Rein BMW Coolant & Radiator Hoses

Water Hose - Radiator To Auto Trans Oil Cooler is a critical component designed to maintain the optimal performance of your BMW’s cooling system. This high-quality hose ensures efficient coolant transfer from the radiator to the automatic transmission oil cooler, preventing overheating and protecting essential engine components. Available at Turner Motorsport, this durable hose is engineered to handle high temperatures and pressure, making it a perfect replacement or upgrade for your vehicle’s cooling system.

• Designed for BMW automatic transmissions
• Ensures proper coolant flow between the radiator and transmission oil cooler
• Prevents overheating of vital engine and transmission components
• Manufactured from heat-resistant, durable materials for longevity
• Direct-fit replacement for easy installation
• Helps maintain engine efficiency and cooling performance

The Water Hose - Radiator To Auto Trans Oil Cooler from Turner Motorsport is the ideal solution to ensure your BMW’s cooling system functions smoothly, offering long-term reliability and protection for your engine and transmission.

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

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

This item fits the following BMWs:
E30 BMW 318i, 318i Convertible, 318is

Fits BMW Engines including:
M42

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

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

This item fits the following BMWs:
E30 BMW 318i, 318i Convertible, 318is

Fits BMW Engines including:
M42

Rein Coolant Overflow Hose is designed to meet the highest standards of performance and durability for your vehicle's cooling system. This high-quality hose ensures the proper transfer of excess coolant from the engine to the overflow reservoir, preventing overheating and ensuring optimal engine performance. Manufactured from reinforced rubber materials, the Rein Coolant Overflow Hose guarantees long-lasting reliability and precise fitment for various vehicle makes and models. It’s the perfect upgrade or replacement for worn-out hoses in any cooling system.

Available through Turner Motorsport, this coolant overflow hose is rigorously tested to withstand extreme temperatures, pressures, and daily use. If you’re looking to maintain or improve your car's cooling efficiency, the Rein Coolant Overflow Hose is an essential component.

• Precision engineered for a perfect fit
• Manufactured from durable, reinforced rubber
• Designed to withstand high temperatures and pressures
• Improves cooling system efficiency and prevents overheating
• Easy installation with OE-spec dimensions
• Available at Turner Motorsport, trusted for automotive parts

Enhance your vehicle's performance and reliability by replacing your old coolant hose with the Rein Coolant Overflow Hose today.

This is the hose that runs from the left radiator to the water valve. Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

This item fits the following BMWs: 
1999-2001 E38 BMW 740i 740il