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

T#:374427

Part#: 17111723520KT2

Ships in 1-2 days

$ 400.99

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

$ 395.99 USD

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$ 395.99 USD

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Service Kit - Intake & Cooling

T#:55245851

Part#: 11XX17KT

Ships in 1-2 days

$ 25.88 USD

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$ 25.88 USD

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Maintain the factory engineering integrity and peak performance of your ultimate driving machine with this Genuine BMW Intake and Cooling Refresh Kit.

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

Located in the cylinder head

T#:580139

Part#: 9107471

Ships in 4 Business Days

$ 15.99 USD

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$ 15.99 USD

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2 pin

O-RING

T#:580584

Part#: C32348

Ships in 1-3 days

$ 3.99

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

$ 2.99 USD

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$ 2.99 USD

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Hose Clamp - 40mm-60mm

10X Entries Into Our F80 M3 Sweepstakes

T#:5227

Part#: 040-60T

Ships in 4 Business Days

$ 3.99 USD

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$ 3.99 USD

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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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Rein Coolant Hose - E36

2X Entries Into Our F80 M3 Sweepstakes

T#:35875

Part#: 11531703844

Ships in 1-2 days

$ 9.17 USD

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$ 9.17 USD

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BMW HOSE F RADIATOR AND ENGINE R

Gates Radiator Hose - Upper - E36, Z3

T#:401921

Part#: 11531708499

Ships on Oct 15, 2026

$ 39.99 USD

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$ 39.99 USD

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New upper radiator hose for your BMW

Bremmen Engine Fan Blade - 11 Blades, 420mm - BMW M30 S38 M50 M52 S5...

10X Entries Into Our F80 M3 Sweepstakes

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

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Sale - Save 22%

$ 23.99

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

$ 18.76 USD

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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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Radiator Hose - Lower

10X Entries Into Our F80 M3 Sweepstakes

T#:39295543

Part#: 11531726344

In Stock

Sale - Save 22% $ 22.99

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

$ 17.94 USD

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Sale - Save 22%

$ 22.99

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

$ 17.94 USD

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Coolant Temperature Sensor

5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

T#:594615

Part#: 13621703993

Ships on Oct 13, 2026

$ 18.99 USD

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$ 18.99 USD

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This is the coolant temperature sensor used in many BMW models from the mid-1990s to the mid-2000s. The engine computer relies on the coolant temp to set the fuel mapping for the engine. As the car warms up the computer changes the fuel mixture. If your car is running a bit rich (too much fuel) it could be because this sensor is failing and not sending the correct info to the computer.

This sensor is located in a variety of places depending on the engine. But it's one of those easy replacement items 'while you're in there' when doing a water pump or thermostat replacement.

This coolant temp sensor fits the following BMWs:
1996-1999 E36 BMW 323is 323ic 328i 328is 328ic M3, located in cylinder head
1999-2003 E39 BMW 540i, located on side of water pump
1999-2001 E38 BMW 740i 740il, located on side of water pump
1995-1996 E38 BMW 750il, located on side of water pump
1990-1999 E31 BMW 850i 850ci, located on side of water pump
2000-2006 E53 BMW X5 3.0i, located in cylinder head
2000-2006 E53 BMW X5 4.4i/4.6is/4.8is, located on side of water pump
1997-2002 Z3 BMW Z3 2.5i Z3 3.0i, located in cylinder head

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Meyle Heater Hose - E36

5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

T#:374249

Part#: 64211394293

Ships on Oct 13, 2026

$ 12.99 USD

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$ 12.99 USD

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Engine inlet to heater control valve

Lower Radiator Mount - Priced Each

T#:361005

Part#: 17111178412

Back Ordered

$ 2.03 USD

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$ 2.03 USD

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This is the small lower rubber mount that goes on the bottom of the radiator. These mounts sit down into mount 17111723337. Fits left or right side - priced each

Coolant Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:373145

Part#: 13541735173

Ships in 2 Business Days

$ 13.99 USD

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$ 13.99 USD

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Cylinder head to thermostat

Coolant Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:373146

Part#: 13541735174

Ships in 2 Business Days

$ 8.99 USD

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$ 8.99 USD

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Thermostat to throttle body

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

Located in the cylinder head

We Price Match - Give Us A Call or Chat!

T#:382428

Part#: 12621747281

In Stock

$ 20.99 USD

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$ 20.99 USD

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