BMW Headlight Coding
Supported coding features by BimCOM diagnostic tool https://www.obdtester.com/bimcom
- Headlight reset
- Headlight status
- Headlight ID read
- Headlight ID write
What it does
- Resets headlight control adaptations
- Clears stored leveling/aiming offsets
- Restores default module behavior
When used
- After replacing headlights
- After repairing wiring or connectors
- After leveling motor replacement
What it does
- Reads live data from the headlight module
- Shows:
- Leveling motor position
- LED/halogen status
- Error flags
- Communication state
When used
- Diagnosing lighting faults
- Checking if modules respond correctly
- Verifying sensor inputs
What it does
- Reads stored identification data from the headlight unit
- Retrieves:
- Hardware ID
- Software version
- Production date
- Coding index
When used
- Before writing new IDs
- Confirming compatibility
- Comparing left/right modules
What it does
- Writes identification or coding data to a new or replaced headlight unit
- Syncs headlight module identity with vehicle
Conditions
- Correct headlight type installed
- No voltage drops (charger recommended)
- No active headlight communication faults
When used
- Installing new or used headlight modules
- Fixing mismatched headlight coding
- After FRM/BDC replacement