BMW Cooling System Parts & Accessories for BMW 3 Series G20 (2019+)

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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
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Turner Motorsport - Corporate Logo
T#:338927
Part#: HOSE-CLAMPS
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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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Genuine BMW HT-12 Coolant / Antifreeze - 1 Gallon
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Genuine BMW - Corporate Logo
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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ECS Tuning Aluminum Coolant Bleeder Screw
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ECS - Corporate Logo
T#:363070
Part#: 003530ECS01A
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$ 26.99 USD
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Replace the flimsy plastic bleeder screw used in the coolant expansion tank or in one of the cooling system hoses with this high quality, durable, aluminum bleeder screw. The stock plastic screw can deform over time due to heat or even regular use. We have even seen the head of the screw snap off, leaving the threaded body stuck in the expansion tank. This aluminum screw will help to prevent sudden failure of the bleeder screw, which can result in immediate overheating of the car.

ECS Tuning's Aluminum Coolant Bleeder Screw replaces Genuine BMW Part Number 17111712788

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Schwaben Coolant Refill/Air Purge Tool
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Schwaben - Corporate Logo
T#:362940
Part#: 003466SCH01
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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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Titanium Coolant Bleeder Screw Upgrade
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Burger Motorsports - Corporate Logo
T#:38621407
Part#: BMS-TCBS
Back Ordered
$ 25.00 USD
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Replace your fragile OEM plastic coolant bleeder screw, which is prone to cracking and failure, with a premium titanium upgrade built for strength and style under the hood. Factory plastic components weaken over time due to constant heat cycles, leading to brittleness and potential failure. Our titanium replacement delivers superior durability, being twice as strong as aluminum yet 45% lighter than steel, ensuring unmatched resilience and long-term reliability for your coolant system. More than an upgrade, it’s a must-have for engine longevity. CNC-machined from solid titanium, each screw features a laser-etched Burger Motorsports logo and is hand-burned to create unique color patterns—no two are alike. A heavy-duty replacement O-ring is included for a perfect fit.
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Genuine BMW Engine Coolant Expansion Tank Cap - 17135A1BD89
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Genuine BMW - Corporate Logo
T#:29699315
Part#: 17135A1BD89
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6% off MSRP $ 34.99

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$ 32.99 USD
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$ 34.99

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Genuine BMW Cover Lid
This item fits the following BMW Chassis:
E70 X5M,E71 X6M,E70 X5,E71 X6,F01,F02,F06,F10,F12,F13,F15,F16,F30,F80 M3,F82 M4,F83,i3i12


Bav Auto Spill-Proof Coolant / Antifreeze Funnel
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Bav Auto Tools - Corporate Logo
T#:580395
Part#: B8800082
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$ 28.04 USD
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Multiple adapters include to fit a variety of vehicles.
Race German Coolant Temperature Sender Adapter - M12x1.5
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Race German - Corporate Logo
T#:6827887
Part#: RGCTSAM12
Ships in 2 Business Days
$ 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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Bav Auto Fan Clutch Wrench - 32mm
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Bav Auto Tools - Corporate Logo
T#:580348
Part#: B8800019
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$ 23.99 USD
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Used to remove your fan clutch

Race German Coolant Temperature Sender Adapter - 1/8NPT
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Race German - Corporate Logo
T#:6827888
Part#: RGCTSA1/8NPT
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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 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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Genuine BMW Fan Relay
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Genuine BMW - Corporate Logo
T#:144381
Part#: 61369198302
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2% off MSRP $ 49.99

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$ 48.99 USD
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$ 49.99

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Genuine BMW Relay - 130A
This item fits the following BMW Chassis:
F01,F02,F06,F10,F12,F13,F15,F16,F22,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83,I12 i8

Schwaben Locking Hose Clamp Pliers
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Schwaben - Corporate Logo
T#:377131
Part#: 004170SCH01A
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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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Genuine BMW Coolant Hose - Water Pump to Cylinder Head - BMW B58C B58...
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Genuine BMW - Corporate Logo
T#:620753
Part#: 11538650983
Ships in 2 Business Days
5% off MSRP $ 106.99

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$ 101.99 USD
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$ 106.99

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Connects from the top coolant port on the water pump to the cylinder head
70-78mm - T-Bolt Hose Clamp - Priced each
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ECS - Corporate Logo
T#:380416
Part#: 003402ECS07A-03
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Ensure a tight and leak-free seal in your BMW's cooling, vacuum, or intake systems by installing a new adjustable hose clamp. Over time, clamps can deform or lose their tightness due to aging or frequent removal, potentially causing leaks in your coolant or vacuum hoses. Avoid the risk of leaks by replacing old clamps with new hardware, offering peace of mind against coolant and vacuum system issues.

Key benefits of the adjustable hose clamp include:

  • Maintaining a secure and leak-free seal in your BMW's systems.
  • Preventing coolant or vacuum leaks that can affect performance.
  • Adjustable size from 70mm to 78mm for versatile applications.

Upgrade your hose clamps to ensure optimal performance and reliability in your BMW's systems.

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Radiator Pressure Tester Kit
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Schwaben - Corporate Logo
T#:391482
Part#: 014710SCH01A
Ships on Jul 30, 2026
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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BMW & MINI Universal Oil Cooler - 10 Row
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Mishimoto - Corporate Logo
T#:29002063
Part#: MMOC10
In Stock
$ 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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Universal Oil Cooler Black - 10 Row
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Mishimoto - Corporate Logo
T#:31291020
Part#: MMOC10BK
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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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Genuine BMW Electronic Thermostat and Coolant Distribution Module - B...
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Genuine BMW - Corporate Logo
T#:617366
Part#: 11538642559
In Stock
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$ 421.60 USD
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$ 443.99

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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.

Mechanical Water Pump
For models with a production date from 08/2020+ with 48V Hybrid System
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Vehicle made 05/01/2024 and On!
Genuine BMW - Corporate Logo
T#:40004842
Part#: 11515B4A144
In Stock
10% off MSRP $ 218.99

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

$ 197.99 USD
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$ 218.99

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

$ 197.99 USD
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New mechanical water pump directly from BMW - includes the water pump gasket
Red Line SuperCool Performance Coolant - Pre-Mixed - 1 Gallon ...
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Redline - Corporate Logo
T#:640436
Part#: 81215
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$ 54.99 USD
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Red Line SuperCool Performance Coolant fortified with WaterWetter is a 50/50 prediluted antifreeze/coolant designed to maximize the performance of your cooling system with superior protection against cavitation corrosion/erosion. Using 100% SuperCool Performance protects the entire cooling system, keeping new components like new for 5 years/150,000 miles and prevents further damage to older components. Red Line’s proprietary coolant additive formula enhances the fluid’s ability to transfer heat, reducing operating temperatures by up to 20*F and prolonging the life of the entire cooling system. Red Line's SuperCool is an OAT coolant that is a Nitrate and Silicate Free product with its own proprietary corrosion technology to offer superior protection for aluminum engines found in all European vehicles, performance vehicles, as well as other applications. SuperCool will not void the factory warranty either. It can be used to top off the existing coolant of any BMW and will not cause any ill-effects on the cooling system because it is silicate and nitrate free. It is still better to flush it out and switch completely to SuperCool to get all the full benefits of the product in performance and protection.
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AutoTecknic Dry Carbon Fiber Cooling Plate - BMW G20/ G21 M340i 3-Ser...
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AUTOTECKNIC - Corporate Logo
T#:14386749
Part#: BM-0004-M340I
Ships in 7 Business Days
$ 299.00 USD
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The AutoTecknic Dry Carbon Cooling Plate will provide your car with better air induction, providing the intake and engine with cooler air during high-speed driving; some customers have even reported better gas mileage and power gains.
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Spal Thermo-Switch - 185 Degree
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Spal - Corporate Logo
T#:25507142
Part#: SPL185TS
Back Ordered
$ 44.99 USD
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This part replaces faulty thermo-switches found in Spal electric fan conversion kits.
Genuine BMW Cylinder Head Coolant Hose - BMW G42 G2X G30 G01 G02 G29 ...
For models with the earlier B48D, B46D, or B46X engines - Not compatible with the later...
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Genuine BMW - Corporate Logo
T#:620754
Part#: 11538650984
In Stock
2% off MSRP $ 138.99

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

$ 135.99 USD
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2% off MSRP
$ 138.99

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$ 135.99 USD
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Over time, rubber hoses and plastic coolant flanges can become brittle due to numerous heat cycles. This often leads to cracks and coolant leaks on the front side of the engine. Additionally, the two o-rings that seal this hose to the cylinder head and the water pump housing can flatten, leading to leaks when reinstalled. When servicing your cooling system, it is advised to replace this hose to prevent leaks and potential overheating.
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Junction Heat Hose - 11538606278
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Bremmen Parts - Corporate Logo
T#:36913362
Part#: 11538606278
In Stock
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$ 43.24 USD
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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 Coolant Thermostat Module - BMW G20 G22/23 G30 B48 2.0L ...
For models with the earlier B48D, B46D, or B46X engines - Not compatible with the later...
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Genuine BMW - Corporate Logo
T#:617367
Part#: 11538642560
In Stock
6% off MSRP $ 446.99

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$ 419.99 USD
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6% off MSRP
$ 446.99

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$ 419.99 USD
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Modern BMW thermostats are electronically controlled, allowing the DME/ECU to directly regulate coolant flow throughout the engine and its components. This system enables the thermostat to operate based on a broader range of temperature inputs, such as coolant, cylinder head, engine block, and oil temperatures, for more refined control of engine warm-up and temperature across diverse conditions. Unlike traditional thermostats, which simply open or close to permit coolant flow, this system uses a rotary valve for more dynamic control. The rotary valve adjusts to various positions, allowing for partial or full coolant flow to designated passageways as needed. This precision control helps your BMW's engine reach optimal temperatures quickly and ensures efficient heat management under various driving conditions.
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Genuien BMW Thermostat Module Coolant Pipe W/ Wire Bracket - BMW G42 ...
For models with the earlier B48D, B46D, or B46X engines - Not compatible with the later...
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Genuine BMW - Corporate Logo
T#:636427
Part#: 11538651265
In Stock
1% off MSRP $ 78.99

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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1% off MSRP
$ 78.99

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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This coolant pipe connects to the thermostat module. When replacing the thermostat module, aka the heat management module, or other nearby cooling components, such as the water pump, this coolant pipe should be replaced. The o-ring seal also tends to flatten over time, preventing a proper seal after reinstallation, leading to a coolant leak.
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VTT Billet/Silicone Cylinder Head Cooling Hose - B58TU
For vehicles with a production date from 01/18
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Vargas Turbo Technologies - Corporate Logo
T#:29334026
Part#: VTT-B58TU-UCH
Ships in 10 Business Days
Sale - Save 15% $ 209.99

This product was last offered at the strikethrough price on
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Starting at $ 178.49 USD
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Positioned directly in the charge pipe's path, the stock B58TU upper cylinder head cooling hose, primarily made of plastic, is prone to damage. A dislodged charge pipe can easily take out this cooling hose, leading to severe engine damage through rapid coolant loss and overheating.

To address this vulnerability, VTT has engineered a robust solution. By replacing the OEM rubber hose with a durable 7-ply silicone variant, they offer superior resilience and longevity. Furthermore, they've upgraded the factory plastic flanges to 6061-T6 billet aluminum with black anodizing, enhancing corrosion resistance.

This upgraded hose is the ultimate solution, providing protection against dislodged charge pipes and the heat generated from spirited driving or track use.

Key Features:

Direct factory replacement for easy installation 6061-T6 billet aluminum with black anodizing for improved corrosion resistance Durable 7-ply silicone available in three colors Upgrade your BMW B58TU engine with this enhanced cooling hose from Vargas Turbo Technologies for superior performance and reliability.

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Universal 14" Electric Fan - Black
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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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Genuine BMW Auxillary Electric Water Pump - G-Chassis BMW B48/46 B58 ...
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Genuine BMW - Corporate Logo
T#:602507
Part#: 11518651287
Ships in 2 Business Days
10% off MSRP $ 88.99

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

$ 79.99 USD
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10% off MSRP
$ 88.99

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

$ 79.99 USD
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Auxillary water pumps are electric water pumps that pump coolant to critical components of your BMW. A failing pump can cause excessive noise and intermittent cooling issues, leading to potential damage if not replaced quickly enough. If the electric motor dies completely, chances are any parts downstream from the pump will overheat and fail, leading to costly repairs and replacements.
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Genuine BMW Auxiliary Radiator Hose - Inlet - 17128654821
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Genuine BMW - Corporate Logo
T#:618260
Part#: 17128654821
Ships in 2 Business Days
7% off MSRP $ 94.99

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

$ 87.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 94.99

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

$ 87.99 USD
Free Shipping on orders $49 and up

This item fits the following BMWs:

M340i G20 M340iX G20


Silver Auxiliary Coolant Reservoir Cap
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Precision Raceworks - Corporate Logo
T#:38128032
Part#: 201-0394-SIL
Ships in 7 Business Days
$ 99.99

This product was last offered at the strikethrough price on
01-22-2026

$ 94.99 USD
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$ 94.99 USD
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BMW Silver Auxiliary Coolant Reservoir Cap is the perfect upgrade for BMW owners looking to enhance both the aesthetics and functionality of their engine bay. Unlike generic aftermarket caps that overlook critical pressure regulation, this precision-engineered cap retains the OEM pressure release functionality, ensuring safe and reliable coolant system performance.

Crafted from high-quality billet aluminum, this reservoir cap offers superior durability and resistance to heat and fluids, preventing warping or degradation over time. Unlike adhesive-based cap covers that can loosen or fall off, this cap is a direct replacement for the factory component, providing a secure, high-performance solution.

  • OEM pressure release functionality – Maintains proper system regulation for optimal coolant performance
  • Premium billet aluminum construction – Offers enhanced durability and longevity
  • Direct replacement design – Secure fit without adhesives or modifications
  • Resistant to heat and fluids – Ensures long-lasting reliability in extreme conditions
  • Performance-inspired look – Adds a sleek, high-end appearance to your engine bay
  • Upgraded durability – Prevents cracking, leaks, and premature wear

Upgrade your BMW’s cooling system with the BMW Silver Auxiliary Coolant Reservoir Cap, blending performance, reliability, and premium styling.

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Schwaben Locking Hose Pinch-Off Pliers
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Schwaben - Corporate Logo
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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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 MINI Engine Coolant Expansion Tank Cap - 17135A1BD89 ...
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Genuine MINI - Corporate Logo
T#:28337931
Part#: 17135A1BD89
Ships in 2 Business Days
9% off MSRP $ 34.99

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

$ 31.99 USD
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9% off MSRP
$ 34.99

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

$ 31.99 USD
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SCREW CAP FOR EXPANSION TANK
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Genuine BMW - Corporate Logo
T#:628106
Part#: 17138665638
In Stock
6% off MSRP $ 34.99

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

$ 32.99 USD
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6% off MSRP
$ 34.99

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

$ 32.99 USD
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Genuine BMW Expansion Tank Coolant Hose - BMW G42 G20 G22/23/26 B46/B...
For models with the earlier B48D, B46D, or B46X engines - Not compatible with the later...
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Genuine BMW - Corporate Logo
T#:624478
Part#: 17128654824
In Stock
7% off MSRP $ 57.99

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

$ 53.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 57.99

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

$ 53.99 USD
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This coolant hose connects your cylinder head to your expansion tank. Replace your cracked or split coolant expansion tank hose to prevent coolant and pressure loss in your cooling system.
Uro - Aluminum Coolant Hose Connector for E9x, and Z4
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URO Premium - Corporate Logo
T#:37757289
Part#: 11537545890PRMK
In Stock
$ 24.99 USD
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Aluminum Connector that replaces the OEM brittle Plastic


Genuine BMW Cooant Pump with Support Housing - BMW G42 G2X G30 G01 G0...
For models with the earlier B48D, B46D, or B46X engines and without the Energy Recovery...
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Genuine BMW - Corporate Logo
T#:606625
Part#: 11518650988
In Stock
10% off MSRP $ 300.99

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

$ 271.99 USD
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10% off MSRP
$ 300.99

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

$ 271.99 USD
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Mechanical water pumps circulate coolant between the engine block, cylinder head, and radiators. Over time, the seals and bearings can wear out, leading to leaks from the impeller shaft and around the pump face. Some BMW water pumps have even had imellers that come loose from the shaft, resulting in little or no coolant flow. Plastic coolant flanges attached to the housing can become brittle over time, cracking or breaking off completely, leading to coolant loss and overheating. Restore cooling functionality and performance with a brand new pump directly from BMW. This coolant pump assembly includes the pump, the coolant support housing, four of the plastic coolant flanges, and a new water pump pulley.
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Bav Auto Angled Hose Pinch Plier Set - 2pc
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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
Free Shipping on orders $49 and up
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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Genuine BMW water pump housing coolant flange - G-Chassis - B48TU (B4...
For B48TU Gen 2 applications (B46D/B48D)
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Genuine BMW - Corporate Logo
T#:48780791
Part#: 11515A74E79
In Stock
New Item
4% off MSRP $ 133.99

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

$ 128.99 USD
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4% off MSRP
$ 133.99

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

$ 128.99 USD
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Genuine BMW replacement coolant flange for back of water pump housing

Universal Oil Cooler with Thermostat - 19 Row
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Mishimoto - Corporate Logo
T#:19593926
Part#: MMOCULT
In Stock at Vendor
$ 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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WATER PUMP
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Genuine BMW - Corporate Logo
T#:636029
Part#: 11518482250
In Stock
10% off MSRP $ 180.99

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

$ 162.99 USD
Limited Qty Sale
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10% off MSRP
$ 180.99

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

$ 162.99 USD
Limited Qty Sale
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OEM Rein Turbocharger Coolant Supply Line - BMW Gen2 B46/B48 2.0L ...
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Rein - Corporate Logo
T#:34315143
Part#: 11538629971
Ships in 3 Business Days
Sale - Save 15% $ 47.99

This product was last offered at the strikethrough price on
04-28-2026

$ 40.63 USD
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Sale - Save 15%
$ 47.99

This product was last offered at the strikethrough price on
04-28-2026

$ 40.63 USD
Free Shipping on orders $49 and up
Turbo coolant supply lines feed coolant to the turbocharger, ensuring temperatures are kept in check. If your coolant line is leaking, it is important to replace it as soon as possible to prevent coolant loss, overheating, and turbo damage.
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OEM INA Electronic Thermostat And Coolant Distribution Module - BMW B...
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Ina - Corporate Logo
T#:36201645
Part#: 11538642559
In Stock at Vendor
$ 367.33 USD
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$ 367.33 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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Gear Wrench Angled Hose Clip Pliers
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Gear Wrench - Corporate Logo
T#:387079
Part#: KDT3977
Ships in 1 Business Day
$ 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.

419 Pc. Metric Universal O-Ring Assortment
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ATD Tools - Corporate Logo
T#:3657943
Part#: ATD3601
Ships in 1 Business Day
$ 59.99 USD
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Always have extra o-rings

OEM Bosch Auxillary Water Pump - F9X G05/06/07 G20/21 G30 G32 G11/12 ...
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Bosch - Corporate Logo
T#:639196
Part#: 0392023486
In Stock
$ 78.99

This product was last offered at the strikethrough price on
02-07-2026

$ 58.99 USD
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$ 58.99 USD
Free Shipping on orders $49 and up
Auxillary water pumps are electric water pumps that pump coolant to critical components of your BMW. A failing pump can cause excessive noise and intermittent cooling issues, leading to potential damage if not replaced quickly enough. If the electric motor dies completely, chances are any parts downstream from the pump will overheat and fail, leading to costly repairs and replacements. Prevent this from happening by installing this brand new Auxillary Water Pump from OEM Bosch!
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Genuine BMW Cooling Pump with Support - 11518650986
For vehicles without Energy Recuperation System (O1CE) produced before 07/20
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Genuine BMW - Corporate Logo
T#:606623
Part#: 11518650986
Ships in 2 Business Days
10% off MSRP $ 327.99

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

$ 295.99 USD
Free Shipping on orders $49 and up
10% off MSRP
$ 327.99

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

$ 295.99 USD
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This water pump is provided with all associated installation components, including:

11518482251 - Water Pump 11518650986 - Water Pump Bracket to Engine Block 11518482263 - Water Pump profile Gasket 11518482264 - Profile Gasket for Bracket to Engine Block 11518482258 - Coolant Pipe to Water Pump 11518482260 - O-ring Seal for Coolant Pipe

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PROFILE-GASKET
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Genuine BMW - Corporate Logo
T#:528940
Part#: 11518632587
Ships in 2 Business Days
15% off MSRP $ 38.99

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

$ 32.99 USD
Free Shipping on orders $49 and up
15% off MSRP
$ 38.99

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

$ 32.99 USD
Free Shipping on orders $49 and up
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
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CTA Tools - Corporate Logo
T#:641760
Part#: CTAA878
Ships on Jul 21, 2026
$ 23.57 USD
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Use to remove and install Fan Clutch Assemblies when replacing Water Pumps or doing other Engine Services
Band Hose Clamp | 12-20mm 3/8"/9mm
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ECS - Corporate Logo
T#:304266
Part#: 003402ECS06A-03
In Stock
Sale - Save 25% $ 4.99

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

$ 3.74 USD
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Sale - Save 25%
$ 4.99

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

$ 3.74 USD
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Secure hoses in your BMW effortlessly with the ECS 3/8" / 9mm Band Hose Clamp (12-20mm). Specifically designed for BMW models, this clamp ensures a snug fit and reliable hold for hoses measuring between 12mm to 20mm. Crafted with durable materials, these clamps provide exceptional resistance against leaks and are ideal for various automotive applications. Upgrade your BMW's hose security with these reliable ECS hose clamps.
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