1/2"/12mm Band Hose Clamp - 25-40mm - Priced Each

T#:385425

Part#: 003402ECS05A-06

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$ 3.74 USD

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Upgrade Your BMW Maintenance with Stainless Steel Hose Clamps from ECS Tuning

ECS Tuning introduces premium full stainless steel hose clamps, offering superior quality and convenience for your BMW maintenance. Avoid dealership delays and overpricing by choosing from a selection of band widths, ensuring you receive top-quality hose clamps without overpaying.

Key Benefits:

Premium full stainless steel hose clamps
Various band widths for enhanced convenience
High-quality alternative to dealership pricing
Readily available stock eliminates waiting time

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Thermostat With Aluminum Housing - N20

T#:30828065

Part#: 11538635689M

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$ 100.36 USD

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Schwaben 32mm / 36mm Fan Clutch and Oil Filter Cap Open-End Wrench ...

T#:361021

Part#: DO-3236

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05-02-2026

$ 19.49 USD

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Why buy two tools when you can get one that will do many jobs like this open end wrench? It is great for removing and installing the fan clutch and plastic oil filter cap. Also works great for removing and installing the VAN0S solenoid on M50 engine family. Use the same tools the Turner Motorsport tech's use!

Features:

Made of Chrome Vanadium Steel for strength
32/36mm open end sides

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Schwaben Locking Hose Clamp Pliers

T#:377131

Part#: 004170SCH01A

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$ 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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Water Pump - N20 N26

T#:29666093

Part#: 11518635089

In Stock

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05-03-2026

$ 275.19 USD

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A failing water pump can show early warning signs like coolant leaks or a whining noise from the engine bay—but with electric water pumps, failure can be sudden, often with no warning beyond rapid overheating.

If you suspect your water pump is on its way out, prompt replacement is critical to avoid engine damage. Stay alert to any changes in cooling system performance.

Note: Aluminum mounting bolts are single-use and must be replaced during installation.

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Schwaben Radiator/ Intercooler Fin Comb

T#:384260

Part#: 015326SCH01A

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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.

60-80mm 1/2"/12mm Band Hose Clamp

T#:377836

Part#: 003402ECS05A-10

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$ 5.24 USD

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ECS Tuning Stainless Steel Hose Clamps for BMW

Upgrade your BMW's hose clamps with ECS Tuning Stainless Steel Hose Clamps, designed for convenience and durability. Say goodbye to long waits and overpriced dealership clamps. With various band widths available, these stainless steel clamps ensure a secure fit for your vehicle's hoses.

Benefits:

Convenient replacement for worn-out hose clamps
Made of durable stainless steel for long-lasting performance
Available in various band widths for versatile use
Affordable alternative to dealership pricing

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70-78mm - T-Bolt Hose Clamp - Priced each

T#:380416

Part#: 003402ECS07A-03

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$ 23.99 USD

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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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Expansion Tank Hose

T#:27572101

Part#: 64218376153

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$ 38.34 USD

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Performance Thermostat - 90C - N62, N63, S63, N73, S55

T#:637061

Part#: 11537586885

In Stock

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$ 75.06 USD

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Includes housing and sealing o-ring A thermostat that opens sooner promotes better cooling in your vehicle. Running a lower temperature thermostat will keep everything much cooler. Keeping the engine cooler will help reduce and improve the life of the seals in your engine, saving you time and money, while also helping to increase engine performance. A tune might be required to gain the most from this modification, as well as to get your car's ECU accustomed to seeing lower temperatures.

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Aluminum Thermostat Housing - E34, E36, Z3

T#:579865

Part#: 54402

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$ 20.39 USD

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The plastic thermostat cover in your BMW is a known point of failure. Throughout the years of repeated contact with hot coolant, the plastic can crack and cause massive coolant leaks and potential overheating.

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Bav Auto Thermostat With Aluminum Housing - M52TU M54

T#:12544802

Part#: 11531437040

In Stock

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$ 84.99 USD

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The plastic thermostat cover in your BMW is a known point of failure. Throughout years of repeated contact with hot coolant, the plastic can crack and cause massive coolant leaks and potential overheating. Eliminate one of the weak links in your cooling system with a replacement aluminum thermostat housing. By installing this aluminum unit, you have no worries as far as plastic housing cracks go

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Thermostat

T#:15511826

Part#: 11537549476

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05-03-2026

$ 69.99 USD

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Overheating your N52 or N54 engine can be detrimental to the longevity of your engine. We also recommend replacing your hardware 07119903851 x2

Bav Auto Coolant Level Sensor - BMW E36 E39 M50/52 S50/52

T#:639793

Part#: 61318360855

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05-03-2026

$ 16.99 USD

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This is the sensor / sending unit that notifies the computer if your coolant level is low. When this fails, it can give a false indication of low coolant -- or worse, not inform you of a low coolant situation that could potentially cause overheating. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Bav Auto Expansion Tank Cap - E36 E46 E34 E39 E32 E38 E65 X3 X5 Z4 ...

T#:640208

Part#: 17117639022

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06-03-2026

$ 11.89 USD

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This radiator expansion tank cap is used most BMW's from 1991-2006. It is a common failure item. When this item fails, it cannot hold pressure which results in your BMW overheating. If you are overhauling your coolant system, now is the time to consider preventative replacing this cap. It is also referred to as the coolant reservoir cap. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Bav Auto Coolant Expansion Tank - E36 E39 Z3 M50 M52 S50 S52 ...

T#:638094

Part#: 17111723520

In Stock

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05-03-2026

$ 31.99 USD

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Replace your old expansion tank to prevent potential failure or leaks. Includes a brand new coolant level sensor. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Bav Auto Coolant Expansion Tank - E53 X5, E46, E83 X3

T#:640496

Part#: 17137787039

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05-03-2026

$ 50.99 USD

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We have found that the expansion tanks should be replaced based on age as well as condition. Expansion tanks seem to have a lifespan of less than six years before they show signs of fatigue and wear. Pre-emptively replacing the expansion tank as part of an overall maintenance plan can prevent you from getting stranded from a sudden failure later on. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Bav Auto Heater Inlet Pipe - E46 E39 E53 E83 E85 Z3

T#:638080

Part#: 11531705210

In Stock

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$ 32.79 USD

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This is the plastic heater inlet pipe that connects the cylinder head to the heater inlet on cars with the M52 or M54 engine. The plastic on this hose becomes brittle over time and eventually leads to failure. Replace yours with a brand new Bav Auto Heater inlet pipe to prevent catastrophic failure.

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Bav Auto Expansion Tank Mounting Plate - E46 Non-M w/ Manual Trans ...

T#:638088

Part#: 17111436250

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05-03-2026

$ 35.99 USD

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This Bav Auto part is the mounting bracket from the radiator to the expansion tank on an E46 3 series with a Manual Transmission. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Expansion Tank To Upper Radiator Hose

T#:33879981

Part#: 17127803838

In Stock

Sale - Save 20% $ 42.99

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05-03-2026

$ 34.26 USD

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Bavarian Autosport Water Pipe - E46 E39 Z4 Z3 (M52TU, M54)

T#:638085

Part#: 11537502525

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$ 40.79 USD

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This plastic water pipe is positioned directly underneath your intake manifold. Due to its plastic construction, it is notorious for catastrophic failure. Rapid cooling loss and overheating are both direct results of this failure, posing permanent and lasting damage to the engine.

Replace your cracked/broken coolant pipe with this high-quality Bavarian Autosport component to ensure long-term reliability and perfect fitment.

From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Coolant Expansion Tank Cap

T#:36032339

Part#: 17117639020

In Stock

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05-03-2026

$ 11.99 USD

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Bremmen Auxiliary Fan Temperature Switch - E46 E39 E9X E60 E70 E53 ...

T#:640141

Part#: 13621433077

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$ 16.79 USD

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The auxiliary fan switch activates the auxiliary cooling fan to provide additional cooling under high heat loads, and when the car is stationary

Thermostat Assembly

T#:15511823

Part#: 11537598865

In Stock

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$ 70.19 USD

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Replace your thermostat housing at any signs of leaks or premature failure. Includes housing. Does not include a housing gasket.

Bav Auto Spill-Proof Coolant / Antifreeze Funnel

T#:580395

Part#: B8800082

In Stock

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$ 28.04 USD

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Multiple adapters include to fit a variety of vehicles.

Expansion Tank Vent Hose

T#:30729012

Part#: 17127618510

In Stock

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05-03-2026

$ 29.99 USD

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BMW N20 2.0L Thermostat With Housing

T#:18003828

Part#: 11538635689

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05-03-2026

$ 54.39 USD

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BMW N20 2.0L Thermostat With Housing ensures optimal engine performance by maintaining the correct operating temperature. This crucial component regulates coolant flow, preventing issues related to overheating or inadequate cooling. The thermostat plays a vital role in your BMW’s temperature gauge, influencing engine efficiency and longevity.

Precision Temperature Control: Maintains the engine within the ideal temperature range for optimal performance and efficiency.
Complete Assembly: Includes the thermostat and housing, offering a convenient and comprehensive solution for replacements.
Reliable Operation: Helps prevent common issues such as overheating or running too cool by regulating coolant flow effectively.
Enhanced Engine Life: Ensures the engine operates under ideal conditions, extending its lifespan and improving overall performance.
High-Quality Construction: Designed to meet or exceed OEM specifications, providing durability and reliable performance.

Upgrade your BMW with the N20 2.0L Thermostat With Housing to ensure reliable temperature management and enhanced engine performance.

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BMW N47 N55 Expansion Tank

T#:17704781

Part#: 17137642160

In Stock

Sale - Save 20% $ 98.99

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$ 79.19 USD

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BMW N47 N55 Expansion Tank from Turner Motorsport is a high-quality replacement designed to address issues with cracked or damaged coolant expansion tanks. Engineered for durability and performance, this expansion tank ensures reliable cooling system function.

Durable Construction: Built to withstand high temperatures and pressure, ensuring long-term reliability.
Direct Replacement: Engineered as a precise fit for BMW N47 and N55 engines, making installation straightforward and hassle-free.
Enhanced Cooling Efficiency: Maintains optimal coolant levels and pressure for effective engine cooling.
High-Quality Materials: Manufactured from premium materials to resist cracking and leaks.

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Bavarian Autosport Radiator Hose - Upper - E46 M52 M54

T#:640204

Part#: 17127510952

In Stock

Sale - Save 21% $ 34.99

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05-03-2026

$ 27.74 USD

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Replacement Upper Radiator Hose for E46 3 series (Non-M3). We recommend replacing the Coolant Temperature Sensor while replacing this hose as the original sensor is often damaged while trying to remove it from the old hose. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Bav Auto Fan Clutch Wrench - 32mm

T#:580348

Part#: B8800019

In Stock

Sale - Save 20% $ 29.99

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05-03-2026

$ 23.99 USD

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Used to remove your fan clutch

Coolant Hose - Return Line

T#:30729013

Part#: 17128570061

In Stock

Sale - Save 19% $ 36.99

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05-03-2026

$ 29.99 USD

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$ 36.99

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Electronic Thermostat And Coolant Distribution Module

T#:26538308

Part#: 11537642854

In Stock

Sale - Save 5% $ 308.99

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

$ 292.63 USD

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$ 308.99

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Bremmen Coolant Bleeder Screw - BMW E30 E36 E38 E39 E46 E83 E90 Z4 ...

T#:640140

Part#: 17111712788

In Stock

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05-03-2026

$ 2.44 USD

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$ 3.99

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Plastic bleeder screw for cooling system is used to bleed air that would otherwise create an air pocket and lead to overheating. Includes o-ring seal.

Thermostat With Housing

T#:26494584

Part#: 11537509227

In Stock

Sale - Save 18% $ 60.99

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05-03-2026

$ 49.99 USD

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Thermostat - B48

For vehicles with the Gen1 B48/B46 only - not compatible with the later Gen2 B48 (TU) engines

T#:23648673

Part#: 11537644811

In Stock

Sale - Save 15% $ 223.99

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05-03-2026

$ 190.39 USD

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$ 223.99

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$ 190.39 USD

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Bav Auto Expansion Tank Mounting Plate - E46 Non-M w/ Auto Trans ...

T#:638089

Part#: 17111436251

In Stock

Sale - Save 20% $ 45.99

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05-03-2026

$ 36.79 USD

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This Bav Auto part is the mounting bracket from the radiator to the expansion tank on E46 3 series and E85/E86 Z4 with an Automatic Transmission. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Lower Radiator Hose

T#:30729018

Part#: 17127564480

In Stock

Sale - Save 20% $ 42.99

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05-03-2026

$ 34.26 USD

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$ 42.99

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Bav Auto Coolant Expansion Tank - BMW E90 335d M57 3.0L

T#:640493

Part#: 17138570079

In Stock

Sale - Save 20% $ 78.99

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05-03-2026

$ 63.19 USD

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$ 63.19 USD

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Replace your damaged expansion tank to prevent coolant loss or potential overheating issues. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Radiator Hose - Upper

T#:38688897

Part#: 11531708499

Ships on Aug 19, 2026

Sale - Save 24% $ 14.99

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

$ 11.42 USD

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Qty

Sale - Save 24%

$ 14.99

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

$ 11.42 USD

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Bav Auto Radiator Hose - Lower - E46 M52 M54

T#:640203

Part#: 11531436408

In Stock

Sale - Save 16% $ 36.99

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

$ 31.20 USD

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Qty

Sale - Save 16%

$ 36.99

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

$ 31.20 USD

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OEM Replacement Lower Radiator Hose for E46 3 series (Non-M3). We recommend replacing the Coolant Temperature Sensor while replacing this hose as the original sensor is often damaged while trying to remove it from the old hose. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Coolant Level Sensor

T#:30728984

Part#: 61311378320

In Stock

Sale - Save 56% $ 34.99

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

$ 15.29 USD

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Sale - Save 56%

$ 34.99

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

$ 15.29 USD

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Bav Auto Fan Pulley Holder

T#:580358

Part#: B8800031

In Stock

Sale - Save 15% $ 23.99

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

$ 20.39 USD

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Sale - Save 15%

$ 23.99

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

$ 20.39 USD

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Used to remove your fan clutch

Coolant Expansion Tank

T#:36032353

Part#: 17111741167

In Stock

Sale - Save 21% $ 59.99

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

$ 47.32 USD

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Sale - Save 21%

$ 59.99

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

$ 47.32 USD

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Heater Return Line

T#:27572099

Part#: 17127548230

In Stock

Sale - Save 15% $ 101.99

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

$ 86.69 USD

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Sale - Save 15%

$ 101.99

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

$ 86.69 USD

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Connector - Upgraded Aluminum Metal

T#:27205374

Part#: 11118511205

In Stock

Sale - Save 20% $ 42.99

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

$ 34.39 USD

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Sale - Save 20%

$ 42.99

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

$ 34.39 USD

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Coolant Hose - Priced Each

T#:30729023

Part#: 17127540020

In Stock

Sale - Save 21% $ 36.99

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

$ 29.37 USD

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Sale - Save 21%

$ 36.99

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

$ 29.37 USD

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Water Connection Pipe

T#:15511839

Part#: 17111707817

In Stock

Sale - Save 20% $ 18.99

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

$ 15.19 USD

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Sale - Save 20%

$ 18.99

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

$ 15.19 USD

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Connects the radiator to the expansion tank

Coolant Outlet Connector - B58A (F3X, G30, G01/G02)

T#:36913371

Part#: 11118619408

In Stock

Sale - Save 21% $ 32.99

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

$ 26.10 USD

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Qty

Sale - Save 21%

$ 32.99

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

$ 26.10 USD

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The Coolant Outlet Connector connects the engine block coolant outlet to the upper radiator hose.

Due to fragile plastic construction and consistent exposure to hot, chemical-rich engine coolant, this piece is prone to degradation and (potentially) complete failure.

Whether you're fixing a failed connector or preemptively replacing this failure-prone component, choose this quality replacement from Bremmen Parts for a lasting repair.

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