BMW Coolant & Radiator Hoses for BMW 3 Series E46 (1999-2005)

Complete Cooling System Hose Kit - BMW E46 M52TU M54

T#:15677507

Part#: 11531436410-KT

Ships on Aug 19, 2026

Sale - Save 10% $ 285.99

This product was last offered at the strikethrough price on
06-16-2026

$ 256.32 USD

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Sale - Save 10%

$ 285.99

This product was last offered at the strikethrough price on
06-16-2026

$ 256.32 USD

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The cooling hoses on your BMW are exposed to vast temperature changes, as well as exposure the elements. Over time, they will fail and can cause you to be stranded, or a worse failure. Turner Motorsport has created a kit that includes all of the necessary cooling system hoses as well as a gallon of coolant to correctly service your cooling system. See kit contents tab for a list of included components

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Complete Cooling System Hose Kit

T#:638920

Part#: 11531436408KT3

Ships on Aug 19, 2026

Sale - Save 19% $ 399.99

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

$ 325.16 USD

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Sale - Save 19%

$ 399.99

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

$ 325.16 USD

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The cooling hoses on your BMW are exposed to vast temperature changes, as well as exposure the elements. Over time, they will fail and can cause you to be stranded, or a worse failure. We have created a kit that includes ECS Tuning silicone radiators hoses and all other necessary cooling system hoses as well as a gallon of coolant to correctly service your cooling system.

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Complete Cooling System Hose Kit

T#:5416786

Part#: 11531436408TMSKT

Ships on Aug 19, 2026

Sale - Save 6% $ 307.99

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

$ 288.59 USD

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Sale - Save 6%

$ 307.99

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

$ 288.59 USD

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The cooling hoses on your BMW are exposed to vast temperature changes, as well as exposure the elements. Over time, they will fail and can cause you to be stranded, or a worse failure. Turner Motorsport has created a kit that includes all of the necessary cooling system hoses as well as a gallon of coolant to correctly service your cooling system. Kit includes: Genuine BMW Antifreeze - 1 Gallon 2 Heater hoses Expansion tank hose Water pipe to expansion tank hose Heater inlet pipe Water pipe Upper radiator hose Lower radiator hose

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Gates Lower Radiator Hose - E46 3 Series (Not M3)

T#:337992

Part#: 11531436408

Ships in 4 Business Days

Starting at $ 42.99 USD

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Starting at $ 42.99 USD

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OEM Replacement Lower Radiator Hose for E46 3 series (Not 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.

This lower radiator hose fits the following BMWs:
1999-2000 E46 3 Series Sedan/Wagon - 323i & 328i
1999-2000 E46 3 Series Coupe/Conbertible - 323Ci & 328Ci
2001-2005 E46 3 Series Sedan/Wagon - 325i, 325xi, 330i, 330xi
2001-2006 E46 3 Series Coupe/Convertible - 325Ci, 330Ci

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Bavarian Autosport Radiator Hose - Upper - E46 M52 M54

T#:640204

Part#: 17127510952

In Stock

Sale - Save 21% $ 34.99

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

$ 27.74 USD

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$ 34.99

This product was last offered at the strikethrough price on
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$ 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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Expansion Tank Hose

T#:27572101

Part#: 64218376153

In Stock

Sale - Save 20% $ 47.99

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

$ 38.34 USD

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$ 47.99

This product was last offered at the strikethrough price on
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$ 38.34 USD

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Radiator Hose - Lower

T#:38655188

Part#: 11537830715

In Stock

Sale - Save 17% $ 26.99

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

$ 22.53 USD

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$ 26.99

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$ 22.53 USD

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Radiator Hose - Upper

T#:38621426

Part#: 11537830716

In Stock

Sale - Save 22% $ 25.99

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

$ 20.39 USD

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$ 25.99

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$ 20.39 USD

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E46 Upper Radiator Hose - 11531436406

T#:36981064

Part#: 11531436406

In Stock

$ 31.99

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

$ 24.99 USD

Limited Qty Sale

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$ 31.99

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

$ 24.99 USD

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Over time, prolonged exposure to high-temperature coolant can take a toll on your vehicle's hoses. Made from reinforced rubber, these hoses are prone to wear and failure in various ways, including splitting at hose clamps, swelling, cracking, or breaking. Any of these issues can lead to coolant loss and potentially leave you stranded. Replacing your hoses at the first sign of wear is essential to maintaining a properly functioning cooling system.

This replacement hose is designed with the correct diameter, bends, and length for a precise fit, making it an ideal solution for swelled or damaged hoses. With straightforward installation, this hose provides peace of mind, whether you're embarking on a long road trip or simply commuting to work.

When replacing your radiator hose, some coolant loss is unavoidable. Browse our website to find the exact replacement coolant and other parts for your vehicle, delivered straight to your door. Don’t forget to order a new thermostat housing as well—factory plastic units often crack or warp during removal, and replacing them ensures a complete and reliable repair.

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Water Pipe - M54 E46 E58 E83

T#:36981061

Part#: 11537502000

In Stock

Sale - Save 17% $ 35.99

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

$ 29.74 USD

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$ 35.99

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Water pipes play a crucial role in maintaining proper engine cooling. If cracked, they must be replaced immediately to prevent engine overheating. This water pipe runs from the rear of the water pump housing to the expansion tank hose. It comes complete with all necessary seals for a hassle-free installation.

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

T#:640140

Part#: 17111712788

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Sale - Save 39% $ 3.99

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

$ 2.44 USD

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$ 3.99

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$ 2.44 USD

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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.