Fuses and relays BMW 1 (F20/F21; 2011 - 2020)

The BMW F20/F21 is the second generation of the 1 Series five-door compact hatchback. Like its predecessor, it has rear-wheel drive, a longitudinal engine and a 50:50 weight distribution. In this material, we will analyze in detail the fuse diagrams of the BMW 1 series (2nd generation: 144d, 114i, 116d, 116i, 118d, 118i, 120d, 120i, 123d, 125i, 130i, 135i, m135i ) in the f20 / f21 body2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 release.

general view of the car
Here you will find the locations and photos of the fuse blocks. Separately, we note the element responsible for the cigarette lighter.

In the passenger compartment

Location of the fuse box in the passenger compartment
The mounting block is located on the passenger side under the trim of the right pillar.


Photo is an example.

Diagram
 
No. Decryption A
1 Spare
2 Spare
3 Spare
4 Power passenger seat 30
5 central locking 20
6 Driver's window lift 30
7 Spare  
8 Spare
9 Spare
10 Control Panel 5
Driver assistance system
Heating, ventilation and air conditioning (HVAC)
Light switch
11 Rear module 7.5
Left headlight
12 Diagnostic socket 7.5
13 telematics 5
14 Signal 15

In the trunk

The location of the fuse box in the luggage compartment of the car.
The mounting block is located on the right side under the floor, near the battery.


Photo - an example of a general view of the board.

Diagram
No. Decryption A
1 Camera control unit 5
2 Radio control unit 15
6 Audio system 5
9 telematics 5
10 Radio control unit 20
11 hi-fi amplifier 30
14 Trailer towing module 20
15 20
22 Signaling 5
Microwave sensor
23 remote control receiver 5
Vacuum leak detection
33 Audio system 10
34 DVD player 5
35 Main board 5
46 End connector 20
49 DC-DC Converter 30

In the engine compartment

The location of the main fuse box in the engine compartment of the car.
The main unit is located under a plastic cover on the right side (for right-hand drive models - on the left side). An additional relay block is placed near it, as well as a power board with fusible links.


General form.

Diagram (main fuse box)
 
No. Decryption A
1  
2  
3 Control unit, roof electronics 5
4  
5 Door locks 7.5
Passenger Rear View Mirror
6 The engine control unit 10
7 Electronic automatic transmission (EAT) control unit 10
8 touch box 5
Body control unit
9  
10 Seat adjustment 10
11 Front left lamp 5
Front right lamp
Rain sensor
Interior lighting
12 trip relay 5
Dynamic Stability Control (DSC)
13  
14  
15 transfer case 5
16 coolant pump 10
Air conditioning compressor
Additional water pump
17    
18  
19 Electrochromic rear view mirror 5
20  
21 Driver assistance system 5
22 Cruise control 5
23 Crankcase ventilation heater 5
Coolant shut-off valve
24  
25 Steering column switches 10
26  
27 instrument cluster 5
28  
29 instrument cluster 7.5
30 Glove compartment lighting 5
31 selector switch 7.5
32 Electronic Power Steering (EPS) 5
33 Air quality sensor 5
34
39
 
40 Fuse box 40
41 Dynamic Stability Control (DSC) 30
42
44
 
45 retractable roof 30
46 transfer case 30
47 Passenger seat heating 20
48 Heated driver's seat 20
49 BMW f20/f21 cigarette lighter fuse  20
50 Driver's seat control unit 30
Driver seat adjustment
51 Passenger seat adjustment 30
Passenger seat control unit
52 12V  
53  
Additional block next to the main
No. Decryption A
1 Engine management 20
2 20
3 10
4 15
5 20
6 40
7 coolant pump 50
R1 Main relay DDE
Power block near the main
No. Description A
FL1 Trip relay 50
80
125
FL2 Electronic Power Steering (EPS) 125
FL3 Additional heater 100
FL4 Heated fuel filter 40
FL5 Dynamic Stability Control (DSC) 40
FL6 blower motor 40

Place of installation of the additional unit in the engine compartment of the car
An additional block is located on the left side of the engine compartment.

Diagram
No. Purpose A
1 Rail pressure control valve 20
Fuel volume regulator
Camshaft position sensor
Boost pressure control solenoid
2 Oxygen sensor before catalytic converter 20
Oxygen sensors behind the catalytic converter
Mass flow meter
Oil level sensor
EGR cooler changeover valve
3 DDE control unit 30
R1 Main relay DDE
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