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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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Schwaben Coolant Refill/Air Purge Tool

10X Entries Into Our F80 M3 Sweepstakes

T#:362940

Part#: 003466SCH01

In Stock

Sale - Save 20% $ 112.99

This product was last offered at the strikethrough price on
09-29-2026

$ 90.39 USD

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$ 112.99

This product was last offered at the strikethrough price on
09-29-2026

$ 90.39 USD

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When it comes to BMW's we all know the weak point is commonly in the cooling system, many models proving hard to bleed the air pockets out after the refresh. The coolant refill tool solves this problem, ensuring that you get an air pocket free fill. The entire task is as simple as draining the system like normal, reinstalling the drain plugs and hooking the tool up to your refill location. The reason this tool works so well is due to the venturi valve, it converts air pressure from the compressor to vacuum inside the cooling system, then with a twist of a valve sucks coolant right into the system using the vacuum pressure.

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Race German Coolant Temperature Sender Adapter - M12x1.5

T#:6827887

Part#: RGCTSAM12

In Stock

$ 35.99 USD

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$ 35.99 USD

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Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for M12x1.5 sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor

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Race German Coolant Temperature Sender Adapter - 1/8NPT

T#:6827888

Part#: RGCTSA1/8NPT

In Stock

$ 35.99

This product was last offered at the strikethrough price on
10-07-2026

$ 31.99 USD

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$ 35.99

This product was last offered at the strikethrough price on
10-07-2026

$ 31.99 USD

Limited Qty Sale

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Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for 1/8NPT sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor

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Schwaben Locking Hose Clamp Pliers

10X Entries Into Our F80 M3 Sweepstakes

T#:377131

Part#: 004170SCH01A

Ships on Oct 28, 2026

$ 63.99

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

$ 57.99 USD

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$ 57.99 USD

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These pliers feature a spring loaded clamp with a 24" cable and will lock onto the clamp and hold open for easy removal. These pliers are designed to remove metal or plastic self-tightening hose clamps with diameters from 11/16" to 2-1/2" ( 18 to 54mm).

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BMW & MINI Universal Oil Cooler - 10 Row

T#:29002063

Part#: MMOC10

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$ 126.99 USD

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$ 126.99 USD

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BMW & MINI Universal Oil Cooler - 10 Row is a versatile cooling solution designed to enhance the performance and reliability of BMW and MINI vehicles. This high-quality oil cooler provides efficient cooling for the engine oil, ensuring optimal operating temperatures and extending the life of vital engine components.

Crafted with precision engineering and durable materials, the BMW & MINI Universal Oil Cooler - 10 Row is compatible with a wide range of BMW and MINI models, offering versatility and ease of installation. It effectively dissipates heat from the engine oil, reducing the risk of overheating and engine damage.

Enhances performance and reliability of BMW and MINI vehicles
Efficient cooling for engine oil, ensuring optimal operating temperatures
Extends the life of vital engine components
Compatible with a wide range of BMW and MINI models
Versatile and easy to install
Crafted with precision engineering and durable materials

Investing in the BMW & MINI Universal Oil Cooler - 10 Row is a smart choice for BMW and MINI owners looking to improve their vehicle's performance and longevity.

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Radiator Pressure Tester Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:391482

Part#: 014710SCH01A

In Stock

Sale - Save 25% $ 205.99

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

$ 154.49 USD

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Sale - Save 25%

$ 205.99

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

$ 154.49 USD

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Are you refreshing your coolant system or having issues with coolant loss? An easy way to test your system for leaks and ensure you're able to maintain pressure without coolant loss is the Schwaben Cooling System Pressure Tester Kit.

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Universal Oil Cooler Black - 10 Row

T#:31291020

Part#: MMOC10BK

Ships in 3 Business Days

$ 126.99 USD

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$ 126.99 USD

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Universal Oil Cooler Black - 10 Row is engineered to maintain optimal oil temperatures and ensure peak engine performance under various driving conditions. This high-performance oil cooler effectively reduces oil temperatures, preventing a drop in pressure and maintaining proper engine lubrication. Featuring a robust 10-row design, it offers superior cooling efficiency compared to standard coolers.

Efficient Cooling: The 10-row design enhances cooling capacity to manage high oil temperatures effectively.
Durable Construction: Black finish provides durability and resistance to environmental factors.
Optimized Performance: Helps prevent a drop in oil pressure and maintains proper engine lubrication.
Versatile Fitment: Universal design suitable for various vehicles and applications.
Compact Size: Overall dimensions of 12.95" x 3.8" x 1.97" and core dimensions of 11" x 2.76" x 1.97" ensure a good fit in most engine bays.

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 all 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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Schwaben Locking Hose Pinch-Off Pliers

10X Entries Into Our F80 M3 Sweepstakes

T#:379950

Part#: 009787SCH01A

In Stock

Sale - Save 15% $ 39.99

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

$ 33.99 USD

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$ 39.99

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

$ 33.99 USD

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Schwaben Locking Hose Pinch-Off Pliers have adequate clamping force to effectively seal large or pressurized cooling system hoses. These pliers are ideal for clamping shut most hoses, ensuring reliability in your automotive tasks. With swivel jaws, they provide even clamping force, making them a versatile tool for various applications.

Adequate clamping force for large or pressurized hoses
Ideal for clamping shut most hoses
Swivel jaws ensure even clamping force
Versatile tool for automotive maintenance

WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, and/or reproductive harm. For more information, visit http://www.p65warnings.ca.gov.

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Universal Oil Cooler with Thermostat - 19 Row

T#:19593926

Part#: MMOCULT

In Stock at Vendor

$ 599.99 USD

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$ 599.99 USD

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Enhance your BMW's performance and protect its engine with this high-quality oil cooler kit

Even under ideal driving conditions, elevated oil temperatures can lead to decreased lubrication efficiency and pressure. With this oil cooler, you can maintain optimal oil temperatures for peak driving performance.

Kit Includes:

Four feet of stainless braided line for durability
Adapter fittings for easy installation
Oil filter sandwich adapter for seamless integration

Specifications:

Rows: 19
Overall Dimensions: 13" x 5.5" x 2"
Core Dimensions: 11.25" x 5.5" x 2"
Braided Hoses: 4ft .75 inch & 4ft 9 inch
Braided Hose Fittings: -10AN
Sandwich Plate Fittings: -10AN
Includes Thermostat for precise temperature and flow control

*WARNING: This product may be subject to Proposition 65 regulations in California. For more information, visit www.P65Warnings.ca.gov.

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BMW Water Pump Gasket

2X Entries Into Our F80 M3 Sweepstakes

T#:15247123

Part#: 11518632587

In Stock

$ 16.99

This product was last offered at the strikethrough price on
09-21-2026

$ 13.49 USD

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$ 13.49 USD

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In order to ensure a leak free driving experience, replace these gaskets whenever you change or work on your water pump. If you are noticing small leaks, these might be to blame.

Mishimoto Universal Fan Mount Kit

T#:363171

Part#: MMFANMOUNT

In Stock

$ 15.99 USD

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$ 15.99 USD

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The Mishimoto universal fan mount kit is used to mount a Mishimoto electric fan to any Mishimoto aluminum radiator. Great for custom applications, the Mishimoto fan can be mounted in any convenient position on the radiator. Universal fan mount fits any Mishimoto electric fan Ideal for custom applications Mounts fan in any convenient position Mishimoto Lifetime Warranty

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Oil Cooler Gasket Set

2X Entries Into Our F80 M3 Sweepstakes

T#:15048412

Part#: 11428583897

Ships in 1 Business Day

$ 21.99

This product was last offered at the strikethrough price on
08-26-2026

$ 19.99 USD

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$ 19.99 USD

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Avoid leaks and other issues by replacing your oil cooler gaskets upon taking out or replacing the unit itself!

Schwaben Radiator/ Intercooler Fin Comb

10X Entries Into Our F80 M3 Sweepstakes

T#:384260

Part#: 015326SCH01A

In Stock

Sale - Save 29% $ 20.99

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

$ 14.99 USD

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$ 20.99

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

$ 14.99 USD

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Straighten bent fins in heat exchangers like radiators, condensers, and intercoolers obstruct air flow and reduce heat transfer. Paper-thin fins are easily bent, even by slight pressure.

BMS Heat Exchanger Upgrade - G-Chassis B58

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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