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BMW Cooling System Parts & Accessories

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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Hex Bolt & Washer Kit

T#:55245856

Part#: 0711990XXKTKT

Ships in 1-2 days

$ 35.31 USD

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$ 35.31 USD

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Turner Motorsport offers this Genuine BMW Hex Bolt and Washer Kit to keep your chassis maintenance or engine refresh completely up to factory standard.

Radiator Hose - Lower

10X Entries Into Our F80 M3 Sweepstakes

T#:53008808

Part#: 17127564478

In Stock

Sale - Save 20% $ 37.99

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

$ 30.39 USD

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$ 37.99

This product was last offered at the strikethrough price on
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$ 30.39 USD

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O-Ring And Gasket Kit

T#:55245812

Part#: 17227800XKT

In Stock

$ 24.21 USD

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$ 24.21 USD

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This Maintenance Seal Kit bundles two high-failure items that should always be replaced anytime the engine oil cooler lines or oil level sensor are disturbed.

Gasket, Water Pump (Cooling System)

2X Entries Into Our F80 M3 Sweepstakes

T#:54852013

Part#: B47.470

In Stock

$ 11.99 USD

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$ 11.99 USD

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Upgrade your worn components with this high-quality piece and drive with the confidence that your engine is sealed tight and performing at its absolute best.

Coolant Hose & Hardware Refresh Kit

T#:55317676

Part#: 11531CKT

In Stock

$ 74.07 USD

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$ 74.07 USD

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Preventative cooling system maintenance is vital, and this complete hose and clamp overhaul kit is designed to eliminate weak points before they fail.

Radiator Lower Support & Bushing Kit

T#:55317651

Part#: 171178RLSKT

Ships in 1 Business Day

$ 56.33 USD

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$ 56.33 USD

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Keep your cooling system locked down on the street and the track with the Turner Motorsports Radiator Lower Support & Bushing Kit.

Lower Radiator Mount & Bracket Refresh Kit

T#:55245854

Part#: 1711117XKT

Ships in 1-2 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.

Water Pump Installation Hardware Kit

T#:55209926

Part#: 0071199KT

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$ 8.59 USD

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$ 8.59 USD

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This Genuine BMW water pump installation hardware kit is the exact factory refresh package needed to maintain the structural integrity of your cooling system's plumbing.

Oil Cooler Line O-Ring & Screw Kit

T#:55281750

Part#: 1722OCLKT

Ships in 1-2 days

$ 20.60 USD

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$ 20.60 USD

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This Genuine BMW Oil Cooler Line O-Ring & Screw Kit includes the exact factory components required to safely service your oil cooler hard lines.

Hose F Engine Inlet-Changeover Valve - F22, F23, F30, F31, F32, F33, ...

T#:56110319

Part#: 17125B3AE07

In Stock

6% off MSRP $ 104.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 98.99 USD

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6% off MSRP

$ 104.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 98.99 USD

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Radiator Mounting Kit

T#:55317656

Part#: 1711173RMKT

Ships in 1-2 days

$ 59.16

This product was last offered at the strikethrough price on
08-24-2026

$ 59.02 USD

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$ 59.02 USD

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This Genuine BMW Radiator Mounting Kit provides the absolute best option for restoring the factory anchoring system on your chassis.

Coolant Refresh Kit

T#:55317654

Part#: 1153CRKKT

Ships in 1-2 days

$ 56.52 USD

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$ 56.52 USD

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Whether you’re maintaining an iconic E30 318i or keeping your daily driver running cool, Turner Motorsport has you covered with this direct-fit Cooling Replacement Kit.

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.

Genuine BMW S14 Coolant Hose Refresh Kit - 11531chrKT - E30 M3 ...

T#:59074966

Part#: 11531CHRKT

Ships in 1-2 days

$ 95.08 USD

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$ 95.08 USD

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This kit replaces the critical coolant hoses and clamps on the E30 M3. It restores cooling system integrity, preventing common hose failures that lead to leaks and overheating.

RADIATOR RETURN LINE

T#:56869530

Part#: 32415B33329

Ships in 5 Business Days

2% off MSRP $ 169.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 165.99 USD

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2% off MSRP

$ 169.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 165.99 USD

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Cooling & Drive Belt Service Kit

T#:55317703

Part#: 112814CRKT

Ships in 6 Business Days

$ 80.26 USD

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$ 80.26 USD

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Swap out your aged factory components before they fail, and maintain total confidence in your charging, cooling, and air conditioning systems.

Coolant Expansion Tank - With Cap

10X Entries Into Our F80 M3 Sweepstakes

T#:55497428

Part#: 17137640514

Ships on Nov 10, 2026

Sale - Save 10% $ 69.99

This product was last offered at the strikethrough price on
10-08-2026

$ 62.99 USD

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$ 69.99

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$ 62.99 USD

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Radiator Fan Clutch

10X Entries Into Our F80 M3 Sweepstakes

T#:56507828

Part#: 11527502804

Ships on Nov 10, 2026

Sale - Save 10% $ 85.99

This product was last offered at the strikethrough price on
10-08-2026

$ 77.39 USD

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$ 77.39 USD

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New Water Pump - With O-Ring - Metal Impellar

10X Entries Into Our F80 M3 Sweepstakes

T#:56074199

Part#: 11517838201

Ships on Nov 19, 2026

$ 99.99 USD

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$ 99.99 USD

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Engine Water Pump Gasket Kit

2X Entries Into Our F80 M3 Sweepstakes

T#:54317216

Part#: 359.200

Ships on Nov 24, 2026

$ 12.99 USD

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$ 12.99 USD

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This Elring water pump gasket set is the perfect solution for refreshing your BMW's cooling circuit during a water pump service or cooling system overhaul.

Water Pump - Metal Impeller

10X Entries Into Our F80 M3 Sweepstakes

T#:55030824

Part#: 11517550484

Ships on Nov 27, 2026

Sale - Save 10% $ 47.99

This product was last offered at the strikethrough price on
10-08-2026

$ 43.19 USD

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$ 43.19 USD

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B58 Upgraded Mechanical Water Pump

10X Entries Into Our F80 M3 Sweepstakes

T#:56760924

Part#: 11518632585M

Ships on Dec 14, 2026

Sale - Save 10% $ 89.99

This product was last offered at the strikethrough price on
10-08-2026

$ 80.99 USD

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Water Pump - Mechanical W/ Metal Impeller

10X Entries Into Our F80 M3 Sweepstakes

T#:56869518

Part#: 11517801063

Ships on Dec 14, 2026

Sale - Save 19% $ 89.99

This product was last offered at the strikethrough price on
10-21-2026

$ 72.99 USD

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10-21-2026

$ 72.99 USD

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Radiator Fan Clutch

10X Entries Into Our F80 M3 Sweepstakes

T#:57304041

Part#: 11527831619

Ships on Dec 29, 2026

Sale - Save 10% $ 75.99

This product was last offered at the strikethrough price on
10-08-2026

$ 68.39 USD

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$ 75.99

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$ 68.39 USD

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E30 Coolant Expansion Tank

10X Entries Into Our F80 M3 Sweepstakes

T#:57507437

Part#: 17111712641

Ships on Jan 11, 2027

Sale - Save 6% $ 49.99

This product was last offered at the strikethrough price on
10-21-2026

$ 46.99 USD

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$ 46.99 USD

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Water Pump With Support Bracket

10X Entries Into Our F80 M3 Sweepstakes

T#:58271045

Part#: 11517644809

Ships on Jan 11, 2027

Sale - Save 10% $ 189.99

This product was last offered at the strikethrough price on
10-08-2026

$ 170.99 USD

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$ 189.99

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10-08-2026

$ 170.99 USD

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Thermostat - 80°C

10X Entries Into Our F80 M3 Sweepstakes

T#:57507417

Part#: 11531318274

Ships on Jan 11, 2027

Sale - Save 10% $ 59.99

This product was last offered at the strikethrough price on
10-08-2026

$ 53.99 USD

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$ 53.99 USD

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Coolant Expansion Tank

10X Entries Into Our F80 M3 Sweepstakes

T#:53044121

Part#: 17137601948

In Stock

Sale - Save 8% $ 72.99

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

$ 67.49 USD

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$ 72.99

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

$ 67.49 USD

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Heater Core Supply Hose

10X Entries Into Our F80 M3 Sweepstakes

T#:58271049

Part#: 64216983858

Ships on Jan 28, 2027

Sale - Save 10% $ 46.99

This product was last offered at the strikethrough price on
10-08-2026

$ 42.29 USD

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$ 46.99

This product was last offered at the strikethrough price on
10-08-2026

$ 42.29 USD

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Auxiliary Water Pump

10X Entries Into Our F80 M3 Sweepstakes

T#:58745792

Part#: 11517583965

Ships on Feb 4, 2027

Sale - Save 10% $ 179.99

This product was last offered at the strikethrough price on
10-08-2026

$ 161.99 USD

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$ 179.99

This product was last offered at the strikethrough price on
10-08-2026

$ 161.99 USD

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Mechanical Water Pump

10X Entries Into Our F80 M3 Sweepstakes

T#:57086679

Part#: 11518638026

Ships on Feb 11, 2027

Sale - Save 13% $ 119.99

This product was last offered at the strikethrough price on
10-08-2026

$ 104.99 USD

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Sale - Save 13%

$ 119.99

This product was last offered at the strikethrough price on
10-08-2026

$ 104.99 USD

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Coolant Return Hose - Engine To Radiator

10X Entries Into Our F80 M3 Sweepstakes

T#:57471130

Part#: 17128616548

Ships on Feb 22, 2027

Sale - Save 10% $ 99.99

This product was last offered at the strikethrough price on
10-08-2026

$ 89.99 USD

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$ 99.99

This product was last offered at the strikethrough price on
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$ 89.99 USD

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Returns coolant from the engine block to the radiator

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