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The BMW M5 F90 is renowned for its performance and luxury, but enthusiasts are always looking for ways to enhance their driving experience. One of the most effective upgrades is the driveshaft, which plays a crucial role in torque transfer. This article will explore how an F90 driveshaft upgrade can lead to improved torque transfer and significant horsepower gains.
Understanding the Importance of the Driveshaft
The driveshaft is a vital component in any vehicle, connecting the transmission to the differential. In high-performance cars like the BMW M5, it must handle substantial torque loads while maintaining stability and responsiveness. A stock driveshaft may limit performance, particularly when modifications increase engine output.
Benefits of Upgrading the Driveshaft
Upgrading the driveshaft on an F90 M5 can yield numerous benefits, including:
- Improved Torque Transfer: A high-quality driveshaft can transfer more torque from the engine to the wheels, enhancing acceleration and responsiveness.
- Weight Reduction: Many aftermarket driveshafts are lighter than stock options, which can reduce overall vehicle weight and improve handling.
- Increased Durability: Upgraded driveshafts are often built from stronger materials, providing better resistance to wear and tear under high-stress conditions.
- Enhanced Performance: With improved torque transfer, drivers can experience gains in horsepower, often exceeding +80 hp with the right modifications.
Choosing the Right Driveshaft
When selecting a driveshaft for the BMW M5 F90, consider the following factors:
- Material: Aluminum and carbon fiber are popular choices for aftermarket driveshafts due to their strength and lightweight properties.
- Compatibility: Ensure the driveshaft is specifically designed for the F90 M5 to guarantee proper fitment and performance.
- Brand Reputation: Opt for reputable brands known for quality and performance in the automotive aftermarket.
- Installation: Consider whether you will install the driveshaft yourself or hire a professional; some options may require specialized tools or expertise.
Installation Process
Installing an upgraded driveshaft on the BMW M5 F90 typically involves the following steps:
- Preparation: Gather necessary tools, including wrenches, sockets, and a torque wrench. Ensure the vehicle is securely lifted and supported.
- Remove the Stock Driveshaft: Disconnect the driveshaft from the transmission and differential, taking care to note the orientation and position of any components.
- Install the New Driveshaft: Align the new driveshaft with the transmission and differential, ensuring proper fitment. Secure it using the appropriate fasteners.
- Torque Specifications: Follow manufacturer specifications for torque settings to ensure a secure fit.
- Testing: Once installed, test drive the vehicle to ensure everything functions correctly and listen for any unusual noises.
Performance Gains and Expectations
After upgrading the driveshaft, many BMW M5 F90 owners report noticeable improvements in performance. These can include:
- Quicker Acceleration: Enhanced torque transfer leads to faster acceleration times, making the M5 feel even more responsive.
- Smoother Power Delivery: A well-engineered driveshaft can provide a more consistent power band, improving overall driving dynamics.
- Increased Horsepower: With the right combination of upgrades, gains of +80 hp are achievable, significantly enhancing the driving experience.
Conclusion
Upgrading the driveshaft on a BMW M5 F90 is a valuable investment for any performance enthusiast. With improved torque transfer, reduced weight, and the potential for substantial horsepower gains, this modification can transform the driving experience. By carefully selecting the right driveshaft and following proper installation procedures, drivers can unlock the full potential of their M5.