BMW Cooling System Parts & Accessories for BMW A90 MKV Supra B58 3.0L

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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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OEM Style Hose Clamps
OEM Style Hose Clamps
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:338927
Part#: HOSE-CLAMPS
In Stock
Sale - Save 3% $ 3.99

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

Starting at $ 3.87 USD
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$ 3.99

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

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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.
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Bav Auto Spill-Proof Coolant / Antifreeze Funnel
Bav Auto Spill-Proof Coolant / Antifreeze Funnel
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580395
Part#: B8800082
Ships in 8 Business Days
Sale - Save 15% $ 33.99

This product was last offered at the strikethrough price on
08-19-2026

$ 28.99 USD
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$ 33.99

This product was last offered at the strikethrough price on
08-19-2026

$ 28.99 USD
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Multiple adapters include to fit a variety of vehicles.
Bav Auto Fan Clutch Wrench - 32mm
Bav Auto Fan Clutch Wrench - 32mm
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580348
Part#: B8800019
In Stock
Sale - Save 20% $ 29.99

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

$ 23.99 USD
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$ 29.99

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

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Used to remove your fan clutch
Universal 14" Electric Fan - Black
Universal 14" Electric Fan - Black
Spal - Corporate Logo
T#:598861
Part#: 30100385
In Stock at Vendor
15% off MSRP $ 130.99

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

$ 111.99 USD
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15% off MSRP
$ 130.99

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

$ 111.99 USD
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1038 CFM. High performance puller fan with curved blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 15.2in x 14.5in x 2.2in Airflow (CFM): 1038
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Spal Thermo-Switch - 185 Degree
Spal Thermo-Switch - 185 Degree
Spal - Corporate Logo
T#:25507142
Part#: SPL185TS
Back Ordered
$ 44.99 USD
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$ 44.99 USD
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This part replaces faulty thermo-switches found in Spal electric fan conversion kits.
Bav Auto Angled Hose Pinch Plier Set - 2pc
Bav Auto Angled Hose Pinch Plier Set - 2pc
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
T#:580379
Part#: B8800058
In Stock
Sale - Save 25% $ 32.99

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

$ 24.74 USD
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Sale - Save 25%
$ 32.99

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

$ 24.74 USD
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Angled jaws close, creating a complete seal every time you use them - the jaws are offset, making it possible to use in hard-to-reach locations. Made of glass-filled nylon for extra strength. These are perfect for use with brake lines, etc.
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AUTOTECKNIC DRY CARBON FIBER COOLING PLATE - A90 SUPRA
AUTOTECKNIC DRY CARBON FIBER COOLING PLATE - A90 SUPRA
AUTOTECKNIC - Corporate Logo
T#:21078422
Part#: ATK-TO-0007
Ships in 7 Business Days
$ 495.00 USD
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$ 495.00 USD
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AutoTecknic's Dry Carbon Cooling Plate provides the A90 with better air induction while providing the intake and engine with cooler air during high-speed driving. It also gives your engine bay a fresh appearance. Set your Supra apart from the rest! Treat your car to some better breathing and a sportier look!
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Fan mounting pin - priced each
Fan mounting pin - priced each
Spal - Corporate Logo
T#:598910
Part#: 30130013
In Stock at Vendor
$ 6.99 USD
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$ 6.99 USD
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Wire pin used to mount electric fan directly to radiator.
BMS Heat Exchanger Upgrade - G-Chassis B58
BMS Heat Exchanger Upgrade - G-Chassis B58
Burger Motorsports - Corporate Logo
T#:5095728
Part#: GCHASB58HEATEXCH
Ships on Oct 27, 2026
$ 480.00 USD
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$ 480.00 USD
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This heat exchanger upgrade is a high-quality replacement that dramatically lowers engine oil and water temperatures by providing a 50% larger cooling surface than OEM. The benefits are most noticed during back to back runs at higher boost levels where the factory cooling capacity can be overwhelmed resulting in ignition timing pull and reduced turbo efficiency. Direct bolt-in installation.
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16" Fan shroud gasket
16" Fan shroud gasket
Spal - Corporate Logo
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.
O-RING
O-RING
Victor Reinz - Corporate Logo
T#:580584
Part#: C32348
Ships in 6 Business 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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