BMW Z4 G29 (2018 – 2024) fuse and relay

BMW Z4 G29 is a two-door roadster produced by German automobile manufactured BMW in 2018, 2019, 2020, 2021, 2022, 2023, 2024. In our material you will find a description of the fuses and relays BMW Z4 G29 with fuse box diagrams, their locations and photo examples of execution. Select the fuse responsible for the cigarette lighter.


The purpose of the elements may differ from that shown and depends on the year of manufacture, the level of electrical equipment and the region where your car was delivered.

Passenger compartment

Passenger side fuse box

On the right side, under the glove box, is the fuse and relay box.

location 1R

Photo – example



Diagram BMW G05


2030A Power window actuator, driver’s door with control electronics
2130A Front passenger window with control electronics
2230A Driver’s side rear power window with control electronics
2330A Passenger side rear power window with control electronics
2430A Left reversible electromotive automatic reel (seat belt)
2520A Roof function center
2640A Body domain controller
2840A Dynamic Stability Control (DSC)
2920A Electronic transmission control, transfer case
3015А Media system
325A Center console control panel, parking
335A Battery
345A Instrument cluster control unit
365A Roof function center (map lamp, interior lighting, ambient lighting)
375A Central lock
385A Driver’s outer door handle electronic module
3960A Body domain controller
4040A Fan motor with output stage
4620A Cigarette lighter, thermoelectric cup holder
4720A Engine management
4820A Heated seats
4910A Electric steering column adjustment
5030А Heated seats
5130A Engine management
5220A Seat heating electronics
5330A Trailer module
5420A Autonomous additional heater
5530A Seat module (with seat module), seat adjustment switch block (without seat module)
5630A Seat module (with seat module), seat adjustment switch block (without seat module)
5710A Electric steering column adjustment
595A Electrochromic interior rear view mirror
605A Driver assitanse
615A Center rear door trim panel illumination (driver’s side), rear door pocket illumination (driver’s side), rear door interior handle illumination (driver’s side), rear door trim panel illumination driver’s side (top), rear left speaker illumination , additional water pump ( Diesel)
625A Auxiliary battery, instrument panel speaker light, air freshener, CD drive, ionizer, starter-alternator 48V (B57, B58)
635A Glove box light switch, driver camera system, 48V power control unit (PCU48), 48V battery
645A Driver’s seat back width adjustment valve block, driver’s lumbar support valve block, seat adjustment switch block (driver’s side), footwell taillight (driver’s side), backlight driver’s seat back panel, USB charging port, front left seat inflation module
655A Front passenger’s backrest width adjustment valve block, Front passenger’s lumbar support valve block, Seat adjustment switch block (front passenger’s side), Rear footwell lighting (front passenger’s side), Front passenger’s backrest rear panel lighting, USB connector for charging No. 2, front Right seat inflation module
665A Upper center instrument panel light, upper front passenger side instrument panel light, lower center instrument panel light, lower driver/passenger side instrument panel light, front left/right footwell lighting
675A Driver’s door switch box, Driver’s door seat switch box, Driver’s door interior handle lighting, Driver’s door trim panel lighting (center), Driver’s door pocket lighting, Driver’s door trim panel lighting (top), Front left midrange speaker lighting, Front Left Tweeter Illumination
685A Passenger’s exterior mirror, Passenger’s door switch box, Passenger’s interior door handle illumination, Front passenger’s door trim panel illumination (center), Passenger’s door pocket illumination, Front passenger’s door trim panel illumination (top), Front right midrange speaker illumination, Illuminated front right tweeter
695A Radiator shutters (upper, lower)
705A Rear switchboard, electric fan shutdown relay, electric fan
715A Surround Camera (with Surround Camera), Rear View Camera
727,5A Engine management
735A Instrument cluster control unit
7410A USB socket
7510A Crash safety module
765A Driver assitanse

The cigarette lighter is powered by fuse number 46 at 20A.

Fuse box

The fuse compartment is installed in the BDC (Body Domain Controller) electronic control unit, which is mounted on the right pillar, under the passenger compartment trim on the right side of the passenger.


Photo 2


Diagram 3


  1. 5A Steering column switch box, front center air vent, audio control panel, lighting control unit, head unit
  2. 7.5A Diagnostic socket, electronic ride height control, vertical dynamics platform
  3. 7.5A Heating/air conditioning system, tailgate function module, rain/light/ sun/condensation sensor
  4. 5A Passenger Side Outer Door Handle Electronic Module, Driver Side Rear Door Outer Handle Electronic Module, Rear Passenger Side Outer Door Handle Electronic Module, Power Control Unit, Telematics Unit
  5. 20A Lock Relay, Unlock Relay (Doors, Fuel Cap)
  6. 20A Driver’s Door Lock Relay, Lockout Relay (Driver’s Door Lock, Front Passenger’s Door Lock, Driver’s Side Rear Door Lock, Rear Passenger’s Side Door Lock, Fuel Door Central Lock Actuator)

Driver side fuse box

Under the instrument panel on the driver’s side is another box with fuses and relays.

location 2

The fuse box itself will look something like this.

Photo 1


Diagram 2


101 –
1027.5A Electronics, engine management
103 –
104 –
10710A Hybrid: Pressurized fuel tank control module
11730A Hybrid: Automatic transmission, transfer case
1185A Auxiliary electric heater, front midrange speaker lighting
119 –
120 –
121 –
122 –
123 –
124 –
125 –
126 –
127 –
128 –
129 –
130 –
131 –
  • R1-
  • R2 – Terminal 30B relay

Luggage compartment

Main fuse box

In the luggage compartment, on the right side under the protective cover is the main fuse and relay box.


Photo 3


Diagram 4

Check the appointment with your scheme, on the booklet.


An example of a diagram with a designation




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