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The BMW E90 M3 is known for its exceptional performance and handling capabilities. However, for enthusiasts looking to enhance these attributes, upgrading to KW coilovers and adjustable sway bars can significantly improve the driving experience. This article will guide you through the steps necessary to install these components, ensuring your M3 achieves the precision handling you desire.
Understanding KW Coilovers
KW coilovers are a popular choice among car enthusiasts for their adjustable ride height and damping settings. They provide a balance between comfort and performance, making them ideal for both street and track use. Here are some key features of KW coilovers:
- Adjustable Ride Height: Lower your car for improved aerodynamics and aesthetics.
- Customizable Damping: Fine-tune your suspension for different driving conditions.
- High-Quality Materials: Designed to withstand harsh driving environments.
Benefits of Adjustable Sway Bars
Adjustable sway bars enhance your vehicle’s stability during cornering by reducing body roll. This is particularly beneficial for the E90 M3, as it allows for better handling dynamics. Key benefits include:
- Improved Cornering Stability: Reduces body roll during aggressive turns.
- Customizable Handling: Adjust the stiffness to suit your driving style.
- Enhanced Grip: Better weight distribution improves traction.
Tools and Materials Needed
Before you begin the installation process, ensure you have the following tools and materials:
- KW coilover kit specific to E90 M3
- Adjustable sway bar kit
- Socket set
- Wrench set
- Jack and jack stands
- Torque wrench
- Spring compressors (if necessary)
- Lubricant for bolts
Installation Steps for KW Coilovers
Follow these steps for a successful installation of your KW coilovers:
- Step 1: Safely lift the car using a jack and secure it with jack stands.
- Step 2: Remove the wheels to access the suspension components.
- Step 3: Disconnect the stock struts by removing the bolts that connect them to the hub and the upper mount.
- Step 4: If necessary, use spring compressors to remove the factory springs from the struts.
- Step 5: Install the KW coilovers by reversing the removal process, ensuring all bolts are torqued to specifications.
- Step 6: Adjust the ride height and damping settings according to your preference.
- Step 7: Reinstall the wheels and lower the car back to the ground.
Installation Steps for Adjustable Sway Bars
Once the coilovers are installed, you can proceed with the adjustable sway bars:
- Step 1: With the car still lifted, locate the existing sway bar and remove it by unscrewing the mounting bolts.
- Step 2: Detach the end links from the sway bar and the control arms.
- Step 3: Install the new adjustable sway bar in the same position as the old one, ensuring it is secured tightly.
- Step 4: Attach the end links to the new sway bar and control arms, adjusting them as necessary for optimal performance.
- Step 5: Double-check all connections and ensure everything is tightened to the correct torque specifications.
- Step 6: Lower the car and perform a test drive to assess the new handling characteristics.
Final Adjustments and Testing
After installation, it is crucial to make final adjustments and test the vehicle:
- Alignment: Get a professional wheel alignment to ensure optimal handling and tire wear.
- Damping Settings: Experiment with different damping settings to find the best balance for your driving style.
- Test Drive: Take the car for a test drive, paying attention to how it handles in various conditions.
Conclusion
Upgrading to KW coilovers and adjustable sway bars on your E90 M3 can dramatically enhance its handling performance. By following the steps outlined in this guide, you can achieve a more precise and enjoyable driving experience. Remember to make adjustments based on your personal preferences and driving conditions, and always prioritize safety during installation.