BMW Cooling System Parts & Accessories for BMW G42 M240i xDrive B58 3.0L

Genuine BMW HT-12 Coolant / Antifreeze - 1 Gallon

T#:600648

Part#: 83192468442

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$ 35.95 USD

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Ensure optimal cooling for your BMW with Genuine BMW Coolant, providing the quality and performance your vehicle deserves. When it comes to maintaining your BMW, replacing old or worn-out parts with factory replacements is essential, and fluids are no exception. Experience the benefits of Genuine BMW Coolant: Specially designed for BMW vehicles. Factory replacement for optimal performance. Addresses flaws in the factory cooling system. Prevents antifreeze loss in both cold and hot weather. Recognizable green color for easy identification. BMW HT-12 can be used in any vehicle that currently contains G48 coolant (blue), but G48 should not continue to be used in vehicles that were originally filled with HT-12. (see compatibility image) This HT-12 Antifreeze/Coolant is exclusively formulated and produced for BMW to protect your engine year-round when used as directed. It fulfills the very high standards and requirements set by BMW to help protect the engine against freezing, boil over, corrosion, and excessive silicate gel precipitation. This ethylene glycol-based antifreeze contains no nitrites or phosphate, greatly reducing the possibility of harmful deposit formation. BMW antifreeze provides protection for metals such as cast iron, steel, and aluminum.

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PENTOFROST NF 50/50 Antifreeze / Coolant Prediluted / Premixed - 1 G...

T#:34181293

Part#: 8114308

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$ 20.99 USD

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$ 20.99 USD

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Blue G11/G48 Coolant Pre-Mixed 50/50

Schwaben Coolant Refill/Air Purge Tool

10X Entries Into Our F80 M3 Sweepstakes

T#:362940

Part#: 003466SCH01

Ships in 1 Business Day

Sale - Save 20% $ 109.99

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

$ 87.99 USD

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$ 109.99

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$ 87.99 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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Coolant Vacuum Purge & Refill Tool Set

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T#:402498

Part#: 024948SCH01A

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Sale - Save 25% $ 115.99

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

$ 86.99 USD

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$ 115.99

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The Schwaben Coolant Vacuum Fill Tool ensures no air pockets get into your cooling system while you're replacing your coolant - intended for use to refill your cooling system, not for removal. Can be used with Schwaben fluid extractors or with shop air - standard air compressor with a minimum rating of 90 PSI (6.2 bar). Includes all fittings and adapters necessary for use, with a molded storage case to keep your Schwaben Vacuum Fill Tool pristine for future use.

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Genuine BMW Coolant Hose - Water Pump to Cylinder Head - BMW B58C B58...

T#:620753

Part#: 11538650983

Ships in 2 Business Days

2% off MSRP $ 106.99

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

$ 104.99 USD

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2% off MSRP

$ 106.99

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$ 104.99 USD

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Connects from the top coolant port on the water pump to the cylinder head

Schwaben Locking Hose Clamp Pliers

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T#:377131

Part#: 004170SCH01A

In Stock

Sale - Save 55% $ 63.99

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

$ 28.79 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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Radiator Pressure Tester Kit

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T#:391482

Part#: 014710SCH01A

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Sale - Save 25% $ 205.99

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$ 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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Schwaben Locking Hose Pinch-Off Pliers

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T#:379950

Part#: 009787SCH01A

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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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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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Genuine BMW Electronic Thermostat and Coolant Distribution Module - B...

T#:617366

Part#: 11538642559

Ships in 2 Business Days

Sale - Save 10% $ 449.99

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

$ 402.99 USD

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$ 449.99

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

$ 402.99 USD

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Genuine BMW electronic thermostat that is controlled by the car's computer for optimal control over the engine and coolant's temperature.

Junction Heat Hose - 11538606278

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T#:36913362

Part#: 11538606278

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Sale - Save 21% $ 54.99

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

$ 43.24 USD

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$ 54.99

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This junction heat hose, made from rubber, is prone to cracking, dry rot, and brittleness over time, often leading to coolant leaks at the front of the engine. Such leaks pose a significant risk to your engine’s health, as rapid coolant loss can cause overheating and severe damage.

Replace your worn or leaking heat hose with this high-quality OE replacement from Bremmen Parts. Engineered for a precise fit and long-lasting performance, this hose ensures a reliable repair and helps protect your engine from potential overheating.

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Genuine BMW Expansion Tank Cap - G2x G4x G6x G7x

T#:628106

Part#: 17138665638

In Stock

11% off MSRP $ 34.99

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$ 30.99 USD

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11% off MSRP

$ 34.99

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$ 30.99 USD

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A failing expansion tank cap can compromise your entire cooling system, leading to lost pressure, fluid boil-off, and dangerous temperature spikes under load. This Genuine BMW Coolant Reservoir Cap restores factory pressure thresholds to keep your coolant boiling point elevated during spirited driving and track sessions.

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HOSE - JUNCTION-HEAT

T#:546143

Part#: 11538606278

In Stock

8% off MSRP $ 84.99

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

$ 77.99 USD

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8% off MSRP

$ 84.99

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$ 77.99 USD

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Hose coming off the small fitting on the thermostat. Replacement coolant hose for damaged or worn items. Dont forget to change all associated parts when doing a cooling service, or to fix a leak.

Rein Aluminum Oil Filter Housing - BMW B58

2X Entries Into Our F80 M3 Sweepstakes

T#:49404665

Part#: 11428583901

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$ 440.00 USD

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$ 440.00 USD

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For those who push their engines to the limit, "good enough" is a liability. Upgrade to the Rein HEU0116 Aluminum Oil Filter Housing—the professional’s choice for durability and peace of mind.

Coolant Return Line

2X Entries Into Our F80 M3 Sweepstakes

T#:53856300

Part#: 11538650087

In Stock at Vendor

$ 60.99 USD

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$ 60.99 USD

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Rein Automotive turbo hoses are engineered to meet these rigorous demands, providing the reliability required for both the track and the street.

OEM INA Electronic Thermostat And Coolant Distribution Module - BMW B...

We Price Match - Give Us A Call or Chat!

T#:36201645

Part#: 11538642559

In Stock

$ 367.99

This product was last offered at the strikethrough price on
07-23-2026

$ 356.99 USD

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$ 356.99 USD

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Engineered specifically for BMW models, the electronic thermostat and coolant distribution module plays a vital role in the engine’s cooling system, adapting to changing temperatures for superior performance under all driving conditions. Whether on the track or the highway, this module ensures your BMW runs cooler, longer, and more efficiently.

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419 Pc. Metric Universal O-Ring Assortment

T#:3657943

Part#: ATD3601

Ships in 1 Business Day

$ 59.99 USD

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$ 59.99 USD

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Always have extra o-rings

Gear Wrench Angled Hose Clip Pliers

T#:387079

Part#: KDT3977

Ships in 1 Business Day

$ 53.99 USD

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$ 53.99 USD

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This tool is a variation of our popular 3976 Flat Band Hose Clamp Pliers and features 45º jaws with swivel tips to grip at any angle and pliers that latch securely in position.

Genuine BMW Engine Oil Cooler - BMW B58 & B58TU 3.0L (B58A & B58D) ...

T#:541339

Part#: 11428583901

Ships in 2 Business Days

6% off MSRP $ 266.99

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

$ 250.99 USD

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6% off MSRP

$ 266.99

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$ 250.99 USD

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Engine oil coolers help reduce the oil temperature, preventing the oil from breaking down prematurely and losing its lubricating properties. Engine oil coolers play a crucial role in regulating oil temperature, ensuring proper lubrication, and optimizing engine performance and longevity. Engine oil that is too hot drops in viscosity and does not provide adequate lubrication to sensitive engine components such as bearings, which can fail catastrophically if not properly lubricated. If your engine oil cooler has been damaged or has failed we recommend replacing it to ensure no damage occurs to your engine.

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PROFILE-GASKET

T#:528940

Part#: 11518632587

Ships in 1-2 days

Sale - Save 10% $ 33.99

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$ 30.66 USD

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

$ 30.66 USD

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This gasket needs to be replaced when splitting apart your pulley housing from the water pump. Gasket that goes between the coolant pump and the coolant pump front pulley assembly.

Fan Clutch Wrench - 32mm

T#:641760

Part#: CTAA878

Ships on Sep 16, 2026

$ 23.57 USD

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$ 23.57 USD

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Use to remove and install Fan Clutch Assemblies when replacing Water Pumps or doing other Engine Services

Oil Cooler Gasket Set

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T#:15048412

Part#: 11428583897

Ships in 2 Business Days

$ 21.25

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

$ 19.10 USD

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$ 19.10 USD

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

Genuine BMW Hose Clamp 07129952104

T#:6533

Part#: 07129952104

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$ 3.99 USD

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$ 3.99 USD

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GENUINE BMW HOSE CLAMP 07129952104

Genuine BMW Profile-Gasket - 11538658571

T#:222845

Part#: 11538658571

In Stock

7% off MSRP $ 14.99

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

$ 13.99 USD

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7% off MSRP

$ 14.99

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$ 13.99 USD

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Gasket that goes between the thermostat and radiator return pipe. Gaskets and seals are a wear item that should be replaced in conjunction with associated parts.

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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$ 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.

Genuine BMW Isa Screw - 07129905494

T#:28891

Part#: 07129905494

In Stock

5% off MSRP $ 7.74

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

$ 7.33 USD

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5% off MSRP

$ 7.74

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$ 7.33 USD

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Genuine water pump hardware. M6x16-8.8. 6 of these screws are found in association with the water pump

BMW Water Pump Gasket

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T#:15247123

Part#: 11518632587

In Stock

$ 16.99

This product was last offered at the strikethrough price on
06-10-2026

$ 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.

Electronic Thermostat And Coolant Distribution Module

10X Entries Into Our F80 M3 Sweepstakes

T#:50311455

Part#: 11538843406

In Stock

Sale - Save 43% $ 397.99

This product was last offered at the strikethrough price on
08-05-2026

$ 224.99 USD

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$ 397.99

This product was last offered at the strikethrough price on
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$ 224.99 USD

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Radiator Pressure Test kit 14 pc

T#:3629267

Part#: ATD3300

Ships in 6 Business Days

$ 497.99 USD

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$ 497.99 USD

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Adapters for most European and domestic vehicles

Engine Oil Cooler

2X Entries Into Our F80 M3 Sweepstakes

T#:42436716

Part#: 11428583901

Ships in 1 Business Day

$ 52.99 USD

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$ 52.99 USD

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Engine oil coolers are critical for keeping oil temperatures in check, preventing premature breakdown and maintaining proper lubrication. When oil gets too hot, it loses viscosity and can't effectively protect vital engine components like bearings—which can lead to serious, even catastrophic, failures. If your oil cooler is damaged or has failed, replacing it is essential to protect your engine and keep everything running smoothly.

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URO Coolant Expansion Tank Cap - G2x G4x G6x G7x

2X Entries Into Our F80 M3 Sweepstakes

T#:56760937

Part#: 17138665638

Ships in 1 Business Day

$ 25.99 USD

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$ 25.99 USD

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A compromised expansion tank cap can lead to loss of pressure, fluid leaks, and dangerous engine overheating. This URO Coolant Reservoir Cap provides a dependable, cost effective solution to restore factory pressure thresholds on modern G-Chassis BMW models.

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OEM Nissens Engine Oil Cooler - BMW B58 & B58TU 3.0L (B58A & B58D) ...

T#:27905106

Part#: 11428583901

Ships in 2 Business Days

$ 106.99

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

$ 103.99 USD

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$ 103.99 USD

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Engine oil coolers help reduce the oil temperature, preventing the oil from breaking down prematurely and losing its lubricating properties. Engine oil coolers play a crucial role in regulating oil temperature, ensuring proper lubrication, and optimizing engine performance and longevity. Engine oil that is too hot drops in viscosity and does not provide adequate lubrication to sensitive engine components such as bearings, which can fail catastrophically if not properly lubricated. If your engine oil cooler has been damaged or has failed we recommend replacing it to ensure no damage occurs to your engine.

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COOLANT LINE, TURBOCHARGER S

T#:606607

Part#: 11538650086

In Stock

4% off MSRP $ 179.99

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

$ 171.99 USD

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4% off MSRP

$ 179.99

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

$ 171.99 USD

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Genuine BMW Coolant Expansion Tank - Low Temp Circuit - BMW G42 G20 G...

T#:613871

Part#: 17138610653

Ships in 1-2 days

6% off MSRP $ 170.99

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

$ 160.99 USD

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6% off MSRP

$ 170.99

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

$ 160.99 USD

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If your coolant reservoir tank has cracked or if one of the mounting points has broken, this is the perfect replacement to ensure your coolant system remains leak-free. This reservoir specifically works with the low-temp circuit, which is responsible for cooling your manifold-integrated intercooler

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Genuine BMW O-Ring - BMW B58TU

T#:622579

Part#: 11539425963

Ships in 2 Business Days

$ 4.99 USD

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$ 4.99 USD

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Seals the connection between the Heat Management Module and the water pump housing

Genuine BMW Water Pump & Thermostat Kit - BMW B58C B58D (B58TU) ...

For vehicles with the B58D (Gen2) engine only - Will not fit the earlier B58A (Gen1) en...

For models without the 48V Mild Hybrid package

T#:29333997

Part#: 11518482251KT

Ships in 2 Business Days

$ 724.99 USD

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$ 724.99 USD

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If your water pump or thermostat has failed, this kit includes all the basic components needed to replace and restore your cooling system! Included: Water Pump Thermostat Housing (aka Heat Management Module) Coolant Outlet Pipe (L-Pipe) Gaskets & Seals

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Radiator Return Pipe - B58

T#:545300

Part#: 11538630023

Ships in 2 Business Days

6% off MSRP $ 329.99

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

$ 309.99 USD

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6% off MSRP

$ 329.99

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

$ 309.99 USD

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Coolant pipe that runs from the thermostat next to the engine block. Make sure your cooling system is working properly and leak free. When your in the tight spaces doing a service it makes sense to change all associated parts.

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Genuine BMW Coolant Expansion Tank - High Temp Circuit - BMW G42 G20 ...

T#:613870

Part#: 17138610652

Ships in 2 Business Days

6% off MSRP $ 198.99

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

$ 187.99 USD

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6% off MSRP

$ 198.99

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

$ 187.99 USD

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If your coolant reservoir tank has cracked or if one of the mounting points has broken, this is the perfect replacement to ensure your coolant system remains leak-free. This reservoir specifically works with the high-temp circuit, which is responsible for cooling your engine block and cylinder head.

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Genuine BMW Thermostat Module Preformed Seal - Small - BMW B58C B58D ...

T#:624783

Part#: 11539494424

Ships in 2 Business Days

13% off MSRP $ 14.99

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

$ 12.99 USD

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13% off MSRP

$ 14.99

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$ 12.99 USD

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This preformed seal is an o-ring seal that seals the connection between the thermostat housing/heat management module and the engine block. This seal is the larger of two seals located on the side of the heat management module.

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Genuine BMW Thermostat Module Preformed Seal - Large - BMW B58C B58D ...

T#:624784

Part#: 11539494425

Ships in 2 Business Days

13% off MSRP $ 14.99

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

$ 12.99 USD

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13% off MSRP

$ 14.99

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

$ 12.99 USD

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This preformed seal is an o-ring seal that seals the connection between the thermostat housing/heat management module and the engine block. This seal is the larger of two seals located on the side of the heat management module.

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Thermostat O-ring

T#:526204

Part#: 11538658572

In Stock

$ 9.99

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

$ 8.99 USD

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$ 8.99 USD

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O ring that seals the thermostat to the coolant pump. New seals are a must when doing any repairs.

O-RING

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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Anti-Freeze Tester

T#:641679

Part#: CTAA195

Ships in 5 Business Days

$ 9.98 USD

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$ 9.98 USD

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Tests all ethylene glycol solutions with radiator hot or cold

VEMO Electronic Thermostat And Coolant Distribution Module - BMW B58T...

T#:52903296

Part#: V20-99-0005

Ships on Oct 15, 2026

$ 336.99

This product was last offered at the strikethrough price on
08-05-2026

$ 301.99 USD

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$ 301.99 USD

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An electronic thermostat that is controlled by the car's computer for optimal control over the engine and coolant temperature. Internal valves are opened and closed by the vehicle's DME/ECU to achieve specific temperature targets for optimal engine efficiency and performance.

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BMW Cooling System Parts & Accessories for BMW G42 M240i xDrive B58 3.0L

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