If your BMW 5 Series F10/F11, BMW M5 F10, or BMW M6 F06/F12/F13 deserves sharper response and better power delivery, this upgrade is worth your attention.

⚡ Part #: 032056A — Polyurethane Rear Differential Bushing (Sport)

Engineered for performance-focused drivers who want more connection between throttle input and road feel.

💡 Why Upgrade to Polyurethane?

The factory rubber bushings (OEM 33172284039 / 33174798197) are designed for comfort — but they allow flex. Under load, that flex translates into power loss, drivetrain movement, and delayed response.

This 90ShA polyurethane bushing changes that.

🚀 Key Advantages & Benefits

✔️ Reduced Differential Movement
Keeps the rear diff firmly in place under acceleration and load

✔️ Sharper Throttle Response
Less drivetrain slack = more immediate power transfer

✔️ Improved Stability Under Load
Better control during aggressive driving and high torque conditions

✔️ Increased Durability
Polyurethane resists wear, oil, and deformation far better than rubber

✔️ Enhanced Driving Feedback
More direct connection between driver, drivetrain, and road

🛠️ Specifications

• Material: Polyurethane
• Hardness: 90ShA (Sport — firm, performance-oriented)
• Required per vehicle: 1

🏁 Who Is This For?

Ideal for:

• Performance enthusiasts
• Tuned / high-horsepower builds
• Drivers looking to eliminate rear-end “slop”
• Anyone wanting a tighter, more responsive BMW driving experience

⚠️ What to Expect

This is a sport-grade bushing, so you may notice a slight increase in NVH (noise/vibration/harshness). That’s the trade-off for precision and performance — and for most drivers, it’s well worth it.

📩 Upgrade Your Rear End the Right Way

A small part with a big impact on how your BMW drives.