99 USD
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6% off MSRP
$ 89.99

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

$ 84.99 USD
Free Shipping


Genuine BMW Hose, Low-Temperature Cooling Module -
This item fits the following BMW Chassis:
E82,E90,E92,E93

Fits BMW Engines including:
N51,N52,N52N

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Genuine BMW - Corporate Logo
T#:46238
Part#: 17127548225
Ships in 1-2 days
2% off MSRP $ 161.99

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

$ 157.99 USD
Free Shipping
2% off MSRP
$ 161.99

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

$ 157.99 USD
Free Shipping


Genuine BMW Line, Heater Return - Thermostat -
This item fits the following BMW Chassis:
E82,E90,E92,E93

Fits BMW Engines including:
N51,N52,N52N

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Genuine BMW - Corporate Logo
T#:40950
Part#: 12907547141
Ships in 1-2 days
5% off MSRP $ 238.99

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

$ 227.99 USD
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5% off MSRP
$ 238.99

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

$ 227.99 USD
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Genuine BMW E-Box Fan -
This item fits the following BMW Chassis:
E82,E90,E92,E93

Fits BMW Engines including:
N51,N52,N52N,N54,N55,S65


Genuine BMW Fan Shroud
For vehicles with 600W fan
Genuine BMW - Corporate Logo
T#:45936
Part#: 17117557814
Ships in 4 Business Days
4% off MSRP $ 197.99

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

$ 189.99 USD
Free Shipping
4% off MSRP
$ 197.99

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

$ 189.99 USD
Free Shipping


Genuine BMW Fan Shroud -
This item fits the following BMW Chassis:
E82,E90,E92,E93

Fits BMW Engines including:
N51


Genuine BMW - Corporate Logo
T#:36005
Part#: 11537535829
Ships in 1-2 days
5% off MSRP $ 215.99

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

$ 205.99 USD
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5% off MSRP
$ 215.99

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

$ 205.99 USD
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This is the Genuine BMW coolant pump inlet pipe for cars with the N52 6 cylinder engine and manual transmission.

This item fits the following BMWs:
2008+ E82 BMW 128i - Only for Manual Trans
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi - Sedan - Only for Manual Trans
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon - Only for Manual Trans
2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe - Only for Manual Trans
2007-2013 E93 BMW 328i - Convertible - Only for Manual Trans
2006-2010 E83 BMW X3 3.0i X3 3.0si - Only for Manual Trans
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Genuine BMW - Corporate Logo
T#:378882
Part#: 11517586925KT4
Ships in 1-2 days
$ 1,064.99 USD
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$ 1,064.99 USD
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Genuine BMW Water Pump And Thermostat Kit is designed to address the common issue of water pump failure in BMW models around 80,000 miles. This comprehensive kit provides everything needed for a seamless water pump and thermostat replacement, ensuring your BMW continues to perform at its best without leaving you stranded.

This kit includes a Genuine BMW water pump, thermostat, coolant, and all necessary mounting hardware, offering a reliable solution to restore your engine's cooling system. Perfect for preventative maintenance, this Genuine BMW kit helps prevent overheating and ensures optimal engine performance.

  • Genuine BMW parts for precise fitment and reliability
  • Complete kit for water pump and thermostat replacement
  • Helps prevent common water pump failures around 80,000 miles
  • Includes all required mounting hardware for easy installation
  • Enhances engine cooling efficiency and longevity
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Genuine BMW - Corporate Logo
T#:22325
Part#: 11537516414
Ships in 1 day
5% off MSRP $ 215.99

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

$ 205.99 USD
Free Shipping
5% off MSRP
$ 215.99

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

$ 205.99 USD
Free Shipping
This is the Genuine BMW coolant pump inlet pipe for cars with the N52 6 cylinder engine.

This item fits the following BMWs:
2008+ E82 BMW 128i - Only for Auto Trans
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi - Sedan - Only for Auto Trans
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon - Only for Auto Trans
2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe - Only for Auto Trans
2007-2013 E93 BMW 328i - Convertible - Only for Auto Trans
2006-2010 E60 BMW 525i 525xi 530i 530xi 528i 528xi 528i xDrive
2006-2010 E83 BMW X3 3.0i X3 3.0si - Only for Auto Trans
2006-2008 E85 BMW Z4 3.0i Z4 3.0si
2009+ Z4 BMW Z4 sDrive30i
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Genuine BMW Coolant Hose Assembly
For manual transmission models only
Genuine BMW - Corporate Logo
T#:46237
Part#: 17127548223
Ships in 1-2 days
2% off MSRP $ 225.99

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

$ 221.99 USD
Free Shipping
2% off MSRP
$ 225.99

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

$ 221.99 USD
Free Shipping


Genuine BMW Line, Heater Return - Thermostat -
This item fits the following BMW Chassis:
E82,E90,E92,E93

Fits BMW Engines including:
N51,N51,N52,N52N

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Genuine BMW - Corporate Logo
T#:348480
Part#: 11537545890
Ships in 1-2 days
9% off MSRP $ 104.99

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

$ 95.99 USD
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9% off MSRP
$ 104.99

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

$ 95.99 USD
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Vargas Turbo Technologies - Corporate Logo
T#:7530033
Part#: COOLANTCAPBLK
In Stock
$ 79.99 USD
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$ 79.99 USD
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VTT is proud to offer their billet replacement for the factory plastic Coolant Reservoir cap. This cap does away with the weak plastic cap while adding some pop, and color to your engine bay. This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap. VTT also designed these caps to complement their N5X Billet Oil caps, N5XBillet Oil filter housing caps, and Billet Power Steering cap, so all 4 will have the same design. These caps are offered in 4 colors – Red, Black, Blue, and Clear anodized Replaces Genuine BMW Reservoir Cap # 17117639020 Note: Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. If your BMW is an E90 or newer this cap most likely will fit
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Spal - Corporate Logo
T#:598797
Part#: 30102029
In Stock
$ 207.99 USD
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$ 207.99 USD
Free Shipping
1328 CFM. High performance puller fan with curved blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 13.25in x 12.5in x 3.5n Airflow (CFM): 1328
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ATD Tools - Corporate Logo
T#:3629267
Part#: ATD3300
Ships in 7 Business Days
$ 497.99 USD
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$ 497.99 USD
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Adapters for most European and domestic vehicles


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 4 Business Days
New Item
$ 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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Mishimoto - Corporate Logo
T#:378434
Part#: MMFAN10
Ships in 4 Business Days
$ 88.99 USD
Free Shipping
$ 88.99 USD
Free Shipping
WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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Genuine BMW Fan Shroud
For vehicles with 400W fan
Genuine BMW - Corporate Logo
T#:47094
Part#: 17427533274
Ships in 5 Business Days
4% off MSRP $ 197.99

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

$ 189.99 USD
Free Shipping
4% off MSRP
$ 197.99

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

$ 189.99 USD
Free Shipping


Genuine BMW Fan Shroud -
This item fits the following BMW Chassis:
E82,E89 Z4,E90,E92,E93

Fits BMW Engines including:
N52,N52N