Horn — Horn circuit BMW M3 F80
All systems — 34 systems
- Active bodyworks
- Air conditioning
- Anti-lock brakes
- Anti-theft 2
- Body control modules 2
- Computer data lines
- Cooling fan
- Cruise control
- Defoggers 3
- Electronic power steering
- Electronic suspension 2
- Engine performance 3.0l turbo
- Exterior lights 4
- Ground distribution
- Headlights 2
- Horn
- Instrument cluster
- Interior lights 2
- Memory systems 3
- Navigation 9
- Passive restraints
- Power distribution
- Power door locks
- Power mirrors
- Power seats 7
- Power top/sunroof
- Power windows 2
- Radio 7
- Starting/charging 2
- Supplemental restraints
- Transmission 2
- Trunk, tailgate, fuel door 2
- Warning systems
- Wiper/washer
