
The second-generation BMW 1-Series (chassis codes F20 for the 5-door hatchback and F21 for the 3-door hatchback) was produced from 2011 to 2019. Known for its sporty handling, efficient engines, and premium features, the F20/F21 1-Series maintained BMW’s reputation for delivering driving pleasure in a compact form.
In this article, you will find fuse box diagrams for BMW 1-Series models produced between 2011 and 2019, covering years 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, and 2019. These diagrams provide essential information about the fuse layout and relay assignments, allowing you to efficiently troubleshoot and maintain the vehicle’s electrical systems.
What’s Included:
- Fuse Box Diagrams: Clear and detailed visuals for quick identification of fuses and relays.
- Fuse Panel Locations: Step-by-step instructions on locating the fuse panels inside your BMW 1-Series.
- Fuse Assignments: A comprehensive breakdown of each fuse and relay’s function to simplify diagnostics and repairs.
Whether you are replacing a blown fuse, diagnosing an electrical issue, or performing regular maintenance, this guide is a must-have resource for BMW 1-Series (F20/F21) owners and technicians. It provides the information and tools needed to keep your car’s systems functioning optimally.
Keep your BMW 1-Series (F20/F21) running smoothly with this detailed fuse box guide!
Fuse Box Location



It is located in the right side of the engine compartment (on the left side on the right-hand drive vehicles), under plastic cover.
Fuse box diagram
Assignment of the fuses
Fuse layout may differ! Your exact fuse allocation scheme is located near the fuse box in the luggage compartment.

BDC (Body Domain Controller)

It is located in the front pillar on the passenger side, under the glove box.
Scheme

1 – 54-pin connector
2 – 12-pin connector
3 – 42-pin connector
4 – 54-pin connector
5 – Fuses
6 – Connector (1-pin, positive)
7 – Relays
8 – 54-pin connector
9 – 54-pin connector
10 – 54-pin connector
Fuses:
Switching center in the steering column (SZL)
Control panel for driver assistance systems
Lighting control panel
LED headlights
Rear electronic module (REM)
Connector OBDII, IHKA
Electronic block of external door handle
Window lifter
Central locking
Relays:
Electric windows
Central locking
Headlight washers
Starter
Horn
Windshield wiper at 1/2 speed
Fuse boxes in the luggage compartment
Fuse Box Location

One unit is located on the right side, behind the sound insulation. The second – in the center, under the lining.
Fuse box diagram

Assignment of the fuses
Fuse layout may differ! Your exact fuse allocation scheme is located near the fuse box in the luggage compartment.
