BMW Coolant & Radiator Hoses

Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure. This hose replaces the Upper radiator hose that connects the thermostat housing to the radiator.

This Upper Radiator Hose fits the following BMWs:
2001-2006 E46 3 Series M3, M3 Convertible

Tired of dealing with brittle, dry-rotted rubber hoses? Whether you're refreshing your cooling system or replacing aging components, this ECS Silicone Radiator Coolant Hose Set is the ultimate upgrade. Designed for durability, performance, and a factory-perfect fit, these premium silicone hoses outperform standard rubber in every way.

Why Choose Silicone Over Rubber?

Made from heavy-duty, reinforced 4-ply fluorosilicone, ECS hoses withstand extreme temperatures and pressures far beyond OEM rubber hoses. Engineered to resist oil, fuel, and electrochemical degradation, these hoses are tested for continuous operation at 250°F and over 45 psi, delivering superior reliability, reduced turbulence, and improved coolant flow.

Key Benefits:

Direct OE Fitment – Perfectly molded to factory specifications for seamless installation. Enhanced Durability – Heat-resistant silicone prevents cracking, swelling, and deterioration over time. Superior Cooling Performance – Smoother internal passageways improve coolant flow and system efficiency. Pre-Installed Quick-Connect Fittings – Hassle-free installation with OEM-style connectors. Premium Hardware Included – Comes with German-style stainless steel worm-drive hose clamps for a secure fit. Kit Includes:

Upper Radiator Hose Lower Radiator Hose Pre-Installed Factory "Quick-Connect" Flanges (4) Stainless Steel Worm-Drive Hose Clamps (4) Replaces OEM Part Numbers: 17127531579 & 17127564478

BMW M52 M54 Water Pipe is an essential replacement part designed to ensure long-term reliability and optimal performance for your BMW's cooling system. Engineered to replace cracked or broken coolant pipes, this high-quality water pipe from Turner Motorsport guarantees a perfect fit and dependable service. Investing in this replacement pipe helps prevent overheating and potential engine damage, maintaining your vehicle's performance and longevity.

• Reliable replacement: Designed to replace cracked or broken coolant pipes for improved engine cooling.
• Optimal fitment: Engineered to ensure a perfect fit and seamless installation.
• Durable construction: Built with high-quality materials to withstand engine temperatures and environmental conditions.
• Preventative maintenance: Helps avoid overheating and potential engine damage by ensuring a reliable coolant flow.
• Vehicle compatibility: Specifically designed for BMW M52 and M54 engine models.

Upgrade your BMW’s cooling system with the BMW M52 M54 Water Pipe from Turner Motorsport for enhanced reliability and performance.

Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps.

Upgrade all of those common, aging, dry-rotted rubber hoses under the hood of your vehicle with ECS durable, Silicone Radiator Coolant Hose Set. These perform and look great within any engine bay, they are made to last longer than standard rubber hoses and are perfectly molded to the OE hose specifications for a simple installation on most vehicles.

Made from heavy duty, reinforced silicone, this silicone coolant hose set can handle higher temperatures and greater pressure than the stock, squishy rubber hoses. Designed to resist oil, fuel and electrochemical degradation and tested up to continuous 250° Fahrenheit operating temperature and over 45psi, you can expect to achieve greater reliability, less turbulence and improved flow with our smooth silicone hoses.

Kit contents:

Upper Radiator hose
Lower Radiator hose
4 factory flange connections
German-style stainless steel hose clamps
With the smoother internal passageways, consistent hose internal diameters, and smoother bends will result in improved flow for greater cooling system performance with added durability.

The perfect way to take the worry out of your coolant hoses and keep your engine from potentially overheating.

The ECS Exact-fit water line is a perfect upgrade if you're tired of dealing with brittle failure prone parts under your hood. The reinforced fluorosilicone hose has been pre-formed to route the same way your stock line did so you can maintain that clean factory installed appearance. Upgrading the line fitting with a billet aluminum piece eliminates the failure prone plastic fitting giving your cooling system strength.

Included:

Aluminum fitting

• Material: 6061-T6 Aluminum - MIL-A-8625F Type II Class 2 black anodized for superior corrosion resistance and strength
• Single-piece design avoiding additional interfaces that may cause leaks
• Matches OEM style connection to upper coolant hose

Silicone hose

• Material: Black Reinforced Fluorosilicone Lined Coolant Safe Silicone
• Pre-formed hose to ensure OEM style routing and appearance
• Can maintain the use of your stock retaining clips to route the hose in identical locations (due to slight variations in silicone the retainer on the expansion tank may not fit)
• Pressure tested to ensure 2X operating pressures to ensure reliability

Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Genuine BMW radiator hoses are always a perfect option when performing maintenance thanks to their high quality and longevity.

This item fits the following BMW Chassis:

F30,F32,F36,F87

Fits BMW Engines including:
N55

Upgrade your BMW E30 or E34 M20 2.5L engine with this Genuine BMW Coolant Hose. Crafted to exacting standards, this hose ensures optimal performance and durability for your vehicle. Say goodbye to leaks and overheating issues with this high-quality replacement part. Keep your BMW running smoothly and efficiently with this essential component.

• Genuine BMW part for perfect fit and function
• Crafted to exacting standards for durability
• Prevents leaks and overheating
• Ensures optimal engine performance
• Compatible with BMW E30 and E34 M20 2.5L engines