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Meyle BMW Cooling System Parts & Accessories for BMW Z3 (1996-2002)

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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Meyle Radiator Fan Clutch - E12, E24, E28, E30, E34, E36, Z3 ...

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T#:384584

Part#: 11521723918

In Stock

$ 108.99

This product was last offered at the strikethrough price on
03-26-2026

$ 89.99 USD

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$ 89.99 USD

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Quality aftermarket replacement

Meyle Water Pump - E30/E36/Z3 318i/is/ic/Z3 1.9 with M42/M44 engine ...

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T#:579327

Part#: 3130113400

Ships in 1-2 days

$ 58.99 USD

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$ 58.99 USD

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Includes o-ring, features metal impeller.

Meyle Coolant Expansion Tank - E36, E39, Z3

Up to production date 09/1998

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T#:556111

Part#: 17111723520

Ships on Oct 13, 2026

$ 34.99 USD

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$ 34.99 USD

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Does not include cap or coolant level sensor

Water Pump and Seal - with upgraded metal impeller - MEYLE

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T#:579324

Part#: 11517509985

Ships on Oct 13, 2026

$ 52.99 USD

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$ 52.99 USD

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Ensure the optimal performance of your BMW by addressing the crucial component of the water pump. Turner Motorsport provides high-quality water pumps designed to keep coolant flowing smoothly. If left unchecked, a failing water pump can lead to overheating issues, potentially causing damage to engine internals. Common among German vehicles, water pump failure may result in unnecessary visits to the repair shop. Preventive maintenance, especially during timing belt replacements, is essential to avoid rapid coolant temperature rise and potential engine damage.

Prevents overheating issues
Guards against engine damage
Common replacement during timing belt maintenance
Ensures smooth coolant flow for optimal engine performance
Options for thermostats available on Turner Motorsport's website
Convenient coolant replacement options
Recommended replacement around 60,000 miles

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Fan Blade

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T#:594536

Part#: 11521723363

Ships on Oct 13, 2026

$ 32.99 USD

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This fan is driven by the 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 peices. Be sure to get a new fan clutch, while you are replacing this.

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Meyle Expansion Tank Cap

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T#:579357

Part#: 3148009004

In Stock

Sale - Save 40% $ 14.99

This product was last offered at the strikethrough price on
05-15-2026

$ 8.99 USD

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Sale - Save 40%

$ 14.99

This product was last offered at the strikethrough price on
05-15-2026

$ 8.99 USD

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Replace worn or missing pieces.

Coolant Temperature Sensor

For vehicles with production date up to 09/1998

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T#:594615

Part#: 13621703993

Special Order: No Guaranteed ETA

$ 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 BMW Cooling System Parts & Accessories for BMW Z3 (1996-2002)

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Meyle Radiator Fan Clutch - E12, E24, E28, E30, E34, E36, Z3 ...

Meyle Water Pump - E30/E36/Z3 318i/is/ic/Z3 1.9 with M42/M44 engine ...

Meyle Coolant Expansion Tank - E36, E39, Z3

Water Pump and Seal - with upgraded metal impeller - MEYLE

Fan Blade

Meyle Expansion Tank Cap

Coolant Temperature Sensor

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