The BMW Part Hose, thermostat-coolant pump 11537521049, is a crucial component in the BMW cooling system. This hose connects the thermostat housing to the water pump, facilitating the flow of coolant between these two points. By doing so, it helps regulate the engine’s temperature, ensuring optimal performance and preventing overheating.
The durability and chemical resistance of this hose are essential for maintaining the integrity of the cooling system and, consequently, the overall health of the engine.
The BMW Part Hose, thermostat-coolant pump 11537521049 is a genuine BMW part designed for various BMW models from 2006 to 2013. Here are the specific features, materials, and specifications:
Part Number: 11537521049
Other Names: Water Hose, Water Pipe
Item Weight: 0.40 Pounds
Condition: New
Fitment Type: Direct Replacement
Manufacturer: BMW
Warranty: Guaranteed by BMW’s factory warranty
Vehicle Fitment: Compatible with models such as 2006-2013 BMW 128i, 323i, 325i, 328i, 330i, 525i, and more
Materials and Specifications:
Material: Made from high-quality rubber and reinforced with fabric for durability and flexibility.
Design: Engineered to withstand high temperatures and pressure, ensuring efficient coolant flow and preventing leaks.
Compatibility: Fits various BMW models with N51 and N52 engines, including sedans, coupes, convertibles, and wagons.
Unique Aspects:
Rigorous Testing: Undergoes extensive testing to ensure long-lasting durability and reliability.
Direct Replacement: Designed as a direct replacement part, making installation straightforward and hassle-free.
Cost-Effective: Offers significant savings compared to the MSRP, making it an affordable option for BMW owners.
Tools Needed:
Flat head screwdriver
10mm socket
22mm wrench
Drain pan
Coolant
Safety Precautions:
Ensure the engine is cool before starting.
Wear safety goggles and gloves to protect from coolant.
Have a drain pan ready to catch coolant.
Step-by-Step Installation:
Drain the Coolant: Open the radiator cap and drain the coolant into a drain pan.
Remove the Old Hose: Use a flat head screwdriver to pry up the retaining clip or loosen the hose clamps. Carefully remove the old hose.
Prepare the New Hose: Soften the new hose if it is stiff by soaking it in hot water or soapy water.
Install the New Hose: Push the new hose over the fitting until the clip locks it in place. Ensure the hose is properly seated.
Refill the Coolant: Refill the cooling system with coolant and check for leaks.
Test the System: Start the engine and let it run to ensure the new hose is functioning properly.
Final Steps:
Check for any leaks around the new hose.
Reinstall the radiator cap and ensure it is secure.
Dispose of the old coolant properly according to local regulations.
By following these steps, you can successfully install the BMW Part Hose, thermostat-coolant pump 11537521049.
Leaking Coolant: The most common issue is coolant leaks, which can occur due to cracks, bulges, or loose fittings in the hose.
Overheating Engine: A damaged or faulty hose can lead to insufficient coolant flow, causing the engine to overheat.
Collapsed Hose: The hose may collapse, restricting coolant flow and leading to overheating.
Corrosion: Over time, the hose material can corrode, especially if exposed to harsh chemicals or extreme temperatures.
Wear and Tear: Regular use can cause the hose to wear out, leading to leaks and reduced efficiency.
Inspect for Leaks: Regularly check the hose for any signs of leaks, such as coolant puddles under the car or visible cracks in the hose.
Check Coolant Levels: Monitor the coolant level in the reservoir tank. Low coolant levels can indicate a leak.
Replace Damaged Hoses: If you find any cracks, bulges, or corrosion, replace the hose with a new BMW-certified hose.
Ensure Proper Fittings: Make sure all fittings are secure and not loose. Tighten any loose clamps or fittings.
Flush Cooling System: Periodically flush the cooling system to remove any debris or contaminants that could cause corrosion or blockages.
Use Correct Hose Type: Use the correct type of hose for your BMW model to ensure compatibility and proper fit.
Avoid Overheating: If the engine overheats, turn off the car immediately and allow it to cool down before inspecting the hose and other cooling system components.
By following these tips, you can help maintain the health of your BMW’s cooling system and prevent common issues with the thermostat-coolant pump hose.
Regularly inspect the hose for any signs of wear, cracks, or leaks. Ensure the hose is securely connected at both ends and replace it immediately if any damage is detected. Use only genuine BMW coolant to prevent chemical degradation of the hose material.
Flush the cooling system and replace the coolant as per BMW’s recommended schedule to avoid clogs and maintain optimal performance. Keep the engine bay clean to prevent debris from damaging the hose. Avoid over-tightening clamps to prevent hose damage.
The BMW Part Hose, thermostat-coolant pump 11537521049 is a crucial component in the BMW cooling system, connecting the thermostat housing to the water pump and facilitating coolant flow between these two points. This hose helps regulate engine temperature, ensuring optimal performance and preventing overheating. Its durability and chemical resistance are essential for maintaining the integrity of the cooling system and overall engine health.
The part is designed as a direct replacement for various BMW models from 2006 to 2013, with specific features including:
Installation requires tools such as a flat head screwdriver, 10mm socket, and wrench, along with safety precautions like wearing safety goggles and gloves to protect from coolant. The step-by-step installation process involves:
Common issues with this part include:
Troubleshooting tips include:
Regular inspection of the hose is crucial to prevent common issues, and it’s recommended to use genuine BMW coolant to prevent chemical degradation of the hose material. Flushing the cooling system and replacing the coolant as per BMW’s recommended schedule can also help maintain optimal performance.
