July 4, 2024

BMW 1 Series F20, F21 (2012-2018) – fuse box

Arnold06 mins

Fuses and relays for BMW 1 Series F20, F21 (2012-2018)

Year of manufacture: 2012, 2013, 2014, 2015, 2016, 2017, 2018.

Models: 114i , 116i, 118i, 120i, 125i, 114d, 116d, 118d, 120d, 125d.

Fuse system BMW 1 Series F20, F21 (2012-2018)

Fuse box in the engine compartment

Diagram of the fuse box

No. Amps [A] Description
1 Not used
2 Not used
3 5A Control unit, roof electronics
4 Not used
5 7,5A Door latch switches;

Passenger rear-view mirror.
6 10 A Motor control unit
7 10 A Electronic Automatic Transmission Control Unit (EAT)
8 5A Touch Body Control Unit
9 Not used
10 10 A Seat adjustment
11 5A Front left bathroom light;

Right front light in bathroom;

Rain sensor;

Interior lighting.
12 5A Cut-off relay;

Dynamic Stability Control (DSC).
13 Not used
14 Not used
15 5A Transfer box
16 10 A Coolant pump;

Air conditioning compressor;

Additional water pump.
17 Not used
18 Not used
19 5A Electrochromatic rear-view mirror
20 Not used
21 5A Driver Assistance System
22 5A Cruise Control
23 5A Crankcase ventilation heater;

Coolant shut-off valve.
24 Not used
25 10 A Steering column switches
26 Not used
27 5A Instrument cluster
28 Not used
29 7,5A Instrument cluster
30 5A Glovebox Illumination
31 7,5A Gear Shift Switch
32 5A Electronic Power Steering (EPS)
33 5A Air Quality Sensor
34 Not used
35 Not used
36 Not used
37 Not used
38 Not used
39 Not used
40 40A Fuse Box
41 30A Dynamic Stability Control (DSC)
42 Not used
43 Not used
44 Not used
45 30A Replacement Roof
46 30A Transfer box
47 20A Heated passenger seat
48 20A Heated driver’s seat
49 20A Lighter
50 30A Driver’s seat controller;

Driver’s seat control.
51 30A Passenger seat adjustment;

Passenger seat control unit.
52 12 V power supply
53 Not used

Fuse box in engine compartment (right side)

Diagram of the fuse box

See also  BMW iX3 (2021-...) - fuse box

No. Amps [A] Description
FL1 50A (also 80 A)
(also 125 A)Cut relay
FL2 125A Electronic Power Steering (EPS)
FL3 100A Additional Heater
FL4 40A Heated fuel filter
FL5 40A Dynamic Stability Control (DSC)
FL6 40A Fan motor
See also  BMW 540i - E34 (1989-1990) - fuse box

Fuse and relay box in engine compartment

No. Amps [A] Description
1 20A Motor control unit
2 20A Motor control unit
3 10 A Motor control unit
4 15A Motor control unit
5 20A Motor Control Unit
6 40A Motor Control Unit
7 50A Coolant Pump
R1 DDE main relay

Additional fuses in passenger compartment

No. Amps [A] Description
1 Not used
2 Not used
3 Not used
4 30A Electric passenger window
5 20A Central Locking System
6 30A Electrical conductor window
7 Central locking system
8 Not used
9 Not used
10 5A Control Panel;

Driver Assistance System;

Heating, ventilation, and air conditioning (HVAC);

Light switch.
11 7,5A Rear module,

Left Headlight.
12 7,5A Diagnostic socket
13 5A Telematics
14 15A Horn

Fuse and relay box in the trunk

Fuse box diagram

See also  BMW 7 G11-G12 (2019-2021...) - fuse box

No. Amps [A] Description
1 5A Camera control unit
2 15A Radio Control Unit
3 Not used
4 Not used
5 Not used
6 5A Sound System
7 Not used
8 Not used
9 5A Telematics
10 20A Radio Control Unit
11 30A Hi-Fi Amplifier
12 Not used
13 Not used
14 20A Towing Module
15 20A Towing Module
16 Not used
17 Not used
18 Not used
19 Not used
20 Not used
21 Not used
22 5A Siren, microwave sensor
23 5A Remote control receiver;

Vacuum leak detection.
24 Not used
25 Not used
26 Not used
27 Not used
28 Not used
29 Not used
30 Not used
31 Not used
32 Not used
33 10 A Sound system
34 5A DVD drive
35 5A Baseplates
36 Not used
37 Not used
38 Not used
39 Not used
40 Not used
41 Not used
42 Not used
43 Not used
44 Not used
45 Not used
46 20A Trailer Socket
47 Not used
48 Not used
49 30A DC-DC Converter

Fuse box in the trunk

No. Amps [A] Description
FL1 50A Rear module
FL2 10 A Fuse Box
FL3 10 A Power Distribution
FL4 125A Power Distribution
FL5 125A Integrated power supply module

Leave a Reply

Related News