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

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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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Vaico - Corporate Logo
T#:595257
Part#: 11531711384
Ships in 1 Business Day
$ 129.99

This product was last offered at the strikethrough price on
05-08-2026

$ 125.99 USD
$ 125.99 USD
This hose connects the radiator outlet hose to the transmission heat exchanger
OEM Nissens Air Conditioning Pusher Fan - E39 BMW 528i 540i M5 (up to...
For vehicles with production date up to 09/1998
For vehicles with production date up to 09/1998
Nissens - Corporate Logo
T#:591464
Part#: 64548380780
Back Ordered
$ 295.99 USD
Free Shipping
$ 295.99 USD
Free Shipping
This is the fan that turns on when the air conditioning is activated electronically. It’s not driven by the belt and it pushes air through the condenser. If it breaks, it might be an electrical issue that usually occurs in the motor within the fan, as it will fail to engage. There is also a chance that the blades might get damaged as well. No matter how your fan got damaged, be sure to replace it to keep air circulating evenly.
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Spal - Corporate Logo
T#:598910
Part#: 30130013
In Stock at Vendor
$ 6.99 USD
Free Shipping on orders $49 and up
Wire pin used to mount electric fan directly to radiator.

Coolant Level Switch - E31 E38 E39 Z8
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:20203
Part#: 61318360876
Ships in 1 Business Day
$ 12.99

This product was last offered at the strikethrough price on
04-10-2026

$ 10.99 USD
Free Shipping on orders $49 and up
$ 10.99 USD
Free Shipping on orders $49 and up
This is the radiator coolant level sensor that mounts into the bottom of the cooling system expansion tank. 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.

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 item fits the following BMWs:
1999-2000 E39 BMW 528i 540i
2001-2003 E39 BMW 525i 530i 540i
1995-2001 E38 BMW 740i 740il 750il
1990-1998 E31 BMW 840i 840ci
2000-2003 E52 BMW Z8 Roadster
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CSF Universal Large Single-Pass Oil Cooler - Universal Application ...
2X Entries Into Our F80 M3 Sweepstakes
Universal fitment design - modifications may be necessary to run this cooler
CSF - Corporate Logo
T#:53608839
Part#: 8371
Ships in 3 Business Days
New Item
$ 499.00 USD
Free Shipping
$ 499.00 USD
Free Shipping
CSF redesigned this cooler and went with a more traditional inlet/outlet orientation. The new single pass design features high efficiency and high durability, but with vertically oriented inlet and outlet connections.
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BMW Radiator Hose - 11531705224
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:46719192
Part#: CHK0005
In Stock at Vendor
$ 43.99 USD
Free Shipping on orders $49 and up
Keep your cooling system sealed, strong, and ready for anything with this Rein radiator hose—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: 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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Victor Reinz - Corporate Logo
T#:362401
Part#: 11531710055
Ships in 8 Business Days
$ 2.99 USD
Free Shipping on orders $49 and up
Replace each time to work on your water pump
URO Radiator Coolant Hose - Upper - BMW M52
For vehicles with production date up to 09/1998
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:6968
Part#: 11531740832
Ships in 1 Business Day
$ 8.99 USD
Free Shipping on orders $49 and up
$ 8.99 USD
Free Shipping on orders $49 and up
Replace your leaking coolant hose with this URO coolant hose to prevent further coolant loss and overheating

Rein O-RING 14.4X3.0 - E38, E39
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:379805
Part#: 11537501777
Ships in 3 Business Days
$ 6.99 USD
Free Shipping on orders $49 and up
$ 6.99 USD
Free Shipping on orders $49 and up

Febi Freeze Plug - 11111714712
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:6570
Part#: 11111714712
Ships in 1 day
$ 3.99

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

$ 1.30 USD
Free Shipping on orders $49 and up
$ 1.30 USD
Free Shipping on orders $49 and up
ENGINE COVER LID 11111714712
OEM Rein Lower Radiator Hose - E39 528i
For vehicles with production date up to 09/1998
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:349032
Part#: 11531740481
Ships in 1 Business Day
$ 14.99 USD
Free Shipping on orders $49 and up
$ 14.99 USD
Free Shipping on orders $49 and up
Runs from the radiator to the thermostat housing. 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.
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Radiator Hose - Lower - E38/E39
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:50066847
Part#: 11537505229
Ships in 1 Business Day
$ 41.99 USD
Free Shipping on orders $49 and up
Connects from the lower radiator outlet to the thermostat housing and features an integrated port for the coolant temperature sensor.


DPH O-Ring - E38, E39
For vehicles with automatic transmission and a production date from 09/1998
DPH - Corporate Logo
T#:35985
Part#: 11537501777
In Stock at Vendor
$ 3.99

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

$ 2.99 USD
Free Shipping on orders $49 and up
$ 2.99 USD
Free Shipping on orders $49 and up
Cooling system O-ring for hose from water pump for E38 E39
Spal - Corporate Logo
T#:598825
Part#: 30130074
In Stock at Vendor
$ 17.99 USD
Free Shipping on orders $49 and up
Provides .25" stand off from radiator, does not work with high output fans.
OEM Rein Coolant Hose - E38 E39 M62 4.4L
For vehicles with production date from 09/1998
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:375752
Part#: 11537511207
Ships in 3 Business Days
$ 25.83

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

$ 19.34 USD
Free Shipping on orders $49 and up
$ 19.34 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.

Coolant Hose
For vehicles with production date up to 09/1998
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:373027
Part#: 11531745595
Ships in 1 Business Day
$ 13.99 USD
Free Shipping on orders $49 and up
$ 13.99 USD
Free Shipping on orders $49 and up
Connects from water pump to top of radiator

Mishimoto - Corporate Logo
T#:378434
Part#: MMFAN10
Ships in 3 Business Days
$ 88.99 USD
Free Shipping
$ 88.99 USD
Free Shipping
WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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Genuine BMW - Corporate Logo
T#:55317703
Part#: 112814CRKT
Ships in 6 Business Days
New Item
$ 79.26 USD
Free Shipping on orders $49 and up
Swap out your aged factory components before they fail, and maintain total confidence in your charging, cooling, and air conditioning systems.

CRP - Corporate Logo
T#:57616375
Part#: 11531711322
Ships in 3 Business Days
New Item
$ 26.99 USD
Free Shipping on orders $49 and up
Keep your cooling system in top operational shape whether you're commuting daily or putting your vehicle through its paces.
Genuine BMW - Corporate Logo
T#:70041
Part#: 41118125049
In Stock
Sale - Save 10% $ 14.99

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

$ 13.52 USD
Free Shipping on orders $49 and up
Sale - Save 10%
$ 14.99

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

$ 13.52 USD
Free Shipping on orders $49 and up


Genuine BMW Bracket F Left Radiator Support
This item fits the following BMW Chassis:
E39 M5,E38,E39


Genuine BMW - Level 2 Cooling System Kit - M62TU E39, E38
For vehicles with production date from 09/1998
Genuine BMW - Corporate Logo
T#:374432
Part#: 17111741167KT1
Ships in 3 Business Days
$ 1,099.99 USD
Free Shipping
$ 1,099.99 USD
Free Shipping

Genuine BMW - Level 3 Cooling System Refresh Kit - M62TU E39, E38 ...
For vehicles with automatic transmission only and production date from 09/1998
Genuine BMW - Corporate Logo
T#:374834
Part#: 11510393336KT
Ships in 3 Business Days
$ 2,229.99 USD
$ 2,229.99 USD
Thermostat Housing Gasket
For vehicles with production date from 09/1998
Genuine BMW - Corporate Logo
T#:367704
Part#: 11537509357
Ships in 3 Business Days
14% off MSRP $ 9.74

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

$ 8.33 USD
Free Shipping on orders $49 and up
14% off MSRP
$ 9.74

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

$ 8.33 USD
Free Shipping on orders $49 and up
Needs to be replaced once removed
Genuine BMW - Corporate Logo
T#:33632
Part#: 11281745904
Ships in 3 Business Days
4% off MSRP $ 56.99

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

$ 54.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 56.99

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

$ 54.99 USD
Free Shipping on orders $49 and up


Genuine BMW Adjust-Lever -
This item fits the following BMW Chassis:
E38,E39,E53 X5

Fits BMW Engines including:
M62



Genuine BMW - Corporate Logo
T#:16276
Part#: 64118381989
Ships in 3 Business Days
4% off MSRP $ 199.99

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

$ 192.99 USD
Free Shipping
4% off MSRP
$ 199.99

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

$ 192.99 USD
Free Shipping


Genuine BMW Additional Water Pump -
This item fits the following BMW Chassis:
E39

Genuine BMW - Corporate Logo
T#:374589
Part#: 17111741167KT4
Ships in 3 Business Days
$ 388.99

This product was last offered at the strikethrough price on
06-23-2026

$ 384.99 USD
Free Shipping
$ 384.99 USD
Free Shipping

Replace your expansion tank with all Genuine BMW parts for guaranteed reliability and longevity.

The kit includes:

Genuine BMW expansion tank with level sensor
Genuine BMW expansion tank cap and seal
Genuine BMW bleeder screw
Genuine BMW hose clamps
Genuine BMW coolant level sensor
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.

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Genuine BMW - Corporate Logo
T#:368730
Part#: 64218391013
Ships in 3 Business Days
2% off MSRP $ 88.99

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

$ 86.99 USD
Free Shipping
2% off MSRP
$ 88.99

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

$ 86.99 USD
Free Shipping

Genuine BMW - Level 3 Cooling System Refresh Kit - M52TU E39 ...
For vehicles with production date from 09/1998
Genuine BMW - Corporate Logo
T#:378027
Part#: 11517527910KT11
Ships in 3 Business Days
$ 2,143.99

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

$ 2,138.99 USD
$ 2,138.99 USD

Hose Clamp 2 5/16" - 3 1/4" - priced each
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:376806
Part#: 54155K23
Ships in 1 day
$ 4.99 USD
Free Shipping on orders $49 and up

Hose Clamp 2 5/16" - 3 1/4"

Ensure secure hose connections with the Hose Clamp 2 5/16" - 3 1/4", a versatile and reliable solution for various applications. Crafted from durable materials, this clamp offers superior strength and corrosion resistance. Its adjustable design allows for a snug fit, reducing the risk of leaks and ensuring optimal performance. Upgrade your hose connections with the precision and reliability of the Hose Clamp 2 5/16" - 3 1/4".

  • Versatile and reliable solution for various applications
  • Superior strength and corrosion resistance
  • Adjustable design for a snug fit
  • Reduces risk of leaks for optimal performance
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Genuine BMW - Level 1 Thermostat Replacement Kit- M62TU
For vehicles with production date from 09/1998
Genuine BMW - Corporate Logo
T#:374624
Part#: 11531436386KT
In Stock
$ 236.99 USD
Free Shipping
$ 236.99 USD
Free Shipping

ACM Air Conditioning Fan - E39
For vehicles with production date up to 09/1998
ACM - Corporate Logo
T#:374495
Part#: 64548380780
Ships in 1 day
$ 229.99

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

$ 223.99 USD
Free Shipping
$ 223.99 USD
Free Shipping
Also known as "pusher fan"
Genuine BMW- Level 2 Cooling System Refresh Kit - M62 E39, E38 ...
For vehicles with production date up to 09/1998
Genuine BMW - Corporate Logo
T#:374431
Part#: 17111741167KT
Ships in 3 Business Days
$ 1,060.99 USD
Free Shipping
$ 1,060.99 USD
Free Shipping

Genuine BMW - Level 3 Cooling System Refresh Kit - Manual M62TU E39 ...
For vehicles with manual transmission only and production date from 09/1998
Genuine BMW - Corporate Logo
T#:374835
Part#: 11510393336KT1
Ships in 3 Business Days
$ 2,229.99 USD
$ 2,229.99 USD

Genuine BMW - Corporate Logo
T#:152356
Part#: 64538369549
Ships in 4 Business Days
$ 6.99 USD
Free Shipping on orders $49 and up


Genuine BMW Bracket Pressure Pipe Airconditioner
This item fits the following BMW Chassis:
E39 M5,E53 48IS,E39,E53 X5,E82,E85 Z4,E90,E92,E93

Genuine BMW Radiator Hose - Lower - E39 528i
For vehicles with production date up to 09/1998
Genuine BMW - Corporate Logo
T#:360682
Part#: 11531740481
Ships in 6 Business Days
2% off MSRP $ 45.99

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

$ 44.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 45.99

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

$ 44.99 USD
Free Shipping on orders $49 and up
Genuine BMW - Corporate Logo
T#:360738
Part#: 17111436062
Ships in 6 Business Days
6% off MSRP $ 756.99

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

$ 713.99 USD
6% off MSRP
$ 756.99

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

$ 713.99 USD


Genuine BMW - Corporate Logo
T#:55317656
Part#: 1711173RMKT
Ships in 3 Business Days
New Item
$ 59.16

This product was last offered at the strikethrough price on
08-24-2026

$ 59.02 USD
Free Shipping on orders $49 and up
$ 59.02 USD
Free Shipping on orders $49 and up
This Genuine BMW Radiator Mounting Kit provides the absolute best option for restoring the factory anchoring system on your chassis.
Victor Reinz - Corporate Logo
T#:580584
Part#: C32348
Ships in 6 Business Days
$ 3.99

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

$ 2.99 USD
Free Shipping on orders $49 and up
$ 2.99 USD
Free Shipping on orders $49 and up
Hose Clamp - 40mm-60mm
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:5227
Part#: 040-60T
Ships in 4 Business Days
$ 3.99 USD
Free Shipping on orders $49 and up
Hose clamps for radiator hoses, coolant hoses, vacuum hoses, or intake hoses. These hose clamps are the same style as your OEM hoses with a smooth inside band to prevent cutting into the hose material.

Features:
  • 9mm band width
  • 6mm hex & slotted head
  • Smooth inside of band = optimal hose protection
  • OEM
  • 430 Stainless steel band and housing with zinc plated steel screw
  • Asymmetric housing = even distribution of forces and prevents tilting of the clamp when tightening
  • Screw support = ease of assembly due to the safe guidance of the emerging band
  • Short housing saddle = even contact pressure = improved efficiency

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    Victor Reinz - Corporate Logo
    T#:376106
    Part#: 11511731372
    Ships in 6 Business Days
    $ 7.99

    This product was last offered at the strikethrough price on
    07-23-2026

    $ 7.13 USD
    Free Shipping on orders $49 and up
    $ 7.13 USD
    Free Shipping on orders $49 and up
    Should be replaced each time the water pump is removed

    Genuine BMW - Corporate Logo
    T#:71313
    Part#: 41148200043
    Ships in 8 Business Days
    6% off MSRP $ 17.99

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

    $ 16.99 USD
    Free Shipping on orders $49 and up
    6% off MSRP
    $ 17.99

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

    $ 16.99 USD
    Free Shipping on orders $49 and up


    Genuine BMW Lower Water Valve/Add.Water Pump Bracket
    This item fits the following BMW Chassis:
    E39 M5,E39

    Thermostat With Housing - 105C
    10X Entries Into Our F80 M3 Sweepstakes
    Bremmen Parts - Corporate Logo
    T#:15511816
    Part#: 11531436386
    Ships in 8 Business Days
    Sale - Save 4% $ 30.99

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

    $ 29.67 USD
    Free Shipping on orders $49 and up
    Sale - Save 4%
    $ 30.99

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

    $ 29.67 USD
    Free Shipping on orders $49 and up
    A thermostat that opens sooner promotes better cooling in your vehicle. Running a lower temperature thermostat will keep everything much cooler. Keeping the engine cooler will help reduce and improve the life of the seals in your engine, saving you time and money, while also help increase engine performance. A tune might be required to gain the most from this modification, as well as to get your car's ECU accustomed to seeing lower temperatures.
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    CTA Tools - Corporate Logo
    T#:641679
    Part#: CTAA195
    Ships in 5 Business Days
    $ 9.98 USD
    Free Shipping on orders $49 and up
    Tests all ethylene glycol solutions with radiator hot or cold
    Rein Coolant Overflow Hose
    2X Entries Into Our F80 M3 Sweepstakes
    Rein - Corporate Logo
    T#:19458
    Part#: 17111427156
    Ships on Sep 16, 2026
    $ 5.99 USD
    Free Shipping on orders $49 and up

    Rein Coolant Overflow Hose is designed to meet the highest standards of performance and durability for your vehicle's cooling system. This high-quality hose ensures the proper transfer of excess coolant from the engine to the overflow reservoir, preventing overheating and ensuring optimal engine performance. Manufactured from reinforced rubber materials, the Rein Coolant Overflow Hose guarantees long-lasting reliability and precise fitment for various vehicle makes and models. It’s the perfect upgrade or replacement for worn-out hoses in any cooling system.

    Available through Turner Motorsport, this coolant overflow hose is rigorously tested to withstand extreme temperatures, pressures, and daily use. If you’re looking to maintain or improve your car's cooling efficiency, the Rein Coolant Overflow Hose is an essential component.

    • Precision engineered for a perfect fit
    • Manufactured from durable, reinforced rubber
    • Designed to withstand high temperatures and pressures
    • Improves cooling system efficiency and prevents overheating
    • Easy installation with OE-spec dimensions
    • Available at Turner Motorsport, trusted for automotive parts

    Enhance your vehicle's performance and reliability by replacing your old coolant hose with the Rein Coolant Overflow Hose today.

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    Auxiliary Electric Water Pump
    5X Entries Into Our F80 M3 Sweepstakes
    Meyle - Corporate Logo
    T#:57014181
    Part#: 64116913489
    Ships on Sep 16, 2026
    New Item
    $ 75.99 USD
    Free Shipping on orders $49 and up
    Keep your heating and cooling systems performing sharply with a precision-fit replacement built for long-haul reliability.

    Rubber Mount
    2X Entries Into Our F80 M3 Sweepstakes
    URO - Corporate Logo
    T#:362393
    Part#: 17111737704
    Ships on Sep 23, 2026
    $ 7.99 USD
    Free Shipping on orders $49 and up
    Rubber lower mount for your radiator
    Electric Auxiliary Fan - E39 1999-2003
    For vehicles with production date from 09/1998
    We Price Match - Give Us A Call or Chat!
    VDO - Corporate Logo
    T#:3121418
    Part#: 64546921395
    Special Order: No Guaranteed ETA
    $ 397.99 USD
    Free Shipping on orders $49 and up
    $ 397.99 USD
    Free Shipping on orders $49 and up
    This electric auxiliary fan for BMW E39 525i 528i 530i 540i M5 1999-2003 mounts in front of the radiator and is designed to push air through the A/C Condenser and main radiator. It provides additional cooling for when the car is in traffic. It is a common failure item. If your engine temps are creeping up or if your A/C isn't blowing cold this could be the cause.

    This item fits the following BMWs:
    1999-2003  E39 BMW  525i 528i 530i 540i M5
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    Elring Thermostat Gasket - BMW M60 M62 M70 S70
    2X Entries Into Our F80 M3 Sweepstakes
    Elring - Corporate Logo
    T#:45005599
    Part#: 818.437
    Special Order: No Guaranteed ETA
    $ 2.99 USD
    Free Shipping on orders $49 and up
    This rubber gasket seals the junction between the thermostat and water pump Measurements: 4.0x76.5mm


    Bremmen Parts - Corporate Logo
    T#:640149
    Part#: 11521712058
    In Stock
    Sale - Save 22% $ 23.99

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

    $ 18.76 USD
    Free Shipping on orders $49 and up
    Sale - Save 22%
    $ 23.99

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

    $ 18.76 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 pieces. Be sure to get a new fan clutch, while you are replacing this.
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    2 Pin Connector
    10X Entries Into Our F80 M3 Sweepstakes
    ECS - Corporate Logo
    T#:33412932
    Part#: 61132359999
    In Stock
    Sale - Save 25% $ 10.99

    This product was last offered at the strikethrough price on
    06-14-2026

    $ 8.24 USD
    Free Shipping on orders $49 and up
    Sale - Save 25%
    $ 10.99

    This product was last offered at the strikethrough price on
    06-14-2026

    $ 8.24 USD
    Free Shipping on orders $49 and up

    Includes connector housing with terminals and seals. Commonly used for the coolant level sensor.

    ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

    Each connector includes an additional terminal in case one becomes lost or damaged during installation.

    *OEM cross reference PN# 61132359999 - Commonly used for the coolant level sensor.

    Please reference the original part number from the existing connector to confirm fitment, before ordering.

    Suggested tools:

    Suggested crimping pliers: T#387193
    Wire De-pin tools:
    12pc De-Pin Tool Set - T#386379
    23pc De-Pin Tool Set - T#641943

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