BMW 2 Tourer F45 F46 was produced in 2015, 2016, 2017, 2018, 2019, 2020, 2021, where Active Tourer is F45 and Gran Tourer is F46. In our material we will present a description of the fuses and relays of the BMW 2 Tourer f45 f46 with fuse box diagrams, their locations and photographs. Note the fuse responsible for the cigarette lighter.
The purpose of fuses and relays may differ from those presented and depend on the year of manufacture and the level of electrical equipment of your car.
Contents
Passenger compartment
Fuse and relay box
Inside the car, the main box with fuses and relays is located behind the glove compartment, on the passenger side.
Diagram
Assignment
30 | – |
31 | – |
32 | 40A Body Domain Controller |
33 | – |
34 | 40A Fan output stage |
35 | 50A Body Domain Controller |
37 | 5A Parking brake button |
38 | 5A Siren with tilt sensor |
39 | 5A Roof function center |
40 | 5A Dynamic Stability Control (DSC) |
41 | 5A Instrument cluster control unit |
42 | 5A Remote control receiver |
43 | 30A Roof Function Center |
44 | 20A Right headlight |
45 | 30A without electromechanical parking brake: Dynamic Stability Control (DSC) |
40A with electromechanical parking brake: Dynamic Stability Control (DSC) | |
46 | 5A Natural vacuum leak detection |
47 | 30A 2015–2016: Longitudinal torque distribution. |
20A 2016-2022: Left headlight | |
48 | 30A Selective Catalytic Regeneration (SCR) Control Unit |
49 | 5A Electric exhaust flap, electric auxiliary heater control electronics No. 2 |
50 | 5A Radiator shutter actuator, catalytic converter sensor (except PHEV) |
51 | 5A Fan Base |
52 | 5A Electrochromic interior rear view mirror |
53 | 5A Automatic air recirculation control (AUC) sensor |
54 | 5A Electromechanical power steering |
55 | 4A Reversing camera, parking assistant |
56 | 5A Longitudinal Torque Distribution, Vehicle Sound Generator (PHEV), Vehicle Sound Generator No.2 (PHEV) |
57 | – |
58 | 10A Steering column switch |
59 | 5A Camera-based driver assistance system |
60 | 5A Additional optional system |
61 | 20A Head unit (radio or navigation system) |
62 | 5A Front interior lighting, rain light, solar condensation sensor, vanity mirror lighting, third row interior lighting, trim strip lighting, interior trim lighting, door trim lighting |
63 | 20A Trailer socket |
64 | – |
65 | 20A Front cigarette lighter (12V socket), socket (under glove box) |
66 | 20A Electric fuel pump control electronics |
67 | 7.5A 2015–2017: Outside mirror (front passenger) |
5A 2017–2022: Outside mirror (front passenger) | |
68 | 5A Touchbox, controller (CON), USB hub, USB charging connector No. 3 |
69 | 7.5A 2015-2017: Outside mirror (switch block – driver’s door) |
5A 2017-2022: Outside mirror (switch block – driver’s door) | |
70 | 5A Luggage compartment light, glove box light, rear lid button on the inside of the rear lid |
71 | 7.5A Instrument cluster control unit |
72 | 5A Electric fan cut-out relay |
5A Fan >400W: Built-in power module | |
73 | 10A Driver’s Seat Back Adjustment (Valve Block), Driver’s Lumbar Support Valve Block, Driver’s Seat Back Width Adjustment Switch |
74 | 7.5A Gasoline (TU): Turbocharger coolant pump |
75 | 10A Front passenger seat backrest adjustment (valve block), passenger lumbar support valve block, passenger seat backrest width adjustment switch |
76 | 5A 2015–2017: Front interior lighting |
77 | 10A Nitrogen Oxide Sensor Downstream Selective Catalytic Reduction (SCR) Converter |
78 | 15A Selective Catalytic Regeneration (SCR) Control Unit |
79 | 5A Base, Wireless Charging Accessory Tray, Wireless Charging Accessory Tray Antenna Booster |
80 | 5A Front interior lighting |
81 | 15A Electronic transmission control |
82 | 5A Selector level (gear switch) |
83 | 5A 2015–2016: Digital engine electronics. |
7.5A 2016–2022: Digital engine electronics. | |
84 | 5A with manual transmission: clutch module |
5A with dual clutch transmission: dual clutch transmission control unit, dual clutch transmission relay. | |
85 | 5A Electrochromic interior rear view mirror |
86 | – |
87 | – |
88 | – |
89 | – |
90 | 5A Automatic tailgate release |
91 | – |
92 | 10A Optional optional system |
93 | – |
94 | 20A Remote control electronics for seat back release |
95 | 30A Seat adjustment switch block, front passenger side |
96 | 10A Trunk/tailgate lock |
97 | 5A Auxiliary control unit |
98 | – |
99 | – |
100 | 5A PHEV: high voltage battery pack |
101 | 5A ID Reader, Car Sharing Module (CSM) |
102 | – |
103 | 20A Right headlight |
104 | 20A Left headlight |
105 | – |
106 | – |
107 | 40A 2015-2017: Automatic tailgate release. |
40A 2017-2022: Rear door function module | |
108 | 30A 2020-2022: Rear door function module |
109 | 5A Bistable relay |
110 | 5A Bistable relay |
111 | Bistable relay |
112 | – |
113 | 10A PHEV (2015-2016): Pressurized Fuel Tank Control Module |
114 | – |
115 | 5A PHEV: convenient charging electronics |
116 | – |
117 | – |
118 | – |
119 | 20A trailer module |
120 | 20A trailer module |
121 | 7.5A USB charging port #4 |
122 | 5A PHEV: gas generator with safety battery terminal |
123 | 5A PHEV: electric air conditioning compressor, additional electric heater |
124 | 10A PHEV: Electrical Machine Electronics |
125 | – |
126 | – |
127 | 30A Electronic driver’s seat heater (basic version), driver’s seat module (High version) |
128 | 30A Electronically heated front passenger seat |
129 | 30A Hi-Fi amplifier |
130 | 10A Petrol: Coolant pump 2 in low temperature coolant circuit |
131 | 30A Longitudinal torque distribution, transmission oil pump (PHEV) |
132 | 20A Socket under armrest, rear socket (2015-2018), socket in trunk |
Fuse number 65 at 20A is responsible for the operation of the cigarette lighter.
Individual relay elements can be installed outside this box.
Fuse box
Another fuse box is located on the rack, under the instrument panel.
Diagram
Designation
- 30A Electric windows (passenger)
- 30A Electric windows (driver’s side – rear)
- 20A Door lock (front passenger)
- 30A Electric windows (driver)
- 30A Heated rear window
- 30A Power window (passenger side – rear)
- 30A Door lock (driver)
- –
- 5A Lighting control panel, steering column switch combination, driver assistance system control panel with hazard warning light switch
- 7.5A Diagnostic connector
- 7.5A Diagnostic Connector (2014-2015), Heating/Air Conditioning System, Rear Door Function Module (2017-2021)
- 5A Analysis of the electronics for contactless opening of the rear door, telematic communication unit, electronic module of the external door handle (driver/passenger)
- 15A Horn
- –
Check the purpose of the elements with your information located on the brochure in the fuse and relay box or other technical documentation.
Table with purpose from fusecard
Engine compartment
Power fuse box
Next to the battery is a high power fuse box (2), which is attached to its positive terminal.
Diagram
Allocation
400 | 250A Front Junction Box |
401 | 60A Fan → 400W: Electrical fan cut-out relay |
80A 600W Fan: Electric fan cut-off relay | |
125A 800W Fan: Electric fan cut-off relay | |
402 | 125A Electromechanical power steering |
403 | 50A →06.18: Dynamic Stability Control (DSC) |
60A 18.07→: Dynamic Stability Control (DSC) | |
404 | 125A Body Domain Controller |
405 | 100A Front Electric Auxiliary Heater |
406 | 40A Diesel: fuel filter heating |
40A Steptronic Dual Clutch: Dual Clutch Transmission Relay | |
60A Control electronics for electric auxiliary heater in the engine compartment |
Built-in power module
Additional power modules contain fuses and relays. If one of the fuses or one of the relays is faulty, the entire integrated power module must be replaced.
If you have anything to add – write in the comments
Hi. I have grand tourer bmw 2018 and problem starting. Doesn’t crank. If I keep pushing start button 2 to 10 time then start. What I think is a relay Doesn’t pass electric to start. Please guide me. Thank you