BMW Cooling System Parts & Accessories for BMW 5 Series E39 (1996-2003)

Genuine BMW Water Pump - E39 M5

T#:187274

Part#: 11511407113

Ships in 1-2 days

6% off MSRP $ 800.99

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

$ 753.99 USD

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6% off MSRP

$ 800.99

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

$ 753.99 USD

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Genuine BMW Coolant Pump, Mechanical
This item fits the following BMW Chassis:
E39 M5,E39

Fits BMW Engines including:
S62

Fan Clutch - E31, E32, E34, E38, E39 with M60/M62 V8

T#:374303

Part#: 11527502804

Ships in 2 Business Days

$ 367.99

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

$ 346.99 USD

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$ 346.99 USD

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This is the viscous fan clutch for the for the engine fan on M60/M62 V8 engines. When the engine is cool or even at normal operating temperature, the fan clutch partially disengages the engine's mechanically-driven radiator cooling fan. This saves power, since the engine does not have to fully drive the fan. If engine temperature rises above the clutch's engagement temperature setting, the fan becomes fully engaged, thus drawing a higher volume of ambient air through the vehicle's radiator, which in turn serves to maintain or lower the engine coolant temperature to an acceptable level.Typically, when the fan clutch fails the car with tend to overheat at idle or in slow moving traffic.

This item fits the following BMWs:
1993-1995 E34 BMW 530i 540i
1997-2003 E39 BMW 540i
1988-1994 E32 BMW 740i 740il 750il
1995-2001 E38 BMW 740i 740il 750il
1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi

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OEM Mahle-Behr Fan Clutch - E39 M5, Z8

T#:373957

Part#: 11527830486

Ships on Nov 2, 2026

$ 374.99 USD

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$ 374.99 USD

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This OEM Mahle-Behr fan clutch is a direct replacement for your original fan clutch. Has your fan clutch failed or is beginning to fail? A failing fan clutch will cause the engine fan to either not turn at all, or to turn very slowly and lifelessly, providing insufficient cooling for the radiator (especially noticeable while idling or in stop/go traffic).

This item fits the following BMWs:
1998-2003 E39 BMW M5
2000-2003 E52 BMW Z8 Roadster

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Cooling Fan Shroud

2X Entries Into Our F80 M3 Sweepstakes

T#:377273

Part#: 17101440252

In Stock

$ 42.59 USD

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$ 42.59 USD

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The cooling fan shroud is essential to creating the most pull of air flow through your radiator to keep your engine cool.

Spal Thermo-Switch - 185 Degree

T#:25507142

Part#: SPL185TS

Back Ordered

$ 44.99 USD

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$ 44.99 USD

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This part replaces faulty thermo-switches found in Spal electric fan conversion kits.

Genuine BMW Coolant Hose - E39 525i 528i 530i 540i M5

T#:368726

Part#: 64218367929

Ships in 1-2 days

3% off MSRP $ 35.99

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

$ 34.99 USD

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3% off MSRP

$ 35.99

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

$ 34.99 USD

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Trunk Tool Kit Water Pump Pliers - E36 E46 E30 E39

T#:11239

Part#: 71111179522

Ships in 1-2 days

4% off MSRP $ 47.99

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

$ 45.99 USD

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4% off MSRP

$ 47.99

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

$ 45.99 USD

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Missing a tool from your trunk mounted tool kit? Replace your missing water pump pliers with this Genuine BMW part. Having a complete tool kit is handy for quick repairs or it can save you in case of roadside failures. Also a complete tool kitis must when selling a car. If the tool kit is missing parts, what else has been neglected on the car?

This item fits the following BMWs:
1970-1976 2002 BMW 1600 2002 2002tii
1977-1983 E21 BMW 320i
1984-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix M3
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
1976-1978 E12 BMW 530i
1982-1988 E28 BMW 528e
1989-1995 E34 BMW 525i 530i 535i 540i M5
1997-2003 E39 BMW 525i 528i 530i 540i M5
1988-1994 E32 BMW 735i 735il 740i 740il 750il
1995-2001 E38 BMW 740i 740il 750il
1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
1996-2000 Z3 BMW M Roadster M Coupe
2000-2003 E52 BMW Z8 Roadster

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Genuine BMW Coolant Level Sensor

For vehicles with production date up to 09/1998

T#:360964

Part#: 61318360855

Ships in 1-2 days

2% off MSRP $ 92.99

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

$ 90.99 USD

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2% off MSRP

$ 92.99

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

$ 90.99 USD

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Genuine BMW Radiator Hose - E39 525i 528i 530i

For vehicles with production date from 09/1998

T#:360672

Part#: 11531705223

Ships in 1-2 days

$ 66.94 USD

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$ 66.94 USD

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Genuine BMW Coolant Expansion Tank - M50 M52 S50 S52

For vehicles with production date up to 09/1998

T#:360745

Part#: 17111723520

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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BMW Coolant / Antifreeze - 1.5L

We Price Match - Give Us A Call or Chat!

T#:16175674

Part#: 82141467704

Ships on Jan 14, 2027

$ 70.99 USD

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$ 70.99 USD

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Coolant G11 (Concentrate). The right anti-freeze agent makes a key contribution towards the reliable functioning of the engine cooling system under all operating and weather conditions. Cooler anti-freeze agents from Febi are precisely matched to the special requirements of the vehicle manufacturer and offer reliable protection from damages caused by freezing, corrosion, and cavitation. A good functioning cooling system is a primary prerequisite for the optimum operation of the engine. The ideal mixing ratio is 1:1, which offers frost protection to -36° C. With a ratio of 1:1 of water and concentrate, the boiling point of the cooling is approximately 107° C.+ High protection against freezing, corrosion, and cavitation Prevention of deposits and foam formation

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Radiator Fan Clutch

2X Entries Into Our F80 M3 Sweepstakes

T#:388739

Part#: 11527830486

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$ 62.74 USD

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$ 62.74 USD

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The fan clutch adjusts the speed of the fan based on the rotational speed of the engine. When unneeded, the fan clutch reduces rotational load and drag. If you have a mechanical fan and your vehicle runs a little hotter than it should in traffic, this may be your solution.

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E39 Lower Radiator Hose - 11531705224

For vehicles with production date from 09/1998

10X Entries Into Our F80 M3 Sweepstakes

T#:36100127

Part#: 11531705224

In Stock

Sale - Save 15% $ 37.99

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

$ 32.29 USD

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Sale - Save 15%

$ 37.99

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

$ 32.29 USD

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Over time, and with prolonged exposure to high-temperature coolant, the hoses in your vehicle's cooling system endure significant wear and tear. Made from reinforced rubber, these hoses can fail in various ways, including splitting near hose clamps, swelling, cracking, or even rupturing completely. Any of these failures can lead to coolant loss and leave you stranded. Replace your coolant hoses at the first sign of wear to ensure your engine stays properly cooled and running reliably.

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Mishimoto Thermostat W/ Housing & Sensor - BMW M52, M54, M56 Engines ...

T#:51075086

Part#: MMTS-E46-99E

In Stock

$ 91.99 USD

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$ 91.99 USD

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The Mishimoto Thermostat Assembly focuses on precision fitment and long-term durability.

Water Pump - M50/M52 With Composite Impeller (Original BMW)

T#:623

Part#: 11517527799

Ships in 6 Business Days

6% off MSRP $ 254.99

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

$ 239.99 USD

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6% off MSRP

$ 254.99

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

$ 239.99 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 water pump. This would degrade over time and eventually break apart. Your car overheats immediately. This water pump is the latest updated part with a composite impeller. The composite is stronger and lighter than the less-expensive metal impeller version. And it does not suffer from the problems of the early plastic design.

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 waterpump fits the following BMWs:
1992-1999 E36 3 series - 323is, 323ic, 325i, 325is, 325ic, 328i, 328ic, M3 3.0 (S50/US), M3 3.2 (S52)
1991-1995 E34 BMW 525i
1997-1998 E39 5 series - 528i
1996-1998 Z3 - Z3 2.8,
1998-2000 Z3 Roadster/Coupe - M Roadster, M Coupe (S52)

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Transmission Oil Cooler - Priced Each

2X Entries Into Our F80 M3 Sweepstakes

T#:568703

Part#: 17217505823

Back Ordered

$ 70.99 USD

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$ 70.99 USD

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The heat exchanger keeps your engine oil temperature at a safe level. Without it, oil temperatures could sky rocket causing shearing and potentially internal engine component failure.

Genuine BMW Water Pump Pulley

For vehicles with production date from 09/1998

T#:4472

Part#: 11511436590

In Stock

7% 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.

$ 68.99 USD

Limited Qty Sale

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7% 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.

$ 68.99 USD

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SEE T#337981

URO Radiator Hose - E38, E39

2X Entries Into Our F80 M3 Sweepstakes

T#:38094316

Part#: 11531711385

Ships in 2 Business Days

$ 47.99 USD

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$ 47.99 USD

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This radiator hose is routed from the lower left of the radiator and goes to the heat exchanger.

Bav Auto Angled Hose Pinch Plier Set - 2pc

10X Entries Into Our F80 M3 Sweepstakes

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

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Sale - Save 25%

$ 32.99

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

$ 24.74 USD

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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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Bracket F On Bord Monitor Radio - E39

T#:153200

Part#: 65128368216

In Stock

8% off MSRP $ 25.99

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

$ 23.99 USD

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8% off MSRP

$ 25.99

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

$ 23.99 USD

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Genuine BMW Bracket F On Bord Monitor Radio
This item fits the following BMW Chassis:
E39 M5,E39

Coolant Temperature Sensor

Located on the water pump housing For vehicles with production date from 09/1998

T#:379617

Part#: 13621703993

In Stock

$ 25.99 USD

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$ 25.99 USD

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Febi Radiator Hose - Lower - E39

For vehicles with production date from 09/1998

We Price Match - Give Us A Call or Chat!

T#:4474

Part#: 11531705224

In Stock

$ 53.99

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

$ 42.99 USD

Limited Qty Sale

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$ 53.99

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

$ 42.99 USD

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This coolant hose goes from the lower radiator to the water pump. This hose has a temperature sensor in it. (sold separately- see below).

This item fits the following BMWs:
1999-2003 E39 BMW 525i 528i 530i

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Genuine BMW Coolant Level Sensor

T#:360966

Part#: 61318360876

In Stock

2% off MSRP $ 92.99

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

$ 90.99 USD

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2% off MSRP

$ 92.99

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

$ 90.99 USD

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Genuine BMW Thermostat - 92ºC

For vehicles with production date up to 09/1998

T#:360690

Part#: 11537511083

Ships in 1-2 days

3% off MSRP $ 107.99

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

$ 104.99 USD

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3% off MSRP

$ 107.99

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

$ 104.99 USD

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Uro - Aluminum Coolant Hose Connector for E9x, and Z4

2X Entries Into Our F80 M3 Sweepstakes

T#:37757289

Part#: 11537545890PRMK

In Stock

$ 24.99 USD

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$ 24.99 USD

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Aluminum Connector that replaces the OEM brittle Plastic

Universal 12" Electric puller Fan - Black

T#:598801

Part#: 30100375

In Stock

$ 99.99 USD

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$ 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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OEM Nissens Radiator - E38 740/750, E34 528i 540i (up to 09/1998) ...

For vehicles with production date up to 09/1998

T#:362934

Part#: 17111702969

In Stock

$ 252.99 USD

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$ 252.99 USD

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This radiator is made by Nissens, an original equipment supplier to BMW. The cooling system is a weak point on most BMWs, causing many BMWs to develop issues in as few as 50,000 miles. Overheating your engine can and usually will result in large repair bills and sometimes a warps the cylinder head(s), requiring intensive repair or full replacement. Prevent potential failure by replacing your radiator early, keeping your BMW happy and cool. This is the brand we use exclusively on our own BMWs, and think you should as well! 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!

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E39 Upper Radiator Hose - 11531705223

For vehicles with production date from 09/1998

10X Entries Into Our F80 M3 Sweepstakes

T#:36100154

Part#: 11531705223

In Stock

Sale - Save 15% $ 47.99

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

$ 40.79 USD

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Qty

Sale - Save 15%

$ 47.99

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

$ 40.79 USD

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Over time, prolonged exposure to high-temperature coolant can take a toll on your vehicle's hoses. Made from reinforced rubber, these hoses are prone to wear and failure in various ways, including splitting at hose clamps, swelling, cracking, or breaking. Any of these issues can lead to coolant loss and potentially leave you stranded. Replacing your hoses at the first sign of wear is essential to maintaining a properly functioning cooling system.

This replacement hose is designed with the correct diameter, bends, and length for a precise fit, making it an ideal solution for swelled or damaged hoses. With straightforward installation, this hose provides peace of mind, whether you're embarking on a long road trip or simply commuting to work.

When replacing your radiator hose, some coolant loss is unavoidable. Browse our website to find the exact replacement coolant and other parts for your vehicle, delivered straight to your door. Don’t forget to order a new thermostat housing as well—factory plastic units often crack or warp during removal, and replacing them ensures a complete and reliable repair.

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Genuine BMW Rubber Protection Strip - E39 E38 E52

T#:45775

Part#: 17111737713

In Stock

11% off MSRP $ 25.99

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

$ 23.99 USD

Limited Qty Sale

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11% off MSRP

$ 25.99

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

$ 23.99 USD

Limited Qty Sale

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Genuine BMW Rubber Strip - L=621mm
This item fits the following BMW Chassis:
E39 M5,E38,E39

Fits BMW Engines including:
M52,M54,M60,M62,M73,M73N,S62

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Coolant Expansion Tank

2X Entries Into Our F80 M3 Sweepstakes

T#:591959

Part#: 17111741167

Ships in 2 Business Days

$ 69.99 USD

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$ 69.99 USD

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Plastic has a limited lifespan - replace every 80,000 miles

Universal 14" Electric Fan - Black

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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Febi Coolant Expansion Tank - E36, E39, Z3

For vehicles with production date up to 08/1998

We Price Match - Give Us A Call or Chat!

T#:363759

Part#: 17111723520

Ships on Jan 14, 2027

$ 54.99 USD

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$ 54.99 USD

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Does not include cap or coolant level sensor

BMW E39 Coolant Expansion Tank

For vehicles with production date from 09/1998

2X Entries Into Our F80 M3 Sweepstakes

T#:388645

Part#: 17111436381

In Stock at Vendor

$ 87.99 USD

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$ 87.99 USD

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BMW E39 Coolant Expansion Tank is an essential component designed to maintain the proper coolant level in your vehicle's cooling system. Manufactured with high-quality materials, this expansion tank ensures reliable performance and durability, preventing engine overheating by accommodating the expansion of coolant as it heats up. The kit includes a level sensor and cap, providing everything needed for a seamless installation. This expansion tank is specifically engineered to meet the exact specifications of your BMW E39, offering a perfect fit and optimal functionality.

Complete Kit: Includes level sensor and cap for easy installation.
High-Quality Construction: Built with durable materials for long-lasting performance.
Prevents Overheating: Helps manage coolant expansion, ensuring engine protection.
Exact Fit: Designed to meet the precise specifications of your BMW E39.
Enhanced Reliability: Ensures proper coolant level maintenance for optimal cooling system function.

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Universal Oil Cooler with Thermostat - 19 Row

T#:19593926

Part#: MMOCULT

In Stock at Vendor

$ 599.99 USD

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$ 599.99 USD

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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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Genuine BMW - Expansion Tank Replacement Kit - E39 M5

T#:376939

Part#: 17112229114KT

In Stock

$ 353.99 USD

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$ 353.99 USD

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Spal Electric Fan Harness with Relay

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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Facet Coolant Temperature Sensor - E38, E39

For vehicles with production date up to 09/1998

T#:2170

Part#: 61318360857

Back Ordered

$ 31.70

This product was last offered at the strikethrough price on
08-11-2026

$ 29.42 USD

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$ 29.42 USD

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Engine radiator double temperature fan switch, 91/104 degree celsius. This switch is designed to activate the auxiliary fan at the specified temperatures.

This item fits the following BMWs:
1997-1998 E39 BMW 528i 540i
1995-1998 E38 BMW 740i 740il

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Universal 12" Electric Fan - Blue

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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OEM Mahle-Behr Radiator Fan Shroud - E39 540i, E38 740i/il, 750il, E3...

T#:7392

Part#: 17101440252

Ships in 2 Business Days

$ 122.62

This product was last offered at the strikethrough price on
08-14-2026

$ 105.63 USD

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$ 105.63 USD

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This is a direct replacement for the factory black plastic BMW radiator fan shroud for E31, E38, E39 with M60 and M62 V8 engines and M70, M73 V12 engines.

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:
1997-2003 E39 BMW 540i
1995-2001 E38 BMW 740i 740il 750il
1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
2000-2003 E52 BMW Z8 Alpina

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Expansion Tank

2X Entries Into Our F80 M3 Sweepstakes

T#:373100

Part#: 17111436381

Ships in 2 Business Days

$ 57.99 USD

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$ 57.99 USD

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BMW E39 coolant expansion tank without cap.

OEM Coolant Return Pipe from Water Pump Hose to Transmission Cooler T...

2X Entries Into Our F80 M3 Sweepstakes

T#:6945

Part#: 11531711384

In Stock at Vendor

$ 68.99 USD

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$ 68.99 USD

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This is the cooling system return hose that goes from the automatic transmission cooling thermostat to the hose that comes off the lower water pump outlet.1999-2003 E39 BMW 540i
1999-2001 E38 BMW 740i 740il

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419 Pc. Metric Universal O-Ring Assortment

T#:3657943

Part#: ATD3601

Ships in 2 Business Days

$ 59.99 USD

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$ 59.99 USD

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Always have extra o-rings

Saleri Water Pump - M62

For vehicles with production date from 09/1998

T#:302767

Part#: 11510393336S

Ships in 2 Business Days

$ 166.99 USD

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Qty

$ 166.99 USD

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Prevent cooling system failure today and replace your water pump!

Febi Radiator Hose - Upper - E39

For vehicles with production date from 09/1998

We Price Match - Give Us A Call or Chat!

T#:363755

Part#: 11531705223

Ships in 2 Business Days

$ 68.99 USD

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$ 68.99 USD

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Includes retaining clips

Gear Wrench Angled Hose Clip Pliers

T#:387079

Part#: KDT3977

Ships in 2 Business Days

$ 53.99 USD

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$ 53.99 USD

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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.

Thermostat With Housing

2X Entries Into Our F80 M3 Sweepstakes

T#:582356

Part#: 11537509227

Ships in 2 Business Days

$ 89.99 USD

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$ 89.99 USD

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Stop leaks before they start with this new Thermostat With Housing from Rein.

Universal 12" Electric Fan - Black

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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BMW Radiator Hose Kit - 11537505229

2X Entries Into Our F80 M3 Sweepstakes

T#:46719191

Part#: CHK0008P

Ships in 4 Business Days

$ 61.99 USD

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Qty

$ 61.99 USD

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Keep your cooling system sealed, strong, and ready for anything with this Rein radiator hose kit—your all-in-one fix for cracked, leaking, or worn factory hoses. Years of heat, pressure, and age can cause rubber to weaken, split, or swell, setting the stage for coolant leaks and potential overheating. Rein hoses are engineered to meet or exceed OEM standards, built from premium, heat-resistant materials that can take on extreme temperatures and system pressures without faltering. Each hose features factory-correct bends, fittings, and diameters for an exact, hassle-free installation—no cutting or forcing required. Whether you’re tackling a full cooling system refresh or chasing down a small coolant leak, this Rein kit provides everything needed to restore confidence and performance under the hood. Why choose this Rein radiator hose kit: Factory-level precision – Direct-fit replacements that deliver OEM-quality reliability. Built to last – Resists cracking, swelling, and chemical damage from daily heat cycling. Confidence restored – Prevents coolant loss, overheating, and on-road breakdowns. All-in-one upgrade – Includes upper and lower hoses for a complete system refresh. If keeping your BMW’s cooling system running tight and trouble-free is the goal, Rein brings the dependable quality and fitment you can count on—engineered to perform just like factory, mile after mile.

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Universal 16" High performance Electric puller Fan - Black

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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Uro - Thermostat Housing with O-ring - 105C

2X Entries Into Our F80 M3 Sweepstakes

T#:3428544

Part#: 11531436386

Ships in 2 Business Days

$ 57.99 USD

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$ 57.99 USD

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- Guaranteed fitment - High-flow OE-style design for optimal engine cooling performance - Thermostat housing assembly is manufactured to factory housing dimensions for easy bolt-on installation and reliable hose connections - Includes temperature sensor where applicable - High-quality alloy or composite material is temperature-stable to resist warping or cracking that can lead to coolant leakage - 24 Month Unlimited Mileage Warranty

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BMW Cooling System Parts & Accessories for BMW 5 Series E39 (1996-2003)

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

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