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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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Febi Thermostat - 88Â°C - E30, E34, E36, Z3

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T#:382407

Part#: 11537511580

Ships on Oct 8, 2026

$ 32.99 USD

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$ 32.99 USD

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Includes sealing O-ring gasket

Meyle Coolant Expansion Tank - E36, E39, Z3

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T#:556111

Part#: 17111723520

Ships on Nov 19, 2026

$ 34.99 USD

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$ 34.99 USD

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Does not include cap or coolant level sensor

Wahler Auxiliary Thermostat - E34, E36

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T#:375968

Part#: 13541730682

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$ 66.99 USD

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$ 66.99 USD

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Thermostat that controls water flow temperature to the throttle body

Sachs Radiator Fan Clutch - E34, E36, E39, E46, E53, Z3

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T#:591739

Part#: 11527505302

Back Ordered

$ 133.99

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

$ 129.99 USD

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$ 129.99 USD

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Common source of engine overheating

Auxiliary Fan Assembly With Shroud

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T#:375425

Part#: 64508364093

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$ 194.99 USD

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$ 194.99 USD

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This is an entire electric fan assembly that includes both the fan motor itself as well as the fan blade.

Moroso Performance Aluminum Expansion Tank - E36, Z3

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T#:568887

Part#: 63791

In Stock

$ 445.99 USD

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$ 445.99 USD

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If you have ever experienced a leaking plastic BMW expansion tank you will realize the value of this aluminum version straight away. Even if a failure has not happened to you, it's easy to tell this tank is much stronger and more durable than the plastic used in the stock design. The original BMW plastic tanks suffer from leaks and failures with no warning. While being lightweight and recyclable the design and construction of the stock tank is just not up for reliable long term use. Moroso coolant expansion tanks are all pressure tested for guaranteed leak-free operation and utilizes the stock pressure cap to prevent excessive pressure in the cooling system from blowing off a radiator hose or seal! Features: Each cooling system expansion tank includes a 1/8 in. pipe overflow fitting at neck, a 1/4 in. NPT water intake bung, and a 1/2 in. bung at the bottom for plumbing a line to the radiator Rugged 6061-T6 billet aluminum filler necks welded to tank to withstand continuous removal and installation of cap 100% pressure tested to eliminate leaks Accepts a standard-size radiator cap

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Radiator Fan Switch Plug - E30, E34, E36, E23, E32

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T#:23947130

Part#: E30RADFANSP

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$ 17.99 USD

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$ 17.99 USD

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Thanks to its brittle plastic construction, this radiator fan switch plug is a common failure point. Race German offers this high-quality replacement to remedy this issue and get your car back to perfect operation.

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Fan Delete Nut

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T#:3459

Part#: 11511310640

In Stock

$ 17.99 USD

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$ 17.99 USD

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This BMW Motorsport part was designed for BMW touring car racing. This reverse thread nut covers the ugly exposed stud when you remove your engine fan and fan clutch. This simple part cleans up the look of an engine with the fan removed. Fits most BMW models. COOL!

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40-60mm 3/8"/9mm Band Hose Clamp

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T#:341280

Part#: 003402ECS06A-08

In Stock

Sale - Save 25% $ 3.99

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

$ 2.99 USD

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Sale - Save 25%

$ 3.99

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

$ 2.99 USD

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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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BMW Antifreeze Coolant - 1 Liter Bottle

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T#:11526

Part#: 82142209769

In Stock

$ 10.51 USD

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$ 10.51 USD

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This 1 liter bottle is perfect for topping of the coolant in your BMW. This is The use of Original BMW Anti-Freeze/Coolant will ensure sufficient cooling in summer and protection against freeze-ups in winter. BMW Antifreeze/Coolant will also guard your vehicle's various engine components against corrosion. BMW Anti-Freeze/ Coolant will prevent excessive silicate gel precipitation, which may cause plugging of the cooling system and lead to more extensive repairs.

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URO Coolant Temperature Sensor - BMW M44 M52 M62 M73 M54 S62 S50 S52 ...

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T#:639497

Part#: 13621703993

In Stock

$ 12.99 USD

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$ 12.99 USD

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URO Parts is one of the leading manufacturers of high quality direct replacement aftermarket components, covering a wide range of makes and models. All of their replacement parts are manufactured to ISO 9000 certification standards, so you can expect long lasting performance from URO Parts. 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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Rein Coolant Hose - E36

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T#:591767

Part#: 11531703844

In Stock

$ 8.14 USD

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$ 8.14 USD

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This is the heater hose that connects between the heater valve and the heater return hose

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