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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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16" Fan shroud gasket

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T#:598825

Part#: 30130074

In Stock at Vendor

$ 17.99 USD

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$ 17.99 USD

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Provides .25" stand off from radiator, does not work with high output fans.

Febi Freeze Plug - 11111714712

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T#:6570

Part#: 11111714712

In Stock at Vendor

$ 3.99

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

$ 1.81 USD

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$ 1.81 USD

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ENGINE COVER LID 11111714712

Performance Aluminum Radiator

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T#:392693

Part#: MMRADE3692KT

In Stock

$ 383.99 USD

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$ 383.99 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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Coolant Temperature Sender - 2 Pin

Located in the cylinder head

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T#:379619

Part#: 12621747281

Ships in 3 Business Days

$ 8.99 USD

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$ 8.99 USD

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Coolant Hose from Expansion Tank - E36

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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:6964

Part#: 11531730351

Ships in 1 Business Day

$ 18.79 USD

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$ 18.79 USD

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This coolant hose connects the water hose part #11531738053 to the radiator coolant expansion tank.Fits E36 3 series with M50, S50 or S52 engine.

This item fits the following BMWs:
1992-1998 E36 BMW 325i 325is 325ic M3

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OEM Rein Cooling Hose - E36, Z3

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T#:362532

Part#: 13541703865

In Stock at Vendor

$ 19.83

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

$ 18.99 USD

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$ 18.99 USD

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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.

Wahler Performance Thermostat - 75*C - M42, M50, M52, S50, S52 ...

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T#:54388511

Part#: 11537511580

In Stock at Vendor

$ 59.99 USD

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$ 59.99 USD

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75°C variant is specifically calibrated for track racing, forced-induction builds, or hot-climate competitive environments

Rein Radiator Hose - Lower - E36

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T#:348769

Part#: 11531726344

In Stock

$ 15.99

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

$ 13.99 USD

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$ 13.99 USD

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Replace your radiator hose before a blown hose leaves you stranded.

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

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T#:376806

Part#: 54155K23

Ships in 1-2 days

$ 4.99 USD

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$ 4.99 USD

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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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Genuine BMW - Level 1 Expansion Tank Replacement Kit - E36, Z3 ...

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T#:374427

Part#: 17111723520KT2

Ships in 2 Business Days

$ 399.99 USD

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$ 399.99 USD

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Lower Radiator Mount & Bracket Refresh Kit

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T#:55245854

Part#: 1711117XKT

Ships in 2 Business Days

$ 26.92 USD

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$ 26.92 USD

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This Genuine BMW Lower Radiator Mount and Bracket Refresh Kit supplies the factory-original hardware needed to overhaul your lower radiator supports.

Hella Coolant Temperature Sender - E31, E32, E34, E36, E38

Located in the cylinder head

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T#:580139

Part#: 9107471

Ships in 3 Business Days

$ 15.99 USD

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$ 15.99 USD

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