BMW Cooling System Parts & Accessories for BMW E36 (1992-1998) M3

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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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Complete Cooling System Overhaul Package - 1992-1999 E36 325i/328i/M3...
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T#:338684
Part#: TMS2003
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$ 668.99

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This is a compete cooling system overhaul kit, which includes all of the common E36 cooling system parts bundled into a complete package. The basic overhaul includes: water pump, radiator, radiator hoses, and thermostat. We bundled these together with a package discount for your convenience and savings. Additional items are also available to better cover your cooling system repair. Contact us if you need any other E36 cooling system parts.

The original E36's primary cooling components were prone to failure within 60k miles (or less in many cases). With better materials over the years we've seen that interval increase and you can now count on your water pump and radiator lasting at least 100,000 miles. That doesn't mean you can set aside preventaive maintenance. A failure in the cooling system can lead to overheating and catastrophic engine failure. Don't gamble your engine! By replacing these core items preventatively, such as the radiator & waterpump, you are defusing what could be a ticking cooling system time bomb. And if you've had a failure of one of these parts, now is the time to refresh your cooling system.

Top Turner Tip!
The very earliest E36s had infamous cooling system failures. But those are a thing of the past! We've got the best combination of parts to ensure a bulletproof E36 cooling system and it doesn't have to cost an arm and a leg. Our basic cooling package (OEM radiator and OE BMW water pump with composite impeller) is much better quality than what was available 20 years ago. And we can upgrade the system with full aluminum radiators, silicone hoses, and a stronger water pump. There are no more excuses for a weak E36 cooling system.

Basic Kit Contents:
17111469179, radiator (OEM Behr)
11517527799, water pump (OE BMW)
11537511580, 88°C thermostat (OEM Behr/Hella)
11531708499, upper radiator hose (OEM Rein/CRP)
11531726344, lower radiator hose (OEM Rein/CRP)
17111742231, expansion tank cap (OEM Behr/Hella)

Cooling Kit Options:
E36 Water Pump Options
(click to expand)
OE BMW with composite impeller. The original BMW water pumps had plastic impellers which degraded and failed. The latest design uses composites that are much better and will not corrode. Compared to a metal impeller, the composite is lighter so it's more efficient and it will not wear out the bearings. We don't even offer the metal impeller pumps with this kit because the BMW composite one is so much better.
Stewart high performance. The ultimate in M50 water pumps! It features a stainless steel impeller, heavy-duty bearings, a better o-ring seal, and flows 20% more than the stock pump. If indestructible is what you're looking for, this is the pump to go with. It also comes with a lifetime warranty for piece of mind.
E36 Radiators
(click to expand)
The stock radiator and fan combination has no downside in capacity. But where it lacks is in durability. The plastic tanks and hose necks are prone to cracking and then leaking. If you notice ANY greenish-white staining on the plastic then it's a sure sign of a crack. To avoid the plastic failures altogether, move up to a full aluminum radiator.

The MZ3 radiator has a thicker core and more capacity. Any time you can store the coolant away from the engine the better it will be. It will have less heat soak and lower overall temperatures.
The budget aluminum radiator is the same size as stock but obviously doesn't have the plastic.
The Fluidyne was designed with input from our own techs and race team. It's our go-to radiator for racing and track use.
E36 Expansion Tank
(click to expand)
The original expansion tank is prone to cracks and leakage. Again - it's made from a weak plastic. The material has improved over the years but the only option remains an OEM plastic tank. It's a good idea to replace it if you're doing a whole overhaul. Don't re-use the original tank if you're going to the trouble of replacing everything else!
E36 Thermostat Housing
(click to expand)
The original BMW plastic thermostat housing is brittle and does not seal well. We only sell it under protest. Instead we've been selling this aluminum housing for the last 20+ years. The aluminum does not have the same shortcomings as the plastic one. We made this item an option in case you already have the aluminum housing.

Use the options below to build your cooling package.

This cooling system overhaul kit fits the following BMWs:
1992-1999 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
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Turner Electric Fan Conversion - E36 BMW (09/1995+)
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T#:554687
Part#: EFANCON1KT
In Stock at Vendor
$ 368.99

This product was last offered at the strikethrough price on
07-02-2026

$ 367.99 USD
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$ 367.99 USD
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Looking to free up horsepower and upgrade your cooling? Then this Electric Fan Conversion kit is the perfect choice! The fan and clutch that connect to the water pump add additional rotating mass to the drive line. By removing them and converting your system to an electric fan, the engine has to do less work, giving you that extra little bit of power. In this kit we include a lower temperature thermostat, coolant additive, and low temperature fan switch that engages the electric fan at a lower temperature, keeping your engine cool and lowering the drag and unneeded weight from the front end of your BMW.

Included in this kit:

  • 80 degree Celsius thermostat
  • 1 liter of Genuine BMW coolant
  • Water Wetter coolant additive
  • Low-temperature coolant temperature sensor/switch
  • 16 inch Electric fan 
  • Electric fan mounting kit
  • Fan controller kit with probe sensor 
  • Fan delete nut

Fits the following BMWs:
09/1995-1999 E36 BMW 323is/ic 328i/is/ic M3

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Performance Water Pump & Thermostat Kit - BMW M50 M52
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T#:30397440
Part#: 11517527799KT2
In Stock
$ 357.99

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

$ 342.99 USD
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$ 342.99 USD
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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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Coolant Expansion Tank - E36/E39/Z3 6 cylinder 1992-1998
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T#:338018
Part#: 17111723520
In Stock at Vendor
$ 97.99

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

Starting at $ 77.22 USD
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Starting at $ 77.22 USD
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This high quality BEHR brand expansion tank is used on M50, M52, S50 and S52 engines, and is a common failure item on all E36 3 series with 6 cylinder engines (325/328/323 and M3) 1992-1999, Z3 with 2.8 liter, MZ3 Roadster/Coupe (S52), and E39 528i from 1997-1998. BEHR was the original equipment supplier to BMW, so you know the BEHR made expansion tank will be the highest quality available. Be leary of competitors selling this part for less -- is it a BEHR? Probably not. We only carry the BEHR brand expansion tank as it is the only one we use in our own BMWs.

If you are overhauling your coolant system, now is the time to consider preventative replacing this expansion tank. These are known to go bad, causing a leak which can leave you stranded. We have found that the expansion tanks should be replaced based on age as well as condition. Expansion tanks seem to have a lifespan of less than six years before they show signs of fatigue and wear. Pre-emptively replacing the expansion tank as part of an overall maintenance plan can prevent you from getting stranded from a sudden failure later on.

Need a new coolant level sensor too? If your coolant level sender is bad, your on board computer will constantly display a "low coolant" message (unless your coolant is actually low...). If you're replacing your expansion tank, now is a great time to replace this failure prone sensor. If you want a new coolant level sensor, simply choose from the option below. Because there are different sensors for different year/model BMWs, please be as specific as possible when you give us your car info during checkout (model, year, production date). Thanks!


This item fits the following BMWs:
1992-1998 E36 BMW 323ic 325i 325is 325ic 328i 328is 328ic M3
1997-1998 E39 BMW 528i
1997-1998 Z3 BMW Z3 2.8
1998-2000 Z3 BMW M Roadster M Coupe (S52)
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Basic Cooling System Service Kit - E36 S50/M50 (06/1995+), S52/M52 (0...
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T#:557244
Part#: E36BCKT
In Stock
Sale - Save 16% $ 277.99

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

$ 234.12 USD
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Sale - Save 16%
$ 277.99

This product was last offered at the strikethrough price on
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$ 234.12 USD
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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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Basic Cooling System Service Kit - E36 S50/M50 (up to 06/1995), S52/M...
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T#:557247
Part#: E36BCKT2
In Stock
Sale - Save 16% $ 274.99

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

$ 232.32 USD
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Sale - Save 16%
$ 274.99

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

$ 232.32 USD
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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 - E36
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T#:554081
Part#: 11537511580KT3
Ships on Jan 4, 2027
Sale - Save 8% $ 62.99

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

$ 57.73 USD
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When it comes time to replace your thermostat, be sure you have everything you need. This kit includes everything you need to replace your thermostat, including the thermostat.

Kit includes:

  • Thermostat with gasket
  • Thermostat mounting hardware
  • 1 liter of coolant

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) 

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High Performance Cooling System Upgrade - E36 323, 325 (06/95+), 328 ...
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T#:557319
Part#: E36PCKT
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Sale - Save 7% $ 1,354.99

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

$ 1,266.49 USD
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$ 1,354.99

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If you plan to drive your BMW aggressively on the track, it is important that you upgrade your cooling system to avoid overheating. To ensure your BMW keeps cool on the track, we have built out our new High Performance Cooling System Upgrade kits. Featured in this kit is everything you will need to redo your cooling system from top to bottom with OEM components, with select stock components swapped out for the high performance alternative! This kit includes a high performance ECS Tuning Aluminum Radiator, for significantly better cooling than the stock radiator and full aluminum construction that won't crack from long term heat cycling, a performance Mishimoto 68*C thermostat, for lower temperature operation and increased cooling of the engine, and a Stewart High Performance Water Pump, for dramatically increased coolant flow at all RPMs. 

Additional items included in this kit:

  • ECS Tuning Silicone Coolant Hoses - For increased reliability over the stock rubber hoses
  • ECS Tuning Heavy Duty Aluminum Coolant Bleeder Screw
  • OEM Expansion Tank, Cap, and Level Sensor
  • OEM Belts, Tensioners, and Pulleys
  • OEM Low Temperature Auxiliary Fan Switch
  • Genuine BMW Hardware for Easy Installation
  • ECS Tuning Aluminum Water Pump Pulley - For increased coolant flow and reliability over the stock composite pulley
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Turner Ultimate Fan Delete Kit - E36 (09/1995+)
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Packaged by Turner - Corporate Logo
T#:554696
Part#: FD3AFT95KT
In Stock at Vendor
$ 271.22

This product was last offered at the strikethrough price on
07-02-2026

$ 270.54 USD
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$ 270.54 USD
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The fan that attaches to the water pump carries so much rotational mass that it can actually hinder the performance of your engine. To address this, we now offer out line of fan delete kits that replace everything needed to get rid of your fan and fan clutch, without causing cooling issues as a result. This Ultimate kit is the top tier option, including the essential conversion components, the upgraded aluminum thermostat housing, and a brand new accessory belt.

This kit is best for someone who has not performed recent cooling system maintenance or who wants to replace everything at once for increased reliability and longevity.

Included in this kit:

  • 80* thermostat
  • 1 liter of coolant
  • Water Wetter coolant additive
  • Low-temperature coolant temperature sensor/switch
  • Aluminum thermostat housing with gaskets
  • Fan delete nut
  • ECS  Aluminum Water Pump Pulley - Black
  • Accessory Belt

Fits the following BMWs:
09/1995-1999 E36 BMW 323is/ic 328i/is/ic M3

**This kit is intended to be used with cars that have a functional auxiliary fan (64508364093) or an upgraded electrical fan installed.**

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Turner Comprehensive Fan Delete Kit - E36 (up to 09/1995)
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Packaged by Turner - Corporate Logo
T#:554691
Part#: FD2PRE95KT
In Stock
Sale - Save 1% $ 121.99

This product was last offered at the strikethrough price on
07-02-2026

$ 120.83 USD
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Sale - Save 1%
$ 121.99

This product was last offered at the strikethrough price on
07-02-2026

$ 120.83 USD
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The fan that attaches to the water pump carries so much rotational mass that it can actually hinder the performance of your engine. To address this, we now offer out line of fan delete kits that replace everything needed to get rid of your fan and fan clutch, without causing cooling issues as a result. This Comprehensive kit is the mid-priced option, including the essentials and an upgraded aluminum thermostat housing that won't crack or break like the brittle plastic housing. 

This kit is best for someone who wants to upgrade their thermostat housing to aluminum, has already upgraded their water pump pulley, and has performed regular maintenance on their engine drive belts.

Included in this kit:

  • 80* thermostat
  • 1 liter of coolant
  • Water Wetter coolant additive
  • Low-temperature coolant temperature sensor/switch
  • Aluminum thermostat housing with gaskets
  • Fan delete nut

Fits the following BMWs:
1992-09/1995 E36 BMW 325i/is/ic 328i/is/ic M3

**This kit is intended to be used with cars that have a functional auxiliary fan (64508364093) or an upgraded electrical fan installed.**

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Turner Basic Fan Delete Kit - E36 (09/1995+)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:554693
Part#: FD1AFT95KT
In Stock at Vendor
$ 104.26

This product was last offered at the strikethrough price on
07-02-2026

$ 87.71 USD
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$ 87.71 USD
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The fan that attaches to the water pump carries so much rotational mass that it can actually hinder the performance of your engine. To address this, we now offer out line of fan delete kits that replace everything needed to get rid of your fan and fan clutch, without causing cooling issues as a result. This basic kit is the cheapest option, including just the bare essentials to get the job done and get your car running without a fan.

This kit is best for someone who has already upgraded their thermostat housing and/or water pump pulley and has performed regular maintenance on their engine drive belts.

Included in this kit:

  • 80* thermostat
  • 1 liter of coolant
  • Water Wetter coolant additive
  • Low-temperature coolant temperature sensor/switch

Fits the following BMWs:
09/1995-1999 E36 BMW 323is/ic 328i/is/ic M3

**This kit is intended to be used with cars that have a functional auxiliary fan (64508364093) or an upgraded electrical fan installed.**

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E36 Performance Cooling Kit - Lite
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Packaged by Turner - Corporate Logo
T#:554672
Part#: E366CYLLITETMSKT
In Stock
Sale - Save 9% $ 180.99

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

$ 164.79 USD
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Sale - Save 9%
$ 180.99

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

$ 164.79 USD
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Looking to improve your cooling system's performance and add some peace of mind at the same time? Look no further. This kit includes everything you need to add performance, durability and longevity to your cooling system without spending a ton of money. Best of all, the upgrade can be performed by a reasonably competent DIY enthusiast in an afternoon. The team at ECS Tuning supplies their excellent silicone radiator hoses, stainless hose clamps, and aluminum coolant bleed screw for increased durability and heat resistance. Meanwhile, a lower pressure expansion tank cap makes for a less costly "weak link" if the system builds too much pressure, potentially saving you from a costly radiator replacement that could leave you stranded. The kit also includes a gallon of Genuine BMW coolant along with 12 ounces of Red Line Water Wetter, which lowers operating temperatures and protects your cooling system from internal corrosion. All you need is this kit, a few hours of free time, and a gallon of distilled water to keep your E36 cool & running at its best!

Kit Contents:

- ECS Tuning Silicone Radiator Hoses

- ECS Tuning Stainless Steel Hose Clamps

- ECS Tuning Heavy Duty Aluminum Coolant Bleeder Screw

- 1.4 Bar Expansion Tank Cap

- Red Line Water Wetter - 12oz

- Genuine BMW Coolant - 1 Gallon

 

Fits the Following BMWs:

E36 323i 325i 328i M3

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Turner Comprehensive Fan Delete Kit - E36 (09/1995+)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:554694
Part#: FD2AFT95KT
In Stock at Vendor
$ 141.88

This product was last offered at the strikethrough price on
07-02-2026

$ 141.20 USD
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$ 141.20 USD
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The fan that attaches to the water pump carries so much rotational mass that it can actually hinder the performance of your engine. To address this, we now offer out line of fan delete kits that replace everything needed to get rid of your fan and fan clutch, without causing cooling issues as a result. This Comprehensive kit is the mid-priced option, including the essentials and an upgraded aluminum thermostat housing that won't crack or break like the brittle plastic housing. 

This kit is best for someone who wants to upgrade their thermostat housing to aluminum, has already upgraded their water pump pulley, and has performed regular maintenance on their engine drive belts.

Included in this kit:

  • 80* thermostat
  • 1 liter of coolant
  • Water Wetter coolant additive
  • Low-temperature coolant temperature sensor/switch
  • Aluminum thermostat housing with gaskets
  • Fan delete nut

Fits the following BMWs:
09/1995-1999 E36 BMW 323is/ic 328i/is/ic M3

**This kit is intended to be used with cars that have a functional auxiliary fan (64508364093) or an upgraded electrical fan installed.**

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Turner Ultimate Fan Delete Kit - E36 (up to 09/1995)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:554692
Part#: FD3PRE95KT
In Stock
$ 250.99

This product was last offered at the strikethrough price on
07-02-2026

$ 250.17 USD
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$ 250.17 USD
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The fan that attaches to the water pump carries so much rotational mass that it can actually hinder the performance of your engine. To address this, we now offer out line of fan delete kits that replace everything needed to get rid of your fan and fan clutch, without causing cooling issues as a result. This Ultimate kit is the top tier option, including the essential conversion components, the upgraded aluminum thermostat housing, and a brand new accessory belt.

This kit is best for someone who has not performed recent cooling system maintenance or who wants to replace everything at once for increased reliability and longevity.

Included in this kit:

  • 80* thermostat
  • 1 liter of coolant
  • Water Wetter coolant additive
  • Low-temperature coolant temperature sensor/switch
  • Aluminum thermostat housing with gaskets
  • Fan delete nut
  • ECS  Aluminum Water Pump Pulley - Black
  • Accessory Belt

Fits the following BMWs:
1992-09/1995 E36 BMW 325i/is/ic 328i/is/ic M3

**This kit is intended to be used with cars that have a functional auxiliary fan (64508364093) or an upgraded electrical fan installed.**

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Turner Basic Fan Delete Kit - E36 (up to 09/1995)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:554690
Part#: FD1PRE95KT
In Stock
Sale - Save 20% $ 80.99

This product was last offered at the strikethrough price on
07-02-2026

$ 64.69 USD
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Sale - Save 20%
$ 80.99

This product was last offered at the strikethrough price on
07-02-2026

$ 64.69 USD
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The fan that attaches to the water pump carries so much rotational mass that it can actually hinder the performance of your engine. To address this, we now offer out line of fan delete kits that replace everything needed to get rid of your fan and fan clutch, without causing cooling issues as a result. This basic kit is the cheapest option, including just the bare essentials to get the job done and get your car running without a fan.

This kit is best for someone who has already upgraded their thermostat housing and/or water pump pulley and has performed regular maintenance on their engine drive belts.

Included in this kit:

  • 80* thermostat
  • 1 liter of coolant
  • Water Wetter coolant additive
  • Low-temperature coolant temperature sensor/switch

Fits the following BMWs:
1992-09/1995 E36 BMW 325i/is/ic 328i/is/ic M3

**This kit is intended to be used with cars that have a functional auxiliary fan (64508364093) or an upgraded electrical fan installed.**

Show More Show Less

High Performance Cooling System Upgrade - E36 323, 325 (06/95+), 328 ...
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Packaged by Turner - Corporate Logo
T#:25772575
Part#: E36PCKT1
In Stock at Vendor
Sale - Save 1% $ 922.99

This product was last offered at the strikethrough price on
07-06-2026

$ 913.58 USD
Sale - Save 1%
$ 922.99

This product was last offered at the strikethrough price on
07-06-2026

$ 913.58 USD

Turner Electric Fan Conversion - E36 BMW (up to 09/1995)
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Packaged by Turner - Corporate Logo
T#:554688
Part#: EFANCON2KT
In Stock
$ 342.99

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

$ 312.99 USD
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$ 312.99 USD
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Looking to free up horsepower and upgrade your cooling? Then this Electric Fan Conversion kit is the perfect choice! The fan and clutch that connect to the water pump add additional rotating mass to the drive line. By removing them and converting your system to an electric fan, the engine has to do less work, giving you that extra little bit of power. In this kit we include a lower temperature thermostat, coolant additive, and low temperature fan switch that engages the electric fan at a lower temperature, keeping your engine cool and lowering the drag and unneeded weight from the front end of your BMW.

Included in this kit:

  • 80 degree Celsius thermostat
  • 1 liter of Genuine BMW coolant
  • Water Wetter coolant additive
  • Low-temperature coolant temperature sensor/switch
  • 16 inch Electric fan 
  • Electric fan mounting kit
  • Fan controller kit with probe sensor 
  • Fan delete nut

Fits the following BMWs:
1992-09/1995 E36 BMW 325i/is/ic 328i/is/ic M3

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ECS Tuning Aluminum Coolant Bleeder Screw
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ECS - Corporate Logo
T#:363070
Part#: 003530ECS01A
In Stock
Sale - Save 25% $ 35.99

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

$ 26.99 USD
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Sale - Save 25%
$ 35.99

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

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Replace the flimsy plastic bleeder screw used in the coolant expansion tank or in one of the cooling system hoses with this high quality, durable, aluminum bleeder screw. The stock plastic screw can deform over time due to heat or even regular use. We have even seen the head of the screw snap off, leaving the threaded body stuck in the expansion tank. This aluminum screw will help to prevent sudden failure of the bleeder screw, which can result in immediate overheating of the car.

ECS Tuning's Aluminum Coolant Bleeder Screw replaces Genuine BMW Part Number 17111712788

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ECS E36 Silicone Radiator Hose Kit
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T#:362964
Part#: 003628ECS01
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Unlike factory rubber hoses, silicone can withstand higher temperatures and pressures with minimal wear. Rubber will wear out and weaken so don't let it bite you when it counts! Silicone has been proven during extreme racing conditions and won't be the weak link that ruins your day.

This E36 ECS silicone hose set replaces two hoses - 
11531708499, upper radiator hose 
11531726344, lower radiator hose 

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E36/E46/Z3/Z4 ECS Tuning Aluminum Water Pump Pulley - Black
Provides a bolt-on 8% water pump overdrive to increase cooling.
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T#:363707
Part#: 001977ECS03A
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Most of the pulleys on your BMW engine are plastic, which become brittle and frail over time and from engine bay heat. A failed pulley could leave you stranded which is why it is vital to inspect the pulleys during routine maintenance. This is an aluminum version of the stock water pump pulley used on the M50/M52/M52TU/M54 engine in the E36, E46, Z3, Z4, and other models. It uses the same hardware and the original belt as the stock plastic pulley. But the aluminum will last much longer.
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M50 M52 S50 S52 High Performance Aluminum Radiator
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T#:385051
Part#: 006084ECS01AKT
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Every hero has its Achilles heel, and for many BMWs, it's the cooling system. Featuring an overabundance of brittle, crack-prone, leak-inducing plastic, the otherwise robust drivetrain is let down by a weak cooling system. Now, ECS has come to the rescue with a solution to cure those problems once and for all and leave the days of cracked plastic end tanks and coolant-stained driveways far behind. This radiator was designed with performance, durability, and good looks in mind to create a great all-around upgrade for any E36 owner, from the daily driver to the weekend warrior. Featuring fully aluminum construction, all the joints are precision TIG-welded for superior durability and show-car looks, with polished end tanks further adding to the great look of this radiator. The easily-stripped plastic drain plug and fan switch holes have been replaced with threaded alloy bungs in the stock locations, and the weak plastic tabs for the factory fan shroud have been replaced with beefy aluminum as well. Designed as a drop-in solution, this radiator will fit like a stock replacement, but will look and perform far better, while costing substantially less than the competition. What are you waiting for? Upgrade your cooling system today and leave your worries behind - and look great doing it - with this ECS Tuning Performance Aluminum Radiator. Note: Owners of automatic E36s utilizing a stock-style transmission cooler must drill two small holes in the lower frame of the radiator.
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70-78mm - T-Bolt Hose Clamp - Priced each
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T#:380416
Part#: 003402ECS07A-03
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Ensure a tight and leak-free seal in your BMW's cooling, vacuum, or intake systems by installing a new adjustable hose clamp. Over time, clamps can deform or lose their tightness due to aging or frequent removal, potentially causing leaks in your coolant or vacuum hoses. Avoid the risk of leaks by replacing old clamps with new hardware, offering peace of mind against coolant and vacuum system issues.

Key benefits of the adjustable hose clamp include:

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

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

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BMW E36 High Performance Aluminum Radiator with Silicone Radiator Hos...
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T#:385052
Part#: 006084ECS01AKT1
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Upgrade the cooling system of your BMW with the BMW E36 High Performance Aluminum Radiator with Silicone Radiator Hoses. This high-quality radiator kit is designed specifically for BMW E36 models, providing improved cooling efficiency and durability. Paired with silicone radiator hoses, this kit offers superior heat resistance and reliability, making it ideal for high-performance applications. Enhance the cooling performance and reliability of your BMW with this premium radiator kit.

  • Improved cooling efficiency for better engine performance
  • Durable aluminum construction for long-lasting use
  • Silicone radiator hoses offer superior heat resistance
  • Designed specifically for BMW E36 models
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Band Hose Clamp | 12-20mm 3/8"/9mm
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T#:304266
Part#: 003402ECS06A-03
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Secure hoses in your BMW effortlessly with the ECS 3/8" / 9mm Band Hose Clamp (12-20mm). Specifically designed for BMW models, this clamp ensures a snug fit and reliable hold for hoses measuring between 12mm to 20mm. Crafted with durable materials, these clamps provide exceptional resistance against leaks and are ideal for various automotive applications. Upgrade your BMW's hose security with these reliable ECS hose clamps.
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40-60mm 3/8"/9mm Band Hose Clamp
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T#:341280
Part#: 003402ECS06A-08
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ECS Tuning 304 Stainless Steel Hose Clamps

Revolutionize your car maintenance with ECS Tuning's premium 304 stainless steel hose clamps. Eliminate dealership delays and inflated prices! These German-style clamps utilize T-bolts for hassle-free diameter adjustment. With various band widths available, these durable clamps ensure reliability without the hefty cost. Experience dealership-quality products at affordable rates, exclusively at ECS Tuning.

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60-80mm 1/2"/12mm Band Hose Clamp
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T#:377836
Part#: 003402ECS05A-10
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ECS Tuning Stainless Steel Hose Clamps for BMW

Upgrade your BMW's hose clamps with ECS Tuning Stainless Steel Hose Clamps, designed for convenience and durability. Say goodbye to long waits and overpriced dealership clamps. With various band widths available, these stainless steel clamps ensure a secure fit for your vehicle's hoses.

Benefits:

  • Convenient replacement for worn-out hose clamps
  • Made of durable stainless steel for long-lasting performance
  • Available in various band widths for versatile use
  • Affordable alternative to dealership pricing
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90-110mm 3/8"/9mm Band Hose Clamp
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T#:341281
Part#: 003402ECS06A-13
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ECS Tuning 304 Stainless Steel Hose Clamps

Once again, ECS Tuning has found a way to make life easier for working on your car. Need new hose clamps but don't want to wait to order it from the dealership or pay more than you should for a hose clamp? That's where we come in! These are full 304 stainless steel hose clamps with various band widths for your convenience. They are German style using T-bolts to adjust in size to your required diameter. Never pay dealer pricing again, but still get the quality you love here at ECS Tuning.

  • Made from high-quality 304 stainless steel for durability
  • German-style design with T-bolts allows for easy size adjustment
  • Various band widths for versatile use
  • Avoid dealership pricing without compromising on quality
  • Perfect for BMW enthusiasts seeking affordable yet reliable hose clamps
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70-90mm 3/8"/9mm Band Hose Clamp
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T#:363017
Part#: 003402ECS06A-11
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Upgrade your BMW with ECS Tuning's Stainless Steel Hose Clamps, designed for convenience and durability. With various band widths and German-style T-bolts, these clamps offer easy adjustment to your required diameter. Say goodbye to dealer pricing and enjoy the quality you love at ECS Tuning.

  • Full stainless steel construction
  • Various band widths available
  • German-style T-bolts for easy adjustment
  • Convenient solution for hose clamp replacement
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1/2"/12mm Band Hose Clamp - 25-40mm - Priced Each
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T#:385425
Part#: 003402ECS05A-06
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Upgrade Your BMW Maintenance with Stainless Steel Hose Clamps from ECS Tuning

ECS Tuning introduces premium full stainless steel hose clamps, offering superior quality and convenience for your BMW maintenance. Avoid dealership delays and overpricing by choosing from a selection of band widths, ensuring you receive top-quality hose clamps without overpaying.

Key Benefits:

  • Premium full stainless steel hose clamps
  • Various band widths for enhanced convenience
  • High-quality alternative to dealership pricing
  • Readily available stock eliminates waiting time
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3/8"/9mm Band Hose Clamp - 50-70mm
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T#:341684
Part#: 003402ECS06A-12
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Elevate your BMW maintenance with ECS Tuning's 304 stainless steel hose clamps, offering convenience and top-quality performance at an affordable price. Designed with various band widths and German-style T-bolts for adjustable sizing, these hose clamps ensure a secure fit for your specific diameter needs. Skip the dealership wait and excessive pricing; ECS Tuning provides reliable, dealership-quality hose clamps without the premium cost, ensuring your car receives the care it deserves.
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77-85mm - 3/4" Band Hose Clamp
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T#:377877
Part#: 003402ECS07A-05
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Upgrade your BMW's hose clamps with the 77-85mm - 3/4" Band Hose Clamp from Turner Motorsport. These full 304 stainless steel clamps offer convenience and quality without the dealership price tag. German-style T-bolts allow for easy adjustment to your required diameter, ensuring a secure fit every time.

  • Made of durable 304 stainless steel for long-lasting performance
  • German-style T-bolt design for easy size adjustment
  • Convenient band widths for versatile applications
  • Quality alternative to dealership pricing
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Hose Clamp 2 5/16" - 3 1/4" - priced each
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T#:376806
Part#: 54155K23
Ships in 1-2 days
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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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2 Pin Connector
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T#:33412932
Part#: 61132359999
Ships on Jul 28, 2026
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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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