BMW 740I Expansion Tank Parts
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The average price of a BMW 740I expansion tank is between $38.00 and $157.99.
The BMW 740i expansion tank is a component of the cooling system in the vehicle. It serves as a reservoir for excess coolant, allowing for expansion and contraction due to temperature changes. The expansion tank is typically located near the radiator, often on the passenger side of the engine compartment. It is easily identifiable by its translucent plastic construction and a coolant hose connecting it to the radiator.
The typical lifespan of a BMW 740i expansion tank can vary depending on various factors such as driving conditions, maintenance, and overall vehicle usage. On average, an expansion tank for this model could last anywhere from 80,000 to 120,000 miles before requiring replacement. However, it's important to note that this is just an estimate, and individual experiences may vary. Regular inspection and proper maintenance can help prolong the life of the expansion tank and other related components.
Signs of a Faulty BMW 740I Expansion Tank
- Coolant Leaks: One of the primary signs of a faulty expansion tank is coolant leaks. You may notice puddles of coolant beneath your vehicle or around the expansion tank itself.
- Overheating Engine: A malfunctioning expansion tank can cause the engine to overheat. This occurs when there is a loss of coolant due to a faulty tank, and the engine is not properly cooled.
- Low Coolant Levels: If you frequently find yourself needing to refill your coolant, it may indicate a problem with the expansion tank. A faulty tank may not effectively hold and maintain the correct coolant levels.
- Discolored Coolant: When an expansion tank is faulty, it can cause the coolant to become discolored. If you notice that your coolant is brownish or has a rusty appearance, it may be an indicator of a failing expansion tank.
- Bulging or Cracked Tank: Inspect the expansion tank visually. If you notice any bulging, cracking, or signs of damage on the tank, it is likely defective and needs to be replaced.
- Pressure Issues: A faulty expansion tank may cause irregular pressure in the cooling system. This can result in abnormal fluctuations in temperature or even cause the radiator hoses to burst.
- High-Pitched Whistling Noise: A failing expansion tank can create a high-pitched whistling noise as coolant pressure escapes through a crack or a damaged seal.
If you suspect any issues with your BMW 740I expansion tank, it is recommended to have it inspected and repaired by a qualified mechanic or BMW dealership.
Top BMW 740I Expansion Tank Manufacturers
Genuine: The Genuine expansion tanks for the BMW 740I are produced by authorized auto parts manufacturers chosen by BMW. These manufacturers are held to stringent quality standards set by the vehicle manufacturer. Genuine branded parts are known for their exceptional quality and are considered to be the original equipment, ensuring a perfect fit and optimal performance. While they are more expensive due to the brand association, they offer reliability and durability.
Mahle Behr: Mahle Behr is a reputable manufacturer of automotive components and their expansion tanks for the BMW 740I are trusted by many. They are known for their high-quality products that meet or exceed OEM specifications. Mahle Behr expansion tanks undergo rigorous testing to ensure their performance and longevity. Choosing a Mahle Behr expansion tank can be a cost-effective alternative to the Genuine brand, as they offer reliable performance at a lower price point.
Rein Automotive: Rein Automotive is another trusted manufacturer of aftermarket replacement parts, including expansion tanks for the BMW 740I. Their expansion tanks are designed to meet or exceed OEM standards, delivering reliable performance and durability. While not branded under the BMW name, Rein Automotive products still provide a quality alternative to Genuine parts. They are generally more affordable than the Genuine brand while maintaining a high level of quality and compatibility with BMW vehicles.
In summary, when it comes to choosing an expansion tank for a BMW 740I, the Genuine brand represents the highest standard of quality but comes with a higher price tag. Mahle Behr and Rein Automotive both offer reputable alternatives with good quality and reliability. Consider your budget and preferences to make an informed decision on which brand best suits your needs.
Shop Deals On BMW 740I Expansion Tanks
When shopping for a BMW 740I expansion tank, you will discover numerous advantages offered by AutohausAZ. Firstly, they provide a wide range of high-quality expansion tanks specifically designed for your BMW model. This ensures that you will find the perfect fit and compatibility, eliminating any concerns about compatibility issues or incorrect installations.
Furthermore, AutohausAZ offers excellent customer service. Their knowledgeable team is ready to assist you with any questions or concerns you may have regarding the expansion tank or any other parts for your BMW. They are committed to providing a seamless shopping experience, ensuring that you can make an informed decision and purchase with confidence.
In addition to their comprehensive product selection and exceptional customer support, AutohausAZ also prioritizes affordability. By offering competitive prices on their expansion tanks, they strive to provide you with the best value for your money. This means that you can acquire a top-quality replacement part without breaking the bank.
Lastly, AutohausAZ's commitment to quality extends beyond just the products they offer. They work with trusted manufacturers to source expansion tanks that meet or exceed OEM specifications. This guarantees that the part you purchase is built to withstand the demanding performance requirements of your BMW.
Overall, shopping at AutohausAZ for a BMW 740I expansion tank brings several advantages, from their wide selection and dedicated customer service to their competitive prices and commitment to quality. With their assistance, you can find the right expansion tank for your BMW quickly and easily, ensuring optimal performance and peace of mind.
