FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
why does my BMW 5 Series F10/F11 (2010-2017) headlights keep flickering - BMW 5 Series
Home/Cars/BMW/5 Series/F10/F11 (2010-2017)/why does my BMW 5 Series F10/F11 (2010-2017) headlights keep flickering

why does my BMW 5 Series F10/F11 (2010-2017) headlights keep flickering

BMW 5 Series F10/F11 (2010-2017)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
552 words

Problem Statement

The headlights on your BMW 5 Series F10/F11 (2010-2017) are flickering, which can indicate an electrical issue or a problem with the headlight components.

Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect battery before working on electrical systems.
  • •Allow headlights to cool before handling to avoid burns.

Symptoms

  • •Headlights flickering intermittently
  • •Dimming of headlights during operation
  • •Warning message on the dashboard regarding lights
  • •Possible burning smell from headlight area
  • •Reduced visibility at night

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

  • •OBD-II scanner
  • •Multimeter
  • •Socket set
  • •Screwdriver set
  • •Electrical contact cleaner

Parts Required

  • •Replacement headlight bulbs
  • •Headlight relay (if faulty)
  • •Fuses (if blown)

Additional Information

Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
3 items

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation
Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a flat surface and the engine is off.
  • Disconnect the battery to avoid electrical shock.
2. Inspect and Replace Headlight Bulbs
  • Remove the headlight assembly cover by unscrewing the retaining screws.
  • Carefully twist and pull out the headlight bulb.
  • Inspect the bulb for any signs of damage or burnt filaments.
  • Replace with a new bulb (ensure correct type: H7, H11, etc.).
  • Reinstall the bulb and secure the assembly cover.
3. Check and Repair Wiring
  • Visually inspect the wiring harness connected to the headlight for any signs of wear, fraying, or corrosion.
  • Use electrical contact cleaner to clean any corroded connectors.
  • Repair any damaged wires using electrical tape or heat-shrink tubing.
  • Ensure all connectors are seated properly.
4. Test and Replace Relay/Fuse
  • Locate the fuse box and identify the headlight relay and fuse.
  • Remove the relay and test it using a multimeter for functionality.
  • Replace the relay if it is found to be faulty.
  • Inspect and replace the fuse if it is blown.
5. Verify Voltage Supply
  • Reconnect the battery.
  • Use a multimeter to check the voltage at the headlight connector; it should read between 12.6V and 14.4V.
  • If the voltage is lower than 12V, investigate further upstream, including the battery and alternator.
6. Reassemble and Final Checks
  • Reassemble any removed components and ensure all screws are tightened properly.
  • Perform a final visual inspection of the headlight assembly.
  • Reconnect the battery.