BMW Coolant & Radiator Hoses

The Genuine BMW Turbocharger to Auxiliary Water Pump Hose available at Turner Motorsport is a high-quality, OEM replacement designed for seamless performance in high-torque engines. Crafted from durable, heat-resistant materials, this hose ensures an efficient connection between the turbocharger and auxiliary water pump, optimizing coolant flow and prolonging engine life. Ideal for BMW models requiring dependable cooling performance, this hose meets all OEM specifications for fit and durability, providing reliable operation even under extreme conditions.

Key features:

OEM-grade, heat-resistant construction for extended durability Optimized for efficient coolant flow, reducing engine strain Direct fitment with original BMW specifications Compatible with select BMW turbocharged engine Replace your worn-out or damaged hose to maintain peak performance and cooling efficiency. The Genuine BMW Turbocharger to Auxiliary Water Pump Hose is the perfect choice for BMW owners who demand only the best in automotive performance.

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

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

Both thermostat housing hoses to replace your worn out rubber and brittle plastic connections.

Over the years and with exposure to extremely hot coolant, the coolant hoses in your vehicle can take a beating. Being made of reinforced rubber, these hoses can fail in a number of ways. Splitting at a hose clamp, swelling, cracking, and breaking are just a few of the ways this hose can leave you stranded. Replace it at the first sign of wear to keep your coolant in your engine.

Comes with both upper and lower thermostat hoses: 11537830715 Lower + 11537830716 Upper

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 on your S65-equipped E9X M3. 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: 11537838214 & 11537840661.

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

This item fits the following BMW Chassis:
E90 BMW 335d

Fits BMW Engines including:
M57

BMW N20 2.0L Turbo Supply Cooling Line is a crucial component designed to ensure optimal cooling for the turbocharger in BMW vehicles equipped with the N20 2.0L turbo engine. This high-quality cooling line maintains proper coolant flow to the turbo, preventing overheating and ensuring reliable performance.

• Optimal Cooling: Effectively cools the turbocharger to prevent overheating and maintain performance.
• Durable Construction: Built with high-quality materials for long-lasting reliability.
• Precise Fitment: Designed specifically for BMW N20 2.0L turbo engines.
• Enhanced Performance: Helps in sustaining the turbo's efficiency and longevity.
• Easy Installation: Direct replacement part for a hassle-free installation.

Maintain the efficiency and longevity of your BMW’s turbocharger with this essential cooling line, designed for superior performance and durability.

Radiator hoses will split and/or leak after a long period of time due to the rubber going through so many heat cycles and becoming weak. Prevent coolant loss with a genuine BMW replacement coolant hose.

Genuine BMW Return Hose - Cyl.1-5
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63

Fits BMW Engines including:
S85