how to fix the steering wheel shaking in my BMW 3 Series E90/E91 (2005-2012)?

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Ensure the vehicle is on a flat surface and securely lifted using jack stands.
• Disconnect the battery to prevent any electrical issues.

2. Tire Inspection and Replacement

1. Remove the front wheels using a socket set.
2. Inspect tires for uneven wear; replace if necessary.
   • Tools Required: Socket set, tire pressure gauge
   • Parts Required: New tires (if needed)

3. Wheel Balancing

1. Mount the tires on a wheel balancer.
2. Adjust weights as needed to achieve proper balance.
   • Tools Required: Wheel balancer

4. Suspension Component Inspection

1. Visually inspect control arms, bushings, and tie rods for cracks, excessive wear, or damage.
2. If any components are damaged, replace them.
   • Tools Required: Socket set, wrenches, possibly a ball joint puller
   • Parts Required: Replacement control arms, bushings, or tie rods (as needed)

5. Wheel Alignment

1. After replacing any worn components, perform a four-wheel alignment.
2. Adjust camber, caster, and toe settings to meet manufacturer specifications.
   • Tools Required: Alignment machine
   • Safety Warnings: Ensure the vehicle is level throughout the alignment process.