BMW 4 (G22-G23-G26) | 2021-2026

Access BMW 4 Series fuse box diagrams for 2021–2025 models with fuse locations, panel layouts, and detailed electrical system information for the latest coupe, convertible, and Gran Coupe variants. This article covers the second-generation BMW 4 Series (Model Codes: G22, G23, G26), available from 2021, and includes fuse box diagrams for BMW 4 Series 2021, 2022, 2023, 2024 and 2025 (Models: 420i, 430i, 420d and 430d), along with details about the location of the fuse panels inside the vehicle and a clear explanation of the assignment of each fuse (fuse layout).

Passenger Compartment

Fuse Box Locations

Two fuse panels are positioned beneath the dashboard—the first on the passenger side and the second on the driver side. In addition, there are several fuses on the Body Domain Controller, which is located in the passenger-side pillar, behind the trim.

Fuse Box Diagram (Passenger’s Side)

Fuses

Assignment of the fuses in the passenger compartment (Passenger’s Side)

Fuse Data
Full access is available to registered users — log in or register.
Log in or register

No.AmpsDescription
2030APower windows with anti-trapping function
2130APower windows with anti-trapping function
2230APower windows with anti-trapping function
2330APower windows with anti-trapping function
2430ASeatbelts
2520AConvertible top module / Convertible relay
2640ABDC
2710ALevel control system (air suspension compressor relay)
2840AABS (Anti-lock Brake System), DSC (Dynamic Stability Control), Parking brake
2920ADynamic drive system
3015AInstrument cluster, Rear seat entertainment
325AParking brake, Alarm, Rear seat entertainment, Gear Indicator / DSC – Dynamic Stability Control / SMG – Sequential Manual Gearbox
345AInstrument cluster
365AConvertible top module / Convertible relay, Parking sensors, Light module
375ADoor module / Automatic soft-close
385AParking sensors
3960ABDC, Main headlights / Rain sensor / Light sensor / Electronic ride height control
4040AAir Conditioning, Electric fan
4620AFront & rear cigarette lighter, 12V socket / Glove box charging socket (12V)
4720ADME – Digital Motor Electronics / Integrated Voltage Module – IVM
4820AHeated seats
4910ASteering column function control module
5030AHeated seats
5130AGear indicator, EDC, Gear Automatic Transmission Control, AWD, DME – Digital Motor Electronics / Integrated Voltage Module – IVM, Hybrid system
5220AHeated seats
5330ATrailer module
5420AHeating / Independent aux. heater
5530ASeat adjustment
5630ASeat adjustment
5710ASteering column function control module
595AElectrochromic rear view mirror, Driving Assistance, Rear seat entertainment
604ADriving Assistance
615ALight module
625ALight module
635AConvertible top module / Convertible relay, DME – Digital Motor Electronics / Integrated Voltage Module – IVM
645ASeat adjustment
655ASeat adjustment
665ALight module
675ASeat adjustment, Light module, Electric mirrors
685ASeat adjustment, Light module, Electric mirrors
695AElectric fan
705AGear Indicator / DSC – Dynamic Stability Control / SMG – Sequential Manual Gearbox, Electric fan, DME – Digital Motor Electronics / Integrated Voltage Module – IVM
715ALight module
727.5ASeatbelts, DME – Digital Motor Electronics / Integrated Voltage Module – IVM, Hybrid system
735AInstrument cluster
7410AUSB
7510ASeatbelts
765ADriving Assistance

Fuse Box Diagram (Driver’s Side)

Fuses

Assignment of the fuses in the passenger compartment (Driver’s Side)

Fuse Data
Full access is available to registered users — log in or register.
Log in or register

No.AmpsDescription
1027.5ADigital Motor Electronics (DME), Integrated Voltage Module
1077.5AFuel pump relay, Fuel pump control, Hybrid System
11730AHybrid System
1185AHeating, Independent aux. heater, Hybrid System

Fuse Box Diagram (Body Domain Controller)

Fuses

Assignment of the fuses in the passenger compartment (Body Domain Controller)

Fuse Data
Full access is available to registered users — log in or register.
Log in or register

No.AmpsDescription
F15ASteering column transfer case, front center vent, audio control panel, lighting control unit, head unit
F27.5ADiagnostic socket, electronic ride height control vertical dynamic platform
F37.5AHeating/A/C system. Tailgate function module Rain/Light/Sun/Sun/Condensation: sensor
F45APassenger Side Outside Door Handle Control Module Rear Driver Side Outside Door Handle Control Module, Rear Passenger Side Outside Door Handle Control. Module Power Control Module Telematics Module
F520ALatching Relay. Unlocking Relay (Doors, Fuel Cap)
F620ADriver Door Lock Relay, Lock Relay (Driver Door Lock, Front Passenger Door Lock, Driver Rear Door Lock, Passenger Rear Door Lock, Fuel Filler Door Central, Lock Actuator)

Luggage Compartment

Fuse Box Location

It is positioned behind the trim panel on the right side.

Fuse Box Diagram

Fuses

Assignment of the fuses in the luggage compartment

Fuse Data
Full access is available to registered users — log in or register.
Log in or register

No.AmpsDescription
2037.5ADME – Digital Motor Electronics / Integrated Voltage Module – IVM.
2045AAir conditioner . Driving Assistance.
2065AFuel pump relay / Fuel pump control. DME – Digital Motor Electronics / Integrated Voltage Module – IVM.
2085ADriving Assistance.
2095ADriving Assistance. Gear Indicator / DSC – Dynamic Stability Control / SMG – Sequential Manual Gearbox. DME – Digital Motor Electronics / Integrated Voltage Module – IVM.
2105ASteering column function control module.
21215AHead-Up Display (HUD). Rear seat entertainment.
2145AHead-Up Display (HUD). Rear seat entertainment.
2155ARear seat entertainment, Speakers.
2165ARear seat entertainment.
21740ARear seat entertainment, Speakers.
21820ARear seat entertainment.
22030ARear seat entertainment.
22530ABoot lid (tailgate) lock / Soft-close automatic for tailgate.
22640ABoot lid (tailgate) lock / Soft-close automatic for tailgate.
22730ABoot lid (tailgate) lock / Soft-close automatic for tailgate. DME – Digital Motor Electronics / Integrated Voltage Module – IVM.
22940AAir suspension system. DME – Digital Motor Electronics / Integrated Voltage Module – IVM.
23030ASeatbelts.
23130ARear window defroster (defogger).
23240ARear window defroster (defogger).
24020ATrailer module.
2427.5ABattery.
2445AFuel pump relay / Fuel pump control. Door module / Automatic soft-close. Hybrid system.
2505AInterior lights.
25120AFront & rear cigarette lighter, 12V socket / Glove box charging socket (12V).
2525AHybrid system, Battery.
25320AHeated seats.
2545ABoot lid (tailgate) lock / Soft-close automatic for tailgate.
2555ADriving Assistance.
2567.5ASeatbelts.
2575ASeatbelts.
2585AConvertible top module / Convertible relay.
25915ADME – Digital Motor Electronics / Integrated Voltage Module – IVM.
2605AElectric fan. DME – Digital Motor Electronics / Integrated Voltage Module – IVM.
2625AAir conditioner.
26410ABoot lid (tailgate) lock / Soft-close automatic for tailgate.
26530AHeated seats. DME – Digital Motor Electronics / Integrated Voltage Module – IVM.
26640AConvertible top module / Convertible relay.
26730AHeated seats.
26840AConvertible top module / Convertible relay.
26930AHeated seats.
27130AHeated seats. Fuel pump relay / Fuel pump control.
27320AFront & rear cigarette lighter, 12V socket / Glove box charging socket (12V).
2785AHybrid system.
2805AHybrid system.
28120AHeated seats. Trailer module.
28420ATrailer module.
28920ATrailer module
29130AGear Indicator / DSC – Dynamic Stability Control / SMG – Sequential Manual Gearbox.
29630ATrailer module.

Scroll to Top