BMW Cooling System Parts & Accessories for BMW 5 Series E34 (1987-1995)

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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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Performance Water Pump & Thermostat Kit - BMW M50 M52
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:30397440
Part#: 11517527799KT2
In Stock
$ 357.99

This product was last offered at the strikethrough price on
06-15-2026

$ 343.99 USD
Free Shipping on orders $49 and up
$ 343.99 USD
Free Shipping on orders $49 and up

BMW vehicles are known for their robust performance, but the water pump is a notorious weak spot, often needing replacement every 60,000 miles.

During this service, it's wise to also swap out the thermostat to maintain the efficiency of your vehicle's cooling system. Turner Motorsport simplifies this process with our expertly curated Water Pump & Thermostat Replacement Kit.

This premium kit centers around the renowned EMP Stewart high-performance water pump--a favorite among BMW enthusiasts for its exceptional design. Featuring a stainless steel impeller, this pump enhances coolant flow by 20%. Complementing this is a low-temperature 68°C (154.4°F) Mishimoto thermostat, an upgraded aluminum thermostat housing, and Redline Water Wetter coolant additive. Together, these components make for the ultimate cooling system upgrade for your E36, E39, or Z3!

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Basic Cooling System Service Kit - E34 525i M50 2.5L
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:557231
Part#: E34525BCKT
Ships in 10 Business Days
Sale - Save 6% $ 248.99

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

$ 235.13 USD
Free Shipping
Sale - Save 6%
$ 248.99

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

$ 235.13 USD
Free Shipping

Just like the rest of your vehicle's major systems, the cooling system must also be addressed periodically to ensure proper cooling and component reliability. Plastic and rubber components become brittle and prone to splitting or cracking after long periods of heating and cooling cycles, especially in colder climates! The coolant itself can degrade or become contaminated, leading to potential corrosion or freezing issues. Finally, thermostats and sensors can fail completely, preventing proper cooling and/or coolant temperature readings to become inaccurate.

To make sure you are not left stranded on the side of the road with an overheated engine, we have put together this Basic Cooling System Service kit. This kit contains all of the most-likely-to-fail components, giving you peace of mind knowing your engine will continue to run cool for another 60,000+ miles.

See kit contents below for all included components.

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Thermostat Replacement Kit - E28, E30, E34 M20B25/27
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:41289770
Part#: 11531730470TKT
Ships in 3 Business Days
Sale - Save 22% $ 93.99

This product was last offered at the strikethrough price on
06-08-2026

$ 73.38 USD
Free Shipping on orders $49 and up
Sale - Save 22%
$ 93.99

This product was last offered at the strikethrough price on
06-08-2026

$ 73.38 USD
Free Shipping on orders $49 and up
This BMW Thermostat Replacement Kit is the go-to choice for preserving the performance and reliability of your classic M20-powered BMW—keeping your engine running cool and smooth mile after mile.
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Water Pump - E34 530i 540i E32 740i/il
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:338251
Part#: 11510007042X
Ships in 6 Business Days
Starting at $ 470.99 USD
Free Shipping
Starting at $ 470.99 USD
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Don't take your car's cooling system for granted! One of the biggest weak points is the cooling system. Replacing your waterpump will go a long way for keeping your car on the road and operating properly.

This item fits the following BMWs:
1992-1995 E34 BMW 530i 540i
1992-1994 E32 BMW 740i 740ill
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Genuine BMW - Corporate Logo
T#:1474
Part#: 82141467704
In Stock
7% off MSRP $ 29.95

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

$ 27.97 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 29.95

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

$ 27.97 USD
Free Shipping on orders $49 and up
The use of Original BMW Anti-Freeze/Coolant will ensure sufficient cooling in summer and protection against freeze-ups in winter. BMW Antifreeze/Coolant will also guard your vehicle's various engine components against corrosion.
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Geba - Corporate Logo
T#:341052
Part#: 11517527910
In Stock
$ 67.99

This product was last offered at the strikethrough price on
04-21-2026

$ 62.99 USD
Free Shipping on orders $49 and up
$ 62.99 USD
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The early M50/M52 engines had a serious weak point: the water pump. BMW originally used a plastic impeller in the waterpump. This would degrade over time and eventually break apart. Your car overheats immediately. This water pump is an updated one with a metal impeller. BMW has since released a water pump with a composte impeller that does not have the same issues and is just as reliable as the metal impeller version. But for piece of mind, the metal impeller is tough to beat.

Geba builds all of their pumps to exceed factory specifications by using a metal impeller. This offers a huge improvement over stock and a massive increase in reliability. Servicing all major European models, Geba has you covered when it comes time for a new water pump.

This waterpump fits the following BMWs:
1999-2006  E46 BMW  323i, 323Ci, 328i, 328Ci, 325i, 325Ci, 325xi, 330i, 330Ci, 330xi
1997-2003  E39 BMW  528i, 525i, 530i
2004-2010  E83 BMW  X3 2.5i & 3.0i
2000-2006  E53 BMW  X5 3.0i
1997-2002  Z3 BMW  Z3 2.8, Z3 2.5, Z3 3.0, MZ3 (S52)
2003-2005  E85 BMW  Z4 2.5i & Z4 3.0i
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Mahle-Behr - Corporate Logo
T#:341062
Part#: 11537511580
In Stock
$ 27.99 USD
Free Shipping on orders $49 and up

The thermostat regulates the temperature of your coolant. At a predetermined temperature the thermostat will open to let coolant flow to the radiator and be cooled by airflow or the fan. Over time the thermostat will become stuck open or closed, leading to a variety of issues. A closed thermostat will never allow the coolant to reach the radiator and be cooled. Hot coolant will continue to circulate through the engine and absorb even more heat until boiling and the system overheats. An open thermostat is not as bad but is still not ideal - the coolant is always cool, with the temp needle always reading in the cool range. This tells the ECU to richen the fuel mixture to bring the car up to normal operating temp. So your fuel mileage decreases and the car runs rich.

Replacing the thermostat is an easy but messy job. This thermostat includes the main o-ring (but a housing gasket may be required). Consider replacing the housing and any associated temp sensors while you're in there. The cooling system will need to be bled after.

Most of the engines from the mid-1980s through the 1990s use the same thermostat design and they are interchangeable among the different temperatures. This is the 88* thermostat, towards the top of the range. However, keep in mind that BMW spent a lot of time engineering the cooling system to work in all kinds of conditions and changing thermostat temperature is not recommended to fix any failures in the cooling system.

Hailing from Stuttgart, Mahle-Behr specializes in automotive cooling systems. From air conditioning to engine cooling M-B has you covered with OE-quality replacement parts.

This thermostat fits the following BMWs:
1977-1983 E21 BMW 323i
1986-1991 E30 BMW 318is 318ic 325e 325es 325i 325ic 325is 325ix
1992-1999 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1982-1988 E28 BMW 528e
1986-1988 E28 BMW 535i
1989-1995 E34 BMW 525i 535i
1997-1998 E39 BMW 528i
1986-1989 E24 BMW 635csi
1988-1994 E32 BMW 735i 735il
1997-2000 Z3 BMW Z3 2.8 M Roadster M Coupe

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Mahle-Behr - Corporate Logo
T#:2199
Part#: 11531713040
Ships in 1-3 days
$ 36.00

This product was last offered at the strikethrough price on
04-25-2026

$ 35.99 USD
Free Shipping on orders $49 and up
$ 35.99 USD
Free Shipping on orders $49 and up
The thermostat regulates the temperature of your coolant. At a predetermined temperature the thermostat will open to let coolant flow to the radiator and be cooled by airflow or the fan. Over time the thermostat will become stuck open or closed, leading to a variety of issues. A closed thermostat will never allow the coolant to reach the radiator and be cooled. Hot coolant will continue to circulate through the engine and absorb even more heat until boiling and the system overheats. An open thermostat is not as bad but is still not ideal - the coolant is always cool, with the temp needle always reading in the cool range. This tells the ECU to richen the fuel mixture to bring the car up to normal operating temp. So your fuel mileage decreases and the car runs rich.

Replacing the thermostat is an easy but messy job. This thermostat includes the main o-ring (but a housing gasket may be required). Consider replacing the housing and any associated temp sensors while you're in there. The cooling system will need to be bled after.

Most of the engines from the mid-1980s through the 1990s use the same thermostat design and they are interchangeable among the different temperatures. This is the 80* thermostat, towards the lower end of the range. However, keep in mind that BMW spent a lot of time engineering the cooling system to work in all kinds of conditions and changing thermostat temperature is not recommended to fix any failures in the cooling system.

This thermostat fits the following BMWs:
1977-1983 E21 BMW 323i
1986-1991 E30 BMW 318is 318ic 325e 325es 325i 325ic 325is 325ix
1992-1999 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1982-1988 E28 BMW 528e
1986-1988 E28 BMW 535i
1989-1995 E34 BMW 525i 535i
1997-1998 E39 BMW 528i
1986-1989 E24 BMW 635csi
1988-1994 E32 BMW 735i 735il
1997-2000 Z3 BMW Z3 2.8 M Roadster M Coupe
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Aluminum Thermostat Housing - E34, E36, Z3
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:579865
Part#: 54402
In Stock
Sale - Save 22% $ 25.99

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

$ 20.39 USD
Free Shipping on orders $49 and up
Sale - Save 22%
$ 25.99

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

$ 20.39 USD
Free Shipping on orders $49 and up
The plastic thermostat cover in your BMW is a known point of failure. Throughout the years of repeated contact with hot coolant, the plastic can crack and cause massive coolant leaks and potential overheating.
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URO Premium - Corporate Logo
T#:14587
Part#: 11531722531
In Stock
$ 21.99 USD
Free Shipping on orders $49 and up
$ 21.99 USD
Free Shipping on orders $49 and up
The plastic thermostat cover in your BMW is a known point of failure. Throughout the years of repeated contact with hot coolant, the plastic can crack and cause massive coolant leaks and potential overheating. Eliminate one of the weak links in your cooling system with a replacement aluminum thermostat housing. By installing this aluminum unit, you have no worries as far as plastic housing cracks go. This is the last thermostat housing you will need to put on your vehicle.
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Genuine BMW - Corporate Logo
T#:207187
Part#: 17117639022
In Stock
21% off MSRP $ 34.96

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

$ 27.67 USD
Free Shipping on orders $49 and up
21% off MSRP
$ 34.96

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

$ 27.67 USD
Free Shipping on orders $49 and up


Genuine BMW Radiator Cap - 2,0Bar
This item fits the following BMW Chassis:
E36 M3,E39 M5,E46 M3,E85 Z4M,E53 48IS,E36,E38,E39,E46,E53 X5,E65,E83 X3,E85 Z4,E86 Z4,F06,F10,F12,F13

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URO Radiator Fan Clutch
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:362006
Part#: 11527505302
In Stock
$ 72.99 USD
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$ 72.99 USD
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Common source of engine overheating
Meyle Radiator Fan Clutch - E12, E24, E28, E30, E34, E36, Z3 ...
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Meyle - Corporate Logo
T#:384584
Part#: 11521723918
In Stock
$ 108.99

This product was last offered at the strikethrough price on
06-22-2026

$ 93.99 USD
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$ 93.99 USD
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Quality aftermarket replacement
Engine Fan - 11 Blades, 420mm - Many 6 Cylinders
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:1287
Part#: 11521712058
In Stock
$ 32.19 USD
Free Shipping on orders $49 and up
This fan is driven by the serpentine belt, engaged by the fan clutch. If you have bad motor mounts, it's quite common for the blades of this fan to make contact with the radiator or radiator shroud, essentially self-destructing the fan into many peices. Be sure to get a new fan clutch, while you are replacing this. 
With more than 4,000 European vehicle replacement parts, URO is no stranger to the market. Superior metal stock and extremely strict quality control are at the forefront of URO’s agenda and it shows as they become the OE supplier for more and more car companies every single day.

This fan fits many 6 cylinder BMWs, including the following:

1989-1994 E32 735i/iL
1991-1995 E34 525i, 535i, M5
1992-1999 E36 3 series with 6 cylinder engine (M3, 325, 328, 323)
1997-2002 Z3 2.3, 2.5, 2.8, 3.0, and MZ3 3.2 (S52)
1997-2003 E39 5 series, 525i, 528i, 530i
1999-2000 E46 3 series 323i/Ci, 328i/Ci
2001-2005 E46 3 series WITH AUTOMATIC TRANSMISSION ONLY
2001-2006 E46 M3 (all):
2001-2006 X5 3.0i
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Bosch - Corporate Logo
T#:7259
Part#: 13621709967
In Stock
$ 24.23 USD
Free Shipping on orders $49 and up
$ 24.23 USD
Free Shipping on orders $49 and up

To make sure your temperature readings are as accurate as possible, replace your temperature sensor with a high quality OEM Bosch temperature sensor.

OEM replacement for BMW part # 13621709967, 13621709966, and 13621284397. Bosch coolant temperature sensor mounted in the cylinder head on models with the M42, M50 and S50 engines.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!


This item fits the following BMWs:
1988-1991 E30 BMW 318i 318is 318ic M3
1992-1995 E36 BMW 318i 318is 318ti 318ic 325i 325is 325ic M3
3/1987-1988 E28 BMW 528e
1985-1988 E28 BMW535i 535is M5
1989-1995 E34 BMW 525i 535i M5
1985-1989 E24 BMW 635csi M6
1984-1987 E23 BMW 735i
1988-1992 E32 BMW 735i 735il

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Genuine BMW - Corporate Logo
T#:360691
Part#: 11537511580
Ships in 4 Business Days
3% off MSRP $ 59.99

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

$ 57.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 59.99

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

$ 57.99 USD
Free Shipping on orders $49 and up
Mahle-Behr - Corporate Logo
T#:340540
Part#: 11527831619
In Stock
$ 298.99

This product was last offered at the strikethrough price on
08-17-2026

$ 172.99 USD
Free Shipping
$ 172.99 USD
Free Shipping

This OEM Hella/Mahle-Behr engine fan clutch fits BMW E46 M3, Z3 M Roadster, M Coupe 2001-2002, E34 535i & M5, and E32 735i 735il. Made to the same or higher standards of quality as the genuine part, ensuring proper fan control and cooling. Failed fan clutches can result in overheating due to the fan not spinning fast enough to deal with excess heat or can cause poor engine performance when a clutch has locked up causing the fan to be fully engaged permanently.

Hella is a premium manufacturer that supplies automotive parts to numerous car brands across the world. Everything from electrical to mechanical genuine parts have been made and supplied directly to BMW before the vehicles ever leave the production floor. Their high quality, long lasting parts have made them a trusted brand chosen to help keep your BMW on the road for many years to come.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This item fits the following BMWs:
2001-2006 E46 BMW M3
1989-1993 E34 BMW 535i M5
1988-1992 E32 BMW 735i 735il
2001-2002 Z3 BMW M Roadster M Roadster

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Hepu - Corporate Logo
T#:369443
Part#: 11517527910
In Stock
$ 68.50 USD
Free Shipping on orders $49 and up
Due to high failure rate on BMW water pumps, we recommend replacement every 60,000 mile interval. Hepu's replacement water pump 11517527910 features a durable metal impeller, while the more expensive Genuine BMW utilizes a high failure plastic impeller.
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Radiator Fan Clutch
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373088
Part#: 11527831619
In Stock
$ 71.83 USD
Free Shipping on orders $49 and up
Direct replacement

Thermostat Housing
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:392721
Part#: 11531730470
Ships in 1 Business Day
$ 39.99 USD
Free Shipping on orders $49 and up

This is a quality aftermarket replacement aluminum thermostat housing for cars with the M20 6 cylinder engine - 325e, 325i, 528e, 525i. This is the side of the housing that mounts to the cylinder head and has openings for the various coolant / engine temperature sensors. There are 4 ports for sensors so check your existing housing for the sensor layout.

If you're looking for a Genuine BMW factory replacement part, Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.
 

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Graf - Corporate Logo
T#:368839
Part#: 11517527910
In Stock
$ 76.69

This product was last offered at the strikethrough price on
05-11-2026

$ 70.65 USD
Free Shipping on orders $49 and up
$ 70.65 USD
Free Shipping on orders $49 and up
Due to high failure rate on BMW water pumps, we recommend replacement every 60,000 mile interval. Graf's replacement water pump 11517527910 features a durable metal impeller, while the more expensive Genuine BMW utilizes a high failure plastic impeller.
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Mahle - Corporate Logo
T#:341209
Part#: 11537835558
Ships in 1 Business Day
$ 74.00

This product was last offered at the strikethrough price on
06-05-2026

$ 61.49 USD
Free Shipping on orders $49 and up
$ 61.49 USD
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Includes sealing o-ring
Mahle-Behr - Corporate Logo
T#:340539
Part#: 11527505302
In Stock
$ 238.99

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

$ 175.99 USD
Free Shipping
$ 175.99 USD
Free Shipping
This clutch engages the belt-driven engine fan when the engine is warm/hot, and dis-engages the fan when cold/cool. These commonly fail, causing the engine fan to not spin fast enough (or at all) when your car is stopped in traffic, causing engine to overheat.

This fan clutch fits many 6 cylinder BMWs, including the following::

1992-1998  E36 BMW  323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005  E46 BMW  323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi - Automatic Transmission
1991-1995  E34 BMW  525i 535i M5
1997-2003  E39 BMW  525i 528i 530i
1988-1994  E32 BMW  735i 735il
1997-2002  Z3 BMW  Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
1998-2000  Z3 BMW  M Roadster M Coupe (s52)
2000-2006  E53 BMW  X5 3.0i
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Wahler - Corporate Logo
T#:594831
Part#: 11531713040
Ships in 1-2 days
$ 49.61

This product was last offered at the strikethrough price on
08-13-2026

$ 36.99 USD
Free Shipping on orders $49 and up
$ 36.99 USD
Free Shipping on orders $49 and up
Coolant Level Sensor - E30 87-91, E32 E34
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:1728
Part#: 61311378320
In Stock
$ 26.17

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

$ 23.99 USD
Free Shipping on orders $49 and up
$ 23.99 USD
Free Shipping on orders $49 and up

Coolant level sensor for most E30, E32, and E34 cars. Fits E30 M3 and all E30 325's; E32 735, 740, and 750; and E34 530, 535, 540, and M5. 

Since the late 1800’s Febi has been fabricating replacement metal parts. This history is self evident in the quality and vast amount of applications they service. With more than 34,000 repair solutions for cars and commercial vehicles you can be sure Febi has you covered.

This item fits the following BMWs:
1987-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325is 325ic 325xi M3
1989-1995 E34 BMW 530i 535i 540i M5
1987-1989 E24 BMW 635csi M6
1988-1994 E32 BMW 735i 735il 740i 740il 750il

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Genuine BMW - Corporate Logo
T#:384985
Part#: 17137639023
In Stock
$ 21.99 USD
Free Shipping on orders $49 and up
$ 21.99 USD
Free Shipping on orders $49 and up

Radiator Fan Switch
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:361996
Part#: 61311378073
Ships in 1 Business Day
$ 26.44 USD
Free Shipping on orders $49 and up
$ 26.44 USD
Free Shipping on orders $49 and up
Measures radiator air temperature enabling the fan to turn off or on

Genuine BMW - Corporate Logo
T#:367835
Part#: 13541719967
In Stock
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

Upgrade your BMW E30 or E34 M20 2.5L engine with this Genuine BMW Coolant Hose. Crafted to exacting standards, this hose ensures optimal performance and durability for your vehicle. Say goodbye to leaks and overheating issues with this high-quality replacement part. Keep your BMW running smoothly and efficiently with this essential component.

  • Genuine BMW part for perfect fit and function
  • Crafted to exacting standards for durability
  • Prevents leaks and overheating
  • Ensures optimal engine performance
  • Compatible with BMW E30 and E34 M20 2.5L engines
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Geba - Corporate Logo
T#:3451
Part#: 11511719836
Ships in 4 Business Days
$ 72.99

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

$ 70.99 USD
Free Shipping on orders $49 and up
$ 70.99 USD
Free Shipping on orders $49 and up
This water pump fits BMWs with the M20 6 cylinder engine.

Geba builds all of their pumps to exceed factory specifications by using a metal impeller. This offers a huge improvement over stock and a massive increase in reliability. Servicing all major European models, Geba has you covered when it comes time for a new water pump.

This water pump fits the following BMWs:
1988-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
1988 E28 BMW 528e
1989-1990 E34 BMW 525i
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Hepu - Corporate Logo
T#:594805
Part#: 11519070761
In Stock at Vendor
$ 99.99

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

$ 84.99 USD
Free Shipping on orders $49 and up
$ 84.99 USD
Free Shipping on orders $49 and up
Genuine BMW - Corporate Logo
T#:360679
Part#: 11531722531
Ships in 1-2 days
4% off MSRP $ 76.99

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

$ 73.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 76.99

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

$ 73.99 USD
Free Shipping on orders $49 and up

Genuine BMW - Corporate Logo
T#:360663
Part#: 11521712110
In Stock
3% 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.

$ 101.99 USD
Free Shipping
3% 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.

$ 101.99 USD
Free Shipping

Hudson - Corporate Logo
T#:46203522
Part#: 11531741202
Ships in 1 Business Day
$ 31.99 USD
Free Shipping on orders $49 and up
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
Genuine BMW - Corporate Logo
T#:12638
Part#: 11531730470
In Stock
3% off MSRP $ 151.99

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

$ 146.99 USD
Free Shipping
3% off MSRP
$ 151.99

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

$ 146.99 USD
Free Shipping

This is the stock aluminum thermostat housing for cars with the M20 6 cylinder engine - 325e, 325i, 528e, 525i. This is the side of the housing that mounts to the cylinder head and has openings for the various coolant / engine temperature sensors. There are 4 ports for sensors so check your existing housing for the sensor layout.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.
 

This item fits the following BMWs:
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
5/1982-1988 E28 BMW 528e
1989-1990 E34 BMW 525i

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Thermostat Housing Cover
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:367144
Part#: 11531265059
Ships in 1 Business Day
$ 25.99 USD
Free Shipping on orders $49 and up
Replace your old or cracked thermostat cover
Wahler - Corporate Logo
T#:369466
Part#: 11537511580
Ships in 3 Business Days
$ 53.99

This product was last offered at the strikethrough price on
09-30-2026

$ 44.99 USD
Free Shipping on orders $49 and up
$ 44.99 USD
Free Shipping on orders $49 and up
Common point of failure in the cooling system.
Graf - Corporate Logo
T#:3452
Part#: 11519070761
In Stock
$ 64.13

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

$ 59.24 USD
Free Shipping on orders $49 and up
$ 59.24 USD
Free Shipping on orders $49 and up

5, 6, 7-series WaterPump (for cars with screw-on fan clutch)

Graf manufactures a wide range of cooling system repair parts for many European vehicle makes including BMW and Mini. With a sharp focus on quality materials and precision manufacturing, this company brings you high quality replacement parts that are meant for the long haul.

This item fits the following BMWs:
1980-1981 E12 BMW 528i
1982-1988 E28 BMW 533i 535i 535is
1989-1995 E34 BMW 535i
1982-1989 E24 BMW 633csi 635csi
1980-1987 E23 BMW 733i 735i
1988-1994 E32 BMW 735i 735il

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URO Fan Blade - BMW E3X
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373133
Part#: 11521712110
Ships in 1 Business Day
$ 33.99 USD
Free Shipping on orders $49 and up
Replace your fragile fan blades before they break and damage your radiator.

Graf - Corporate Logo
T#:1180754
Part#: 11519070759
Ships in 1-3 days
$ 63.11

This product was last offered at the strikethrough price on
05-11-2026

$ 58.32 USD
Free Shipping on orders $49 and up
$ 58.32 USD
Free Shipping on orders $49 and up
Includes gasket
Febi Thermostat Housing - E34, E36, Z3
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:381790
Part#: 11531722531
In Stock
$ 53.42

This product was last offered at the strikethrough price on
09-04-2026

$ 32.99 USD
Free Shipping on orders $49 and up
$ 32.99 USD
Free Shipping on orders $49 and up
Replacement plastic thermostat housing

Genuine BMW Coolant Temperature Sensor
For vehicles with production date up to 10/1992 For vehicles with production date from 09/1992
Genuine BMW - Corporate Logo
T#:376804
Part#: 13621709967
Ships in 1-2 days
6% off MSRP $ 82.99

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

$ 77.99 USD
Free Shipping
6% off MSRP
$ 82.99

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

$ 77.99 USD
Free Shipping
MTC - Corporate Logo
T#:359592
Part#: 11531730470
Ships in 7 Business Days
$ 33.99 USD
Free Shipping on orders $49 and up

This is the stock aluminum thermostat housing for cars with the M20 6 cylinder engine - 325e, 325i, 528e, 525i. This is the side of the housing that mounts to the cylinder head and has openings for the various coolant / engine temperature sensors. There are 4 ports for sensors so check your existing housing for the sensor layout.

Mission Trading Company is a worldwide leader in the manufacturing of European, Japanese and domestic auto parts. With factories around the world producing parts to the most stringent of standards MTC is there with the parts for your next project.


This item fits the following BMWs:
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
5/1982-1988 E28 BMW 528e
1989-1990 E34 BMW 525i

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Genuine BMW - Corporate Logo
T#:35828
Part#: 11531312241
Ships in 1-2 days
$ 47.50 USD
Free Shipping on orders $49 and up
This is the water hose that goes to the upper left opening on the radiator on US spec BMW E34 M5 with the 3.6 liter engine.

This item fits the following BMWs:
1991-1993 E34 BMW M5
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Febi - Corporate Logo
T#:377352
Part#: 11521723363
In Stock
$ 48.33

This product was last offered at the strikethrough price on
04-20-2026

$ 46.99 USD
Free Shipping on orders $49 and up
$ 46.99 USD
Free Shipping on orders $49 and up
This fan is driven by the belt, engaged by the fan clutch. If you have bad motor mounts, it's quite common for the blades of this fan to make contact with the radiator or radiator shroud, essentially self-destructing the fan into many peices. Be sure to get a new fan clutch, while you are replacing this. This item fits the following BMWs: 1988-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix 1992-1998 E36 BMW 318i 318is 318ti 318ic 1988 E28 BMW 528e 535i 535is M5 1989-1990 E34 BMW 525i 1988-1989 E24 BMW 635csi M6 1997-1998 Z3 BMW Z3 1.9
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Wahler - Corporate Logo
T#:54388511
Part#: 11537511580
Ships in 1 Business Day
New Item
$ 59.99 USD
Free Shipping on orders $49 and up
75°C variant is specifically calibrated for track racing, forced-induction builds, or hot-climate competitive environments
Auxiliary Fan Shroud
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373132
Part#: 17111712686
Ships in 1 Business Day
$ 29.99 USD
Free Shipping on orders $49 and up
The radiator fan shroud in your BMW surrounds the cooling fan blades. It concentrates ram and fan air flows through the radiator to improve heat transfer. It also protects anyone working beneath the hood from the spinning fan blades and water or debris the fan may sling when spinning.
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Genuine BMW - Corporate Logo
T#:45798
Part#: 17112227091
In Stock
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 Genuine BMW radiator expansion tank / cooling system reservoir is a direct replacement for the factory unit. If your expansion tank is leaking or cracked replace it today with this original BMW replacement part. Expansion tank cap and coolant level sensor sold separately.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1991-1993 E34 BMW M5 3.6 liter
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Genuine BMW - Corporate Logo
T#:360697
Part#: 11537835558
In Stock
3% off MSRP $ 147.99

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

$ 142.99 USD
Free Shipping
3% off MSRP
$ 147.99

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

$ 142.99 USD
Free Shipping