BMW f30 fuses and relays with full wiring diagrams

Wiring diagrams


12 volt mains

Automatic tow hitch

Virtual display

Adaptive cornering light

Side lighting

Video module

Exterior Rear Lighting

Built-in automatic heating and air conditioning system in high performance

Integrated automatic heating and air conditioning system as standard

Hybrid drive

Diagnostic socket

Head device

Hi-Fi Speakers

Speakers, stereo

N13 engine interface

N20 engine interface

N47 engine interface

N55 engine interface

Instrument cluster

Steering column switch cluster

Front contacts

Ground contacts inside the passenger compartment

Contacts with the mass. rear end

Crash Safety Module

Email Connection Module trailer equipment

Outside mirrors 1

Outside mirrors 2

Outside mirrors 3

Interior lighting

Engine cooling

Parking assistant

Front exterior halogen lights

Front exterior lighting xenon headlights

Front exterior lighting

LED headlights

Sliding sunroof

Cigarette lighter, socket


Driver's seat

Manual passenger seat

Driver seat with memory function

Power front passenger seat

Automatic engine start and stop system

Dynamic stability control system

Rear seat heating system

Burglar alarm system

Supply system

Wiper, washer system

Power windows


central locking

K-can tire

K-can2 tire

Flexray tire

Bus most

Lin bus

Bus pt-can2

Electromechanical power steering

Transmission control system

Electrochromic Mirror


Relay and fuse box in the engine compartment

It is located on the right side, closer to the windshield. For access remove a protective cover.

It looks like this.

Description table

Block in the interior of the BMW F30

It is located on the front desk on the passenger side.

  1. 54 pin connector
  2. 12 pin connector
  3. 42 pin connector
  4. 54 pin connector
  5. Circuit breakers
  6. Connector (1 pin, plus terminal)
  7. Relay
  8. 54 pin connector
  9. 54 pin connector
  10. 54 pin connector

Fuses responsible for:


steering column switch cluster (SZL)

driver assistance systems control panel

lighting control panel

LED headlight driver module

rear electronic module (REM)

OBD II connector, IHKA

electronic door handle electronic unit

power windows

central locking.



power window driver

power front

central locking

headlight washers


horn sound

wiper at a speed of 1 / 2m

Luggage units

One unit is located behind the casing on the right side, near the battery.

The other is centered under the skin. More details in the video, a little lower.

Your exact circuit with fuses is folded under the trunk floor, inserted into a special place on the fuse box on top (folded paper). We provide for review one of the versions.

Comments: 1
  • #1

    Terry Huss (Wednesday, 22 September 2021 18:23)

    Where is the relay that controls the trunk release? Not getting power to the release motor. The valet switch is set to enable trunk release. Doesn't work from any of the release buttons or remote.