BMW Clock Spring Replacement, Problems, Cost, DIY

BMW Clock Spring Replacement, Problems, Cost, DIY

DIY Cost: $50-$140
Est. Time: 2 hour
Difficulty: Difficult

This guide provides step-by-step instructions, with detailed pictures and video clips, to help you successfully replace a BMW clock spring. A faulty BMW clock spring is a common problem that causes the airbag light to come on.

 

Symptoms

  • BMW Airbag Light On,
  • Horn doesn't work
  • BMW steering wheel buttons don't work,
  • Paddle shifter not working,
  • Fault Code: Driver squib circuit open or high resistance,
    • Code B1049 and B1054

What you will need

Procedure

  1. Park the BMW and set the wheels straight, steering wheel on center. Engage the parking brakes.bmw clock spring repair
  2. Disconnect the BMW battery. The battery is located in the trunk area on most BMWs. including 3, 5, 6 X1, X3, X5 series.

  3. Remove the BMW airbag and steering wheel from the steering column. On the back of the steering wheel, you will notice one or two access holes. Insert a screwdriver in the side hole and press on the spring to release the airbag.

    bmw clock spring replacement removal
  4. Next, remove the steering wheel center bolt.

    bmw e36 clock spring  bmw e46 clock spring

    If you need help with this step, follow this guide on Removing the airbag and steering wheel on a BMW. Mark the steering column and the steering wheel before you remove the steering wheel.

  5. Remove the BMW steering wheel from the steering column.

  6. Remove Torx bolts to remove the clock spring from the SZL module.

    bmw airbag clock spring removal diy
  7. Use a small screwdriver to unlock the BMW steering wheel clock spring from the SZL module.

  8. Install the new BMW clock spring.

    repair bmw clock spring bmw e36 steering wheel clock spring
  9. Reconnect the steering wheel, airbag, battery and start the car.

    bmw steering wheel clock spring

    Watch the video on how to perform this step.

  10. Clear SZL fault codes and carry out steering angle sensor calibration using a BMW scan tool.

    bmw steering angle sensor calibration

 

Replacing the clock spring on a BMW is a fairly easy job that most DIYers can accomplish on their driveway.

Be aware that you may need to reset the steering angle sensor, which requires a BMW-specific diagnostic scanner. To learn more about clock springs and how they work, read this article.


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