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why are the mirrors on my BMW 5 Series G30/G31 (2017-2024) not adjusting? - BMW 5 Series
Home/Cars/BMW/5 Series/G30/G31 (2017-2024)/why are the mirrors on my BMW 5 Series G30/G31 (2017-2024) not adjusting?

why are the mirrors on my BMW 5 Series G30/G31 (2017-2024) not adjusting?

BMW 5 Series G30/G31 (2017-2024)

Error Codes
1-3 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
524 words

Problem Statement

The side mirrors on a BMW 5 Series G30/G31 (2017-2024) are not adjusting, which may be related to electrical or mechanical issues within the mirror adjustment system.

Estimated Time
1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect battery before working on electrical systems.
  • •Ensure the vehicle is in park and ignition is off when performing repairs.

Symptoms

  • •Mirror adjustment switch unresponsive
  • •No movement of the mirror glass when adjusting
  • •Check control display may show a fault message
  • •Possible clicking or grinding noise from the mirror assembly
  • •Other electrical components (like power windows) functioning normally

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •Trim removal tool
  • •Multimeter
  • •Screwdriver set
  • •Socket set

Parts Required

  • •Mirror adjustment switch (if faulty)
  • •Mirror adjustment motor (if faulty)
  • •Fuse (if blown)

Additional Information

Estimated Time
1-3 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
3 items

Related Faults

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Solution
1. Preparation
  • Gather tools and parts needed for the repair.
  • Disconnect the vehicle battery to ensure safety while working on electrical components.
2. Inspect and Test the Mirror Switch
  • Remove the trim panel around the mirror adjustment switch using a trim removal tool.
  • Disconnect the switch connector and test for continuity using a multimeter.
  • Replace the switch if faulty.
3. Check the Wiring and Connectors
  • Visual inspection of the wiring harness leading to the mirror for frays or breaks.
  • Disconnect the connectors at the mirror assembly and look for corrosion; clean if necessary.
  • Repair or replace any damaged wiring or connectors.
4. Test the Mirror Adjustment Motor
  • Remove the mirror from the vehicle by unscrewing the mounting screws.
  • Disconnect the motor connector and use a multimeter to check its resistance.
  • If the motor is unresponsive, connect it directly to a 12V power source to verify functionality.
  • Replace the motor if it does not operate.
5. Replace the Fuse (if necessary)
  • Locate the fuse box (typically found under the dashboard or in the engine compartment).
  • Identify the fuse for the mirror adjustment circuit using the diagram on the fuse box cover.
  • Replace the fuse with one of the same amperage if blown.