Table of Contents
Installing H&R suspension on the G87 M2 can significantly enhance handling and overall driving experience. This guide provides a detailed, step-by-step approach to ensure a successful installation.
Tools and Materials Needed
- H&R Suspension Kit
- Jack and jack stands
- Socket set
- Torque wrench
- Spring compressors
- Flathead and Phillips screwdrivers
- Rubber mallet
- Safety glasses and gloves
Preparation Steps
Before starting the installation, ensure you have a clean workspace and all necessary tools at hand. It’s also advisable to read through the H&R suspension manual for specific instructions related to your kit.
Step 1: Lift the Vehicle
Using a jack, lift the front of the vehicle and secure it with jack stands. Ensure the vehicle is stable before proceeding.
Step 2: Remove the Wheels
Once the vehicle is secure, remove the lug nuts using a socket wrench and take off the wheels to access the suspension components.
Front Suspension Installation
Step 3: Remove the Stock Struts
Locate the strut assembly and remove the bolts connecting it to the steering knuckle and the upper strut mount. Carefully lower the strut from the vehicle.
Step 4: Install H&R Struts
Using spring compressors, install the H&R springs onto the new struts. Ensure everything is seated properly before reinstalling the assembly into the vehicle.
Step 5: Secure the Struts
Reattach the strut assembly to the steering knuckle and upper mount. Tighten the bolts to the specifications provided in the H&R manual using a torque wrench.
Rear Suspension Installation
Step 6: Remove the Stock Shocks
For the rear suspension, locate the shock absorbers and remove the bolts securing them to the lower control arm and upper mount.
Step 7: Install H&R Shocks
Install the H&R shocks in the same position as the stock shocks. Ensure proper alignment and secure them with the original hardware.
Step 8: Reinstall the Rear Springs
If you are also replacing the rear springs, use spring compressors to install the new H&R springs. Ensure they are seated correctly before securing the shocks.
Final Steps
Step 9: Reattach the Wheels
Once the suspension components are installed, reattach the wheels and hand-tighten the lug nuts.
Step 10: Lower the Vehicle
Carefully lower the vehicle back to the ground using the jack, then fully tighten the lug nuts to the manufacturer’s specifications.
Step 11: Alignment Check
After installation, it’s crucial to have a professional alignment done to ensure optimal handling and tire wear.
Conclusion
Installing H&R suspension on your G87 M2 can greatly improve handling and driving dynamics. Follow these steps carefully and enjoy the enhanced performance of your vehicle.