Powerflex BMW Differential and Gearing Upgrades for BMW 6 Series E64 (2004-2010)

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Upgrading various parts of the differential can have tremendous benefits in your car's performance. It's easy to forget that the differential is a source for making your car faster and handle better so it's often overlooked. The engine is not the only place to make the car faster. Our differential options vary from gearing upgrades to limited slip conversions. You can purchase the ring & pinion gear sets on their own (professional installation required) or have us build a diff around your own specifcations. The options are almost endless! Every custom-built diff is fully rebuilt with seals and bearings. We also design and supply bushing options to reduce driveline wind-up, finned differential covers for better cooling, and more!

Ratio Changes - Changing the differential gearing is one of the best and most-effective upgrades you can make on any BMW (old or new). By using a shorter (numerically higher) final drive ratio you are increasing your RPM relative to road speed - this puts you in a more powerful RPM range than before! Since you're in a 'meatier' part of the power band you're now putting down more power/torque to the ground. If you can trade outright top speed for faster acceleration at daily speeds then this is the perfect upgrade for you.

Limited Slip Upgrades - Sadly, many BMWs today are not equipped with a limited slip (posi-traction) differential. BMW has tried to compensate by using traction control that cuts power at the engine or applies the brakes to retard wheel spin (or a combination of both). But nothing beats the function and feel of a a true LSD which may be why BMW continues to use them in M cars. Our LSD upgrades can be done a number of different ways - a factory-type limited slip unit with either 2 or 3 clutch packs, helical type, OS Giken unit, or something truly custom. We can also vary ramp angles and setup to change the limited-slip behavior under acceleration, deceleration, and cornering. Need a custom diff? Call or e-mail to have a quote.
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Powerflex Black Series Rear Diff Front Bushings - BMW E60/E61 E63/64
Powerflex Black Series Rear Diff Front Bushings - BMW E60/E61 E63/64 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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T#:34549569
Part#: PFR5-725BLK
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$ 96.99 USD
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$ 96.99 USD
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The Powerflex Rear Differential Front Bushings for the BMW E60 5-Series and E63 6-Series are specifically engineered to optimize the performance of the rear differential assembly. By replacing the factory rubber bushings with robust polyurethane, these bushings provide numerous benefits that enhance vehicle handling and stability.

Key Benefits:

  1. Enhanced Power Delivery: The firmer polyurethane material reduces flex and movement in the differential mount, ensuring better alignment and stability. This improvement leads to more effective power transfer from the engine to the wheels, resulting in enhanced acceleration and performance.

  2. Increased Longevity: Powerflex bushings are designed to withstand harsh driving conditions, resisting wear from heat, oil, and road debris. Unlike conventional rubber bushings, which can deteriorate over time, these polyurethane bushings maintain their performance over a longer period.

  3. Improved Handling Dynamics: By minimizing unwanted movement in the rear differential, these bushings enhance the vehicle’s handling characteristics. Drivers will experience reduced body roll and increased traction, allowing for a more controlled and confident driving experience, especially in high-performance situations.

  4. Superior Road Feel: The stiffer construction of these bushings enhances feedback to the driver, improving steering response and overall road feel. This connection allows for a more engaging driving experience, as drivers can better sense the vehicle’s dynamics.

  5. Simple Installation: These bushings are specifically designed to fit the E60 and E63 models directly into the existing differential mounts. The installation process is straightforward, requiring no modifications, which makes it an accessible upgrade for DIY enthusiasts.

This upgrade is perfect for BMW E60 5-Series and E63 6-Series owners seeking to enhance their vehicle’s rear differential performance and overall handling capabilities. The Powerflex Rear Differential Front Bushings offer a reliable solution for improving the effectiveness of the rear suspension system, making them suitable for everyday driving as well as spirited performance applications.

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Powerflex BMW E60 - E61 5 Series Rear Diff Bushing
Powerflex BMW E60 - E61 5 Series Rear Diff Bushing
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Powerflex - Corporate Logo
T#:33880014
Part#: PFR5726
Back Ordered
$ 62.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 62.99 USD
Free Shipping on orders $49 and up
Add to Wish List
The Powerflex Rear Diff Rear Bushings for the BMW E60 5-Series and E63 6-Series are performance-oriented components designed to upgrade the rear differential mount system. Here’s a detailed description of their features and benefits: Durable Polyurethane Construction: These bushings are crafted from high-quality polyurethane, which is known for its resilience and ability to withstand harsh conditions. Unlike factory rubber bushings that can degrade over time, Powerflex bushings maintain their integrity and performance even under extreme driving conditions. Enhanced Differential Control: The stiffer nature of the polyurethane material reduces unwanted movement of the rear differential during acceleration and cornering. This results in improved control and stability, allowing for better power delivery and overall performance. Improved Handling Dynamics: By minimizing differential movement, the Powerflex bushings help maintain the proper alignment of the rear suspension. This leads to enhanced handling characteristics, providing a more connected and responsive driving experience, especially in spirited or performance driving scenarios. Minimized Wear and Tear: The durable construction of these bushings reduces the likelihood of premature wear, extending the lifespan of the differential and surrounding components. This makes them a smart investment for both daily drivers and performance enthusiasts. Reduced NVH Levels: While offering performance enhancements, Powerflex has designed these bushings to keep noise, vibration, and harshness (NVH) increases to a minimum. This balance allows for a comfortable driving experience without sacrificing the benefits of improved handling. Easy Installation: Specifically designed for the BMW E60 and E63 models, these bushings offer a direct replacement for the factory components. This ensures a hassle-free installation process, making them accessible to both DIY enthusiasts and professional mechanics. Ideal for Performance Upgrades: Whether you're modifying your vehicle for track use or simply looking to enhance everyday performance, these bushings provide a significant upgrade over the stock components, making them a popular choice among BMW enthusiasts.
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