why does my BMW X3 G01 shake when I hit the brakes

Solution

1. Preparation

• Gather tools and parts needed.
• Ensure the vehicle is parked on a flat surface and the parking brake is engaged.

2. Raise the Vehicle

• Tools Required: Jack and jack stands
• Sub-steps:
  1. Use a jack to lift the front or rear of the vehicle as needed.
  2. Secure with jack stands for safety.

3. Remove Wheel

• Tools Required: Socket set
• Sub-steps:
  1. Loosen lug nuts slightly before lifting the vehicle.
  2. Remove the lug nuts completely and take off the wheel.

4. Inspect and Replace Brake Components

• Tools Required: Torque wrench, brake cleaner
• Sub-steps:
  1. Inspect brake rotors for warping or grooves; replace if necessary.
  2. If rotors are warped, remove them by loosening the caliper bolts and the rotor retaining screws.
  3. Inspect brake pads; replace if they are unevenly worn or below the minimum thickness.
  4. Clean the caliper and rotor surfaces with brake cleaner before reassembling.

5. Reassemble Components

• Tools Required: Torque wrench
• Sub-steps:
  1. Reinstall the new or resurfaced rotors.
  2. Install new brake pads ensuring they are correctly positioned.
  3. Reattach the caliper and tighten bolts to manufacturer's torque specifications.

6. Reinstall Wheel and Lower Vehicle

• Tools Required: Torque wrench
• Sub-steps:
  1. Place the wheel back on and hand-tighten the lug nuts.
  2. Lower the vehicle and then torque the lug nuts to the specified value.

7. Test Drive

• Sub-steps:
  1. Conduct a test drive to ensure that the shaking has been resolved.
  2. Monitor the brakes for any abnormal noises or continued vibration.