BMW 2-series F45, F46 (2015 – 2021) Fuse Box Location & Diagrams

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BMW 2-series F45, F46 (2015 – 2021) Fuse Box Location & Diagrams

Maintaining the electrical system in your BMW 2-series F45 or F46 (2015–2021) is simple with the right information. Access precise fuse box locations and clear, easy-to-read diagrams to troubleshoot issues efficiently. Keep your vehicle performing at its best by mastering these essential DIY maintenance and repair steps.

Fuse Box Location

Passenger Compartnent Fuse Box & BDC

The fuse/relay box is located behind a cover in the glove compartment on the front passenger side. Push the holder down, arrow 1, and remove the cover, arrow 2.

BDC

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

Fuse Box Diagrams

Passenger Compartment Fuse Box

№	Amps	Description
32	40A	Body Domain Controller
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)
45	40A	With electromechanical parking brake: Dynamic Stability Control (DSC)
46	5A	Natural vacuum leak detection
47	20A	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)
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
65	20A	Front cigarette lighter (12V socket), socket (under glove box)
66	20A	Electric fuel pump control electronics
67	5A	Outside mirror (front passenger)
68	5A	Touchbox, controller (CON), USB hub, USB charging connector No.3
69	5A	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
72	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
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	7.5A	Digital engine electronics.
84	5A	With manual transmission: clutch module
84	5A	With dual clutch transmission: dual clutch transmission control unit, dual clutch transmission relay.
85	5A	Electrochromic interior rear view mirror
90	5A	Automatic tailgate release
92	10A	Optional optional system
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
100	5A	PHEV: High voltage battery pack
101	5A	ID Reader, Car Sharing Module (CSM)
103	20A	Right headlight
104	20A	Left headlight
107	40A	Rear door function module
109	5A	Bistable relay
110	5A	Bistable relay
115	5A	PHEV: Convenient charging electronics
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
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, socket in trunk

Body Domain Controller

№	Amps	Description
1	30A	Electric windows (passenger)
2	30A	Electric windows (driver’s side – rear)
3	20A	Door lock (front passenger)
4	30A	Electric windows (driver)
5	30A	Heated rear window
6	30A	Power window (passenger side – rear)
7	30A	Door lock (driver)
9	5A	Lighting control panel, steering column switch combination, driver assistance system control panel with hazard warning light switch
10	7.5A	Diagnostic connector
11	7.5A	Heating/Air Conditioning System, Rear Door Function Module
12	5A	Analysis of the electronics for contactless opening of the rear door, telematic communication unit, electronic module of the external door handle (driver/passenger)
13	15A	Horn

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