BMW Cooling System Parts & Accessories for BMW X Series E83 (2004-2010)

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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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BMW Water Pump - Remanufactured - 11517527799
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:372932
Part#: 11517527799
In Stock
$ 42.99 USD
Free Shipping on orders $49 and up
Features a metal impeller for reliability
URO - Corporate Logo
T#:591812
Part#: 11537549476
In Stock
$ 74.99 USD
Free Shipping on orders $49 and up
Restore proper function to your cooling system
70-78mm - T-Bolt Hose Clamp - Priced each
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:380416
Part#: 003402ECS07A-03
In Stock
Sale - Save 25% $ 31.99

This product was last offered at the strikethrough price on
06-13-2026

$ 23.99 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 31.99

This product was last offered at the strikethrough price on
06-13-2026

$ 23.99 USD
Free Shipping on orders $49 and up

Ensure a tight and leak-free seal in your BMW's cooling, vacuum, or intake systems by installing a new adjustable hose clamp. Over time, clamps can deform or lose their tightness due to aging or frequent removal, potentially causing leaks in your coolant or vacuum hoses. Avoid the risk of leaks by replacing old clamps with new hardware, offering peace of mind against coolant and vacuum system issues.

Key benefits of the adjustable hose clamp include:

  • Maintaining a secure and leak-free seal in your BMW's systems.
  • Preventing coolant or vacuum leaks that can affect performance.
  • Adjustable size from 70mm to 78mm for versatile applications.

Upgrade your hose clamps to ensure optimal performance and reliability in your BMW's systems.

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OEM Rein Lower Expansion Tank Coolant Hose - E83 X3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:363441
Part#: 11533400205
Ships in 2 Business Days
$ 27.99 USD
Free Shipping on orders $49 and up
Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

Saleri - Corporate Logo
T#:581204
Part#: PA659
Ships in 2 Business Days
$ 60.99 USD
Free Shipping on orders $49 and up
Genuine BMW - Corporate Logo
T#:21736
Part#: 17117514402
Ships in 1 day
7% off MSRP $ 28.99

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

$ 26.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 28.99

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

$ 26.99 USD
Free Shipping on orders $49 and up


Genuine BMW Bracket F.Radiator
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E53 48IS,E46,E53 X5 X5,E65,E83 X3,E85 Z4,E86 Z4,E90,E92,E93


Upper Radiator Hose - M54
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:36066204
Part#: 11533400207
In Stock
Sale - Save 20% $ 39.99

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

$ 31.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Sale - Save 20%
$ 39.99

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

$ 31.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up

This Upper Radiator Hose connects the thermostat housing to the radiator, playing a critical role in the cooling system. Due to constant exposure to high temperatures and chemical-rich engine coolant, it is prone to failure over time. If the hose fails, coolant will escape rapidly, potentially leading to engine overheating.

This high-quality replacement hose from Bremmen Parts features a precision-molded rubber section and two "Quick-Connect" connectors, ensuring a secure and reliable fit for a seamless installation.

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URO Expansion Tank Mounting Plate - E83
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:593040
Part#: 17113400017
In Stock
$ 68.99 USD
Free Shipping on orders $49 and up
Secures the expansion tank to the radiator

Schwaben & Bav Auto Water Pump And Fan Clutch Tool Kit
10X Entries Into Our F80 M3 Sweepstakes
Schwaben - Corporate Logo
T#:375872
Part#: 001170SCH01AKT
Ships on Mar 1, 2027
Sale - Save 25% $ 65.99

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

$ 49.49 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 65.99

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

$ 49.49 USD
Free Shipping on orders $49 and up
Replacing the fan clutch on most BMW models requires holding the water pump pulley while removing the fan clutch lock nut. With less than 1 1/2" clearance on some models this project can easily turn into a mechanical nightmare. Using our special slim line fan clutch wrench in conjunction with the appropriate pulley spanner, the removal and installation required only a few moments.
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Rein Radiator Hose - Lower - E83
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:362528
Part#: 17123413819
Ships in 2 Business Days
$ 45.99 USD
Free Shipping on orders $49 and up
Includes port for coolant temperature sensor
Coolant Expansion Tank - E53 E46 E83 M52 M54
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373103
Part#: 17137787039
Ships in 2 Business Days
$ 45.99 USD
Free Shipping on orders $49 and up
We have found that the expansion tanks should be replaced based on age as well as condition. Expansion tanks seem to have a lifespan of less than six years before they show signs of fatigue and wear. Pre-emptively replacing the expansion tank as part of an overall maintenance plan can prevent you from getting stranded from a sudden failure later on.
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Genuine BMW - Corporate Logo
T#:7408
Part#: 17111436245
Ships in 1 day
3% off MSRP $ 36.99

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

$ 35.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 36.99

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

$ 35.99 USD
Free Shipping on orders $49 and up


Genuine BMW Sealing Lower -
This item fits the following BMW Chassis:
E46,E83 X3,E85,E86

Fits BMW Engines including:
M52,M54,M56,N52



OEM Febi Auxiliary Fan Switch
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:340712
Part#: 13621433077
Ships on Dec 24, 2026
$ 29.99 USD
Free Shipping on orders $49 and up
$ 29.99 USD
Free Shipping on orders $49 and up
The auxiliary fan switch activates the auxiliary cooling fan to provide additional cooling under high heat loads, and when the car is stationary.
Genuine BMW - Corporate Logo
T#:360692
Part#: 11537521049
In Stock
11% off MSRP $ 73.99

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

$ 65.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
11% off MSRP
$ 73.99

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

$ 65.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
This is a Genuine BMW coolant host that connects from the water pump to the thermostat. Replace your leaking coolant hose to prevent overheating issues and coolant loss.
URO - Heater Inlet Pipe - E46, Z3, E39
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:34080697
Part#: 11531705210
Ships in 2 Business Days
$ 34.49 USD
Free Shipping on orders $49 and up
This runs from the front left side of the cylinder head under the intake manifold toward the firewall.

Spal - Corporate Logo
T#:598861
Part#: 30100385
In Stock at Vendor
15% off MSRP $ 130.99

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

$ 111.99 USD
Free Shipping on orders $49 and up
15% off MSRP
$ 130.99

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

$ 111.99 USD
Free Shipping on orders $49 and up
1038 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: 15.2in x 14.5in x 2.2in Airflow (CFM): 1038
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Spal - Corporate Logo
T#:25507142
Part#: SPL185TS
Back Ordered
$ 44.99 USD
Free Shipping on orders $49 and up
This part replaces faulty thermo-switches found in Spal electric fan conversion kits.
URO Water Pump - BMW N52 3.0L
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:39768338
Part#: 11517586925
In Stock
$ 296.99 USD
Free Shipping on orders $49 and up
If your engine is over heating or you have noticed coolant loss, there is a chance your water pump has failed. This URO replacement is a great option to get your BMW back on the road without breaking the bank.
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Mishimoto - Corporate Logo
T#:51075086
Part#: MMTS-E46-99E
In Stock
$ 91.99 USD
Free Shipping on orders $49 and up
The Mishimoto Thermostat Assembly focuses on precision fitment and long-term durability.
Bav Auto Angled Hose Pinch Plier Set - 2pc
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580379
Part#: B8800058
In Stock
Sale - Save 25% $ 32.99

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

$ 24.74 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 32.99

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

$ 24.74 USD
Free Shipping on orders $49 and up
Angled jaws close, creating a complete seal every time you use them - the jaws are offset, making it possible to use in hard-to-reach locations. Made of glass-filled nylon for extra strength. These are perfect for use with brake lines, etc.
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Water Pipe - M54 E46 E58 E83
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:36981061
Part#: 11537502000
In Stock
Sale - Save 15% $ 36.99

This product was last offered at the strikethrough price on
09-16-2026

$ 31.44 USD
Free Shipping on orders $49 and up
Sale - Save 15%
$ 36.99

This product was last offered at the strikethrough price on
09-16-2026

$ 31.44 USD
Free Shipping on orders $49 and up
Water pipes play a crucial role in maintaining proper engine cooling. If cracked, they must be replaced immediately to prevent engine overheating. This water pipe runs from the rear of the water pump housing to the expansion tank hose. It comes complete with all necessary seals for a hassle-free installation.
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Water Pipe
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:594365
Part#: 11537502000
In Stock
$ 39.99 USD
Free Shipping on orders $49 and up
Water pipes 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. This water pipe runs from the back of the water pump housing to the expansion tank hose. Includes all required seals, needed for the install.
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Mishimoto - Corporate Logo
T#:19593926
Part#: MMOCULT
In Stock at Vendor
$ 599.99 USD
Free Shipping on orders $49 and up

Enhance your BMW's performance and protect its engine with this high-quality oil cooler kit

Even under ideal driving conditions, elevated oil temperatures can lead to decreased lubrication efficiency and pressure. With this oil cooler, you can maintain optimal oil temperatures for peak driving performance.

Kit Includes:

  • Four feet of stainless braided line for durability
  • Adapter fittings for easy installation
  • Oil filter sandwich adapter for seamless integration

Specifications:

  • Rows: 19
  • Overall Dimensions: 13" x 5.5" x 2"
  • Core Dimensions: 11.25" x 5.5" x 2"
  • Braided Hoses: 4ft .75 inch & 4ft 9 inch
  • Braided Hose Fittings: -10AN
  • Sandwich Plate Fittings: -10AN
  • Includes Thermostat for precise temperature and flow control

*WARNING: This product may be subject to Proposition 65 regulations in California. For more information, visit www.P65Warnings.ca.gov.

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Radiator Hose - Lower
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:30729026
Part#: 17123413819
In Stock
$ 46.99

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

$ 34.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 46.99

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

$ 34.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up


URO Lower Radiator Hose - E83 - N52
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:55821698
Part#: 17123424499
Ships in 2 Business Days
New Item
$ 33.99 USD
Free Shipping on orders $49 and up
This URO molded lower hose is engineered from advanced Electro-Chemical Degradation (ECD) resistant material, preventing interior breakdown and future leaks
Rein Coolant Inlet Hose Section - E82, E83, E88, E90, E91, E92, E93 ...
For vehicles with manual transmission
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:388668
Part#: 11537535829
In Stock at Vendor
$ 20.99 USD
Free Shipping on orders $49 and up
$ 20.99 USD
Free Shipping on orders $49 and up
Replaces the rubber section of the water pump inlet pipe - includes two clamps
Gates - Corporate Logo
T#:363924
Part#: 11533400207
In Stock at Vendor
$ 70.99 USD
Free Shipping on orders $49 and up
Aftermarket replacement

Rein Cylinder Head To Thermostat Hose - E83
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:591814
Part#: 11537552339
Ships in 2 Business Days
$ 37.06

This product was last offered at the strikethrough price on
08-26-2026

$ 33.74 USD
Free Shipping on orders $49 and up
$ 33.74 USD
Free Shipping on orders $49 and up
Replace your leaking coolant hose

Rein Radiator Hose - Automatic Transmission - E83
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:19573
Part#: 17123417607
Ships in 4 Business Days
$ 36.99 USD
Free Shipping on orders $49 and up
Over the years and with exposure to extremely hot coolant, the coolant hoses in your vehicle can take a beating. Being made of reinforced rubber, these hoses can fail in a number of ways. Splitting at a hose clamp, swelling, cracking, and breaking are just a few of the ways this hose can leave you stranded. Replace it at the first sign of wear to keep your coolant in your engine.
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ATD Tools - Corporate Logo
T#:3657943
Part#: ATD3601
Ships in 2 Business Days
$ 59.99 USD
Free Shipping on orders $49 and up
Always have extra o-rings

Graf - Corporate Logo
T#:42672212
Part#: 11517586925
Ships in 2 Business Days
$ 416.10

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

$ 305.13 USD
Free Shipping on orders $49 and up
$ 305.13 USD
Free Shipping on orders $49 and up
Don't take your car's cooling system for granted. A waterpump failure can cost you an engine, which is why we suggest preventively replacing your BMW's waterpump and refreshing the cooling system every 60,000 miles.
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URO - Corporate Logo
T#:50031879
Part#: 17112248409
Ships in 2 Business Days
$ 40.99 USD
Free Shipping on orders $49 and up
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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Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:592656
Part#: 64213400417
Ships in 2 Business Days
$ 20.99 USD
Free Shipping on orders $49 and up
Connects the expansion tank to the heater core

Gear Wrench - Corporate Logo
T#:387079
Part#: KDT3977
Ships in 2 Business Days
$ 53.99 USD
Free Shipping on orders $49 and up
This tool is a variation of our popular 3976 Flat Band Hose Clamp Pliers and features 45º jaws with swivel tips to grip at any angle and pliers that latch securely in position.
OEM Rein Lower Radiator Hose - E83 N52 3.0L
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379822
Part#: 17123422785
In Stock at Vendor
$ 37.99 USD
Free Shipping on orders $49 and up
Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.
MMX Performance - Corporate Logo
T#:29002094
Part#: MMR03-1502
Ships in 3 Business Days
$ 127.99 USD
Free Shipping on orders $49 and up
The MMX Performance 90mm billet coolant expansion cap for BMWs has been designed from the ground up in the UK, from a solid piece of billet aluminum. Each cap was designed to directly replace the OE cap, not merely stuck in place. Fitment is for models with the matching OE (17 11 7 639 021) part number.
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Coolant Hose - Cylinder Head to T-Stat Housing
2X Entries Into Our F80 M3 Sweepstakes
URO Premium - Corporate Logo
T#:587667
Part#: 11537552339PRM
Ships in 2 Business Days
$ 27.99 USD
Free Shipping on orders $49 and up
Replace your leaking coolant hose
Genuine BMW - Corporate Logo
T#:7453
Part#: 17112248409
Ships in 1-2 days
2% off MSRP $ 63.99

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

$ 62.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 63.99

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

$ 62.99 USD
Free Shipping on orders $49 and up


Genuine BMW Coolant Connection Fitting -
This item fits the following BMW Chassis:
E83 X3,E85,E86

Fits BMW Engines including:
M54,N52,N52N

Genuine BMW - Corporate Logo
T#:13187
Part#: 17117530254
Ships in 5 Business Days
4% off MSRP $ 55.99

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

$ 53.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 55.99

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

$ 53.99 USD
Free Shipping on orders $49 and up
Engineered to official BMW standards, this high strength plastic bracket locks the radiator into place while allowing necessary thermal movement, preventing stressed hose fittings or fatigue on radiator core seams. Ideal for cooling system overhauls, front end repairs, or replacing aged hardware, this genuine service part restores structural integrity to your front end cooling setup.
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Bremmen Parts Heater Hose - Supply - E83
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:1195974
Part#: 64213400415
Ships in 1-2 days
Sale - Save 5% $ 43.85

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

$ 41.66 USD
Free Shipping on orders $49 and up
Sale - Save 5%
$ 43.85

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

$ 41.66 USD
Free Shipping on orders $49 and up
Feeds coolant from the engine to the heater valve.

Genuine BMW - Corporate Logo
T#:45889
Part#: 17117514400
Ships in 1-2 days
4% off MSRP $ 23.99

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

$ 22.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 23.99

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

$ 22.99 USD
Free Shipping on orders $49 and up


Genuine BMW Gasket Right
This item fits the following BMW Chassis:
E85 Z4M,E83 X3,E85 Z4,E86 Z4

Fits BMW Engines including:
M54,N51,N52,N52N,S54

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Genuine BMW - Corporate Logo
T#:45927
Part#: 17117545783
Ships in 1-2 days
4% off MSRP $ 26.99

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

$ 25.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 26.99

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

$ 25.99 USD
Free Shipping on orders $49 and up


Genuine BMW Radiator Adjusting Screw, Automatic -
This item fits the following BMW Chassis:
E83 X3,E85,E86

Fits BMW Engines including:
N52,N52N

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Genuine BMW - Corporate Logo
T#:361022
Part#: 11517586925
Ships in 1-2 days
8% off MSRP $ 828.99

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

$ 758.99 USD
Free Shipping on orders $49 and up
8% off MSRP
$ 828.99

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

$ 758.99 USD
Free Shipping on orders $49 and up
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 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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Heater Inlet Pipe
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:594084
Part#: 11531705210
Ships on Oct 14, 2026
$ 47.46 USD
Free Shipping on orders $49 and up
Runs from the front left side of the engine to the heater inlet

CTA Tools - Corporate Logo
T#:641760
Part#: CTAA878
Ships on Oct 14, 2026
$ 23.57 USD
Free Shipping on orders $49 and up
Use to remove and install Fan Clutch Assemblies when replacing Water Pumps or doing other Engine Services

Bremmen Parts Water Pipe Connector - E83, Z4
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:1195932
Part#: 17112248409
Ships on Oct 14, 2026
Sale - Save 3% $ 31.61

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

$ 30.66 USD
Free Shipping on orders $49 and up
Sale - Save 3%
$ 31.61

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

$ 30.66 USD
Free Shipping on orders $49 and up
Located underneath the expansion tank
BMW Radiator Expansion Tank Pressure Fitting
Requires the use of a Motive Power Bleeder, sold separately
Motive - Corporate Logo
T#:380462
Part#: 1175
Ships in 7 Business Days
$ 24.99 USD
Free Shipping on orders $49 and up
Allows you to check for leaks in the coolant system
Enthusiast Bundles - Corporate Logo
T#:37419798
Part#: 008363LA02EB1KT
Ships on Dec 10, 2026
Sale - Save 24% $ 1,055.95

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

$ 799.04 USD
Free Shipping on orders $49 and up
Sale - Save 24%
$ 1,055.95

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

$ 799.04 USD
Free Shipping on orders $49 and up

Take your BMW’s cooling system to the next level with this Turner Motorsport Cooling Upgrade Kit. Featuring a Heavy-Duty Aluminum Expansion Tank and a Mechanical Thermostat Conversion Kit, this combo is engineered to deliver ultimate reliability and superior performance for M52TU/M54 engines. Say goodbye to the cooling system failures common in stock setups—Turner Motorsport has you covered.

Turner Motorsport M52TU/M54 Heavy-Duty Expansion Tank Kit

The Turner Motorsport Aluminum Expansion Tank is a premium upgrade designed to replace the fragile factory plastic tank, which is known to crack, leak, or even explode. Crafted for durability, this tank’s all-aluminum construction with wrinkle black powder coating ensures this is the last expansion tank you’ll ever need.

Why Upgrade? The factory plastic tanks on BMW M52TU/M54 engines are notorious for failure under heat and pressure. Avoid the risk of being stranded on the side of the road with a mess of coolant—Turner Motorsport’s aluminum expansion tank is built to withstand years of demanding use and intense heat cycles.

Key Features and Benefits:

Complete Kit: Includes Turner Aluminum Expansion Tank, coolant level sensor, expansion tank cap, and flared coolant pressure release line. OEM Fit & Capacity: Direct fit with no modifications, maintains stock coolant capacity and expansion volume. Baffled Design: Prevents air pockets during aggressive driving and ensures accurate coolant level readings. Premium Construction: TIG-welded 5052 aluminum with machined fittings for factory hose compatibility. Turner Motorsport M52TU/M54 Mechanical Thermostat Conversion Kit

Replace your problematic factory plastic thermostat housing with Turner Motorsport’s high-quality billet aluminum Thermostat Conversion Kit. This upgrade not only provides increased reliability but also allows for thermostat swaps to suit specific temperature requirements, making it ideal for daily drivers and track cars alike.

Why Make the Switch? The factory plastic thermostat housing with its built-in thermostat is prone to cracking and requires the whole unit to be replaced during maintenance. Turner’s conversion kit changes the game by providing a durable billet housing with a replaceable thermostat for flexibility and lower maintenance costs.

Key Features and Benefits:

Increased Reliability: Uses an M50/S50 mechanical thermostat, including an 80°C thermostat for enhanced cooling control. Customizable: Includes barbed hose connections for standard E46 M3 hoses and -16 ORB connections for custom hoses. Engineered to Last: CNC-machined from billet 6061 aluminum and black anodized for corrosion resistance. Enhanced Sealing: Features a Viton gasket for superior durability and sealing performance. Kit Includes:

6061 Billet Aluminum Thermostat Housing 80°C Mechanical Thermostat Thermostat Housing Gasket Thermostat Harness ECS Silicone E46 M3 Cooling Hoses Turner Motorsport Precision Engineering & Product Development

Every component in this cooling upgrade kit has been rigorously designed, engineered, and tested by Turner Motorsport’s Research and Development team. Using state-of-the-art technology such as FARO laser scanning, SolidWorks 3D modeling, and in-house rapid prototyping, Turner ensures that these products meet the highest standards of quality, precision, and durability.

Upgrade your BMW with confidence—Turner Motorsport is your partner in performance and reliability.

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Water Pump and Seal - with upgraded metal impeller - MEYLE
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Meyle - Corporate Logo
T#:579324
Part#: 11517509985
Ships on Oct 14, 2026
$ 52.99 USD
Free Shipping on orders $49 and up

Ensure the optimal performance of your BMW by addressing the crucial component of the water pump. Turner Motorsport provides high-quality water pumps designed to keep coolant flowing smoothly. If left unchecked, a failing water pump can lead to overheating issues, potentially causing damage to engine internals. Common among German vehicles, water pump failure may result in unnecessary visits to the repair shop. Preventive maintenance, especially during timing belt replacements, is essential to avoid rapid coolant temperature rise and potential engine damage.

  • Prevents overheating issues
  • Guards against engine damage
  • Common replacement during timing belt maintenance
  • Ensures smooth coolant flow for optimal engine performance
  • Options for thermostats available on Turner Motorsport's website
  • Convenient coolant replacement options
  • Recommended replacement around 60,000 miles
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OEM Rein Lower Radiator Hose - E83 X3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379773
Part#: 17123424499
Back Ordered
$ 36.99 USD
Free Shipping on orders $49 and up
Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.