BMW 3-Series (E46; 1998-2006) fuses and relays

Fuse box diagram (location and assignment of electrical fuses and relays) for BMW 3-Series (E46; 1998, 1999. 2000, 2001, 2002, 2003, 2004, 2005, 2006).

Fuse Box Diagram BMW 3-Series (E46; 1998-2006)

Fuse box in the glove compartment

Open the glove compartment, turn the two clamps, and pull the panel down

Fuse box diagram

Assignment of the fuses in the glove compartment

AProtected components
1-Not used
2-Not used
3-Not used
4-Not used
55Horn relay
65Make-up mirror light, driver’s side
Make-up mirror light, passenger’s side
Convertible soft top control unit
75Radio control unit
Aerial amplifier AM/FM (with remote control central locking)
On-board monitor control unit
Spatial sound switch
Interface
Navigation computer
GPS receiver
Transceiver/charging electronics
Pushbutton, convertible soft top closed
Basic interface telephone
Voice input
Diversity
Eject box
Telematics control unit (TCU-Everest)
Universal electronic charging and hands-free module (ULF)
85Sequential mechanical gear
95up to 03.2001 (BMS46):
General module control unit
Light switching centre control unit
Cruise control module
Brake light switch
Volute spring
03.1998-09.1999 (MS42 or DDE3.0):
Volute spring
General module control unit
Brake light switch
Light switching centre control unit
09.1999-03.2001 (MS42, MS43, MSS54, DDE3.0, DDE4.0):
Volute spring
General module control unit
Brake light switch
Light switching centre control unit
Clutch switch
as of 03.2001:
Volute spring
General module control unit
Brake light switch
Light switching centre control unit
Clutch switch module
105Instrument cluster control unit
115Multiple Restraint System II:
Sensor for LH side airbag (satellite)
Sensor for RH side airbag (satellite)
Multiple restraint system control unit
Hall sensor, driver’s seat belt buckle
Hall sensor, passenger’s seat belt buckle (USA)
Electronic seat control
Multiple Restraint System III/IV:
Multiple restraint system control unit
Hall sensor, driver’s seat belt buckle
Electronic seat control
Hall sensor, passenger’s seat belt buckle (USA)
127.503.1998-09.1999: Sun shade switch
as of 09.1999: Switch center
137.5as of 03.2000: Rollover sensor
145Electronic immobiliser control unit
Gearshift lock
155Rain sensor
Intermittent wipe/wash control unit, rear (Touring)
16-Not used
17-Not used
18-Not used
19-Not used
20-Not used
21-Not used
225S54: Sequential mechanical gear box
M47/TU and M57/TU: Digital diesel electronics control unit
235Auxiliary water pump
245Electrochromic interior rear-view mirror
Park distance control unit (PDC)
255Outside mirror, passenger’s side
Thermal switch, heated spray nozzles
265Garage door opener
2710Reversing light relay
Gear position switch (BMS46 with EGS 8.34)
Transmission control unit (BMS46 with GM5)
285Heating and A/C control module
Heating blower relay
Relay, A/C compressor
Dual-function switch recirculated air/rear window defogger
Temperature switch
Rear window defogger relay (convertible)
295Digital motor electronics control unit (BMS46, MS42, MS43, MSS54)
Unloader relay terminal 15 (BMS46, ME9)
Digital diesel electronics control unit (DDE3.0, DDE5)
Transmission control unit (ME9 with Automatic transmission)
307.5Oil level sensor
Alternator
Temperature switch (up to 09.1998; MS42)
Transmission control unit
Data link connector
Diesel:
Oil level sensor
Data link connector
Transmission control unit (as of 06.2000; DDE3.0)
31503.1998-09.1998: Mirror adjustment switch
09.1998-09.2001: Tyre pressure control system control unit
as of 09.2001:
Mirror adjustment switch
Control unit, tyre defect indicator (RPA) (all-wheel drive with DDS)
Tyre pressure control system control unit (without all-wheel drive with DDS)
325without Xenon lights: Light switching centre control unit
Xenon lights:
Light switching centre control uni
Xenon headlight, left
Xenon headlight, right
Control unit for adaptive headlight (03.2003-09.2003; Convertible and Coupe)
Xenon lights (as of 09.2003):
Light switching centre control uni
Control unit for adaptive headlight (Convertible)
33503.1998-09.1999:
ASC/DSC button
ABS/DSC unit (with DSC)
without all-wheel:
Switch center
Steering angle sensor (with DSC)
ABS/DSC unit
up to 03.2001 (all-wheel drive):
Switch center
Steering angle sensor, DSC
ABS/DSC unit
as of 03.2001 (all-wheel drive): Switch center
345Instrument cluster control unit
Fuel pump control (EKPS) (only MS45)
3550all-wheel drive: ABS/DSC unit
Convertible: Relay, convertible top drive
3650Secondary air pump relay
375003.1998-09.1998: Heating blower relay
09.1998-09.1999:
Blower switch (with IHS)
Blower output stage (with IHKA)
as of 09.1999: Electric fan
3810Fog light relay
395Transceiver/charging electronics
Motorola (03.1998-09.1999): Transceiver/charging electronics
Nokia:
Transceiver/charging electronics (up to 09.1999)
Compensator
Basic interface telephone (as of 09.1999)
Voice input (as of 09.1999)
Telephone provision:
Transceiver/charging electronics
Compensator
JBIT: Basic interface telephone
3910Siemens:
Voice input
Basic interface telephone
Eject box
Motorola (as of 06.2000):
Voice input
Compensator
Transceiver/charging electronics
Interface
Telematics Control Unit:
Voice input
Telematics control unit (TCU-Everest)
Eject box
Aerial splitter (Coupe, Convertible as from 2004_09)
ULF:
Compensator
Universal electronic charging and hands-free module (ULF)
405without all-wheel (up to 09.2001): Gear indicator light
without all-wheel (as of 09.2001):
Steering angle sensor, DSC
Gear indicator light (only USA)
all-wheel drive: Steering angle sensor, DSC
4130On-board monitor control unit
Amplifier
Radio control unit
CD changer
Subwoofer box
Navigation computer
Video module control unit
Switch center
4230Switch center
435Instrument cluster control unit
Data link connector (only USA)
4420Trailer socket
4520Touring: Intermittent wipe/wash control unit, rear
4620Convertible soft top control unit
Sunroof module control unit
Relay, convertible top 1
4715up to 03.1999: Cigarette lighter, front
4720as of 03.1999:
Cigarette lighter, front
Oddments compartment, left (except Touring)
Oddments compartment, right (except Touring)
12 V socket
4830General module control unit
495General module control unit
Aerial amplifier AM/FM (with remote control central locking)
5025up to 09.1999: Ignition switch
5040as of 09.1999:
Blower switch (with Heater control)
Blower output stage (without Heater control)
5130Headlight washer module
5230General module control unit
5330ABS/ASC unit
5415Fuel pump relay 1
5425DDE4.0: Fuel pump relay 1
5420DDE5.0: Fuel pump relay 1
MS45: Fuel pump control (EKPS)
5515Horn relay
5630ABS/ASC unit
575Outside mirror fold-in control unit
Mirror memory control unit, driver’s side (up to 03.2003)
Mirror memory control unit, front passenger’s side (up to 03.2003)
Driver’s side outside mirror with memory (as of 03.2003)
Passenger’s side out-side mirror with memory (as of 03.2003)
Mirror memory control unit, driver’s side (as of 03.2003; Coupe, Convertible)
Mirror memory control unit, front passenger’s side (as of 03.2003; Coupe, Convertible)
Power window motor, driver’s door with anti-trap protection function (as of 03.2003; Compact, Convertible with SPMFT)
Power window motor, passenger’s door with anti-trap protection function (as of 03.2003; Compact, Convertible with SPMFT)
587.5Touring: Relay, rear window drive
as of 03.2003; (Coupe, Convertible): Control unit for adaptive headlight
5930Wiper relay
6025General module control unit
6130ABS/DSC unit
627.5Water valves
637.5Relay, A/C compressor
6420Independent park heating control unit
645DDE5: Transmission control unit
653003.1998-09.1999:
Driver’s seat memory control unit
Driver’s lumbar support switch
as of 09.1999:
Driver’s seat adjustment switch
Driver’s lumbar support switch (convertible)
665MS43 with SMG: Ignition switch
675Electronic immobiliser control unit
Electrochromic interior rear-view mirror
Control unit, interior protection I
Control unit, interior protection II (convertible)
Tilt monitoring
Horn for antitheft alarm system
6830Rear window defogger relay
695Tyre pressure control system control unit
7030with SMF (Saloon, Touring): Seat adjustment switch, front passenger’s seat
without SMF (Saloon, Touring): Passenger’s lumbar support switch
Compact, Coupe: Control unit, front passenger seat memory
Convertible:
Control unit, front passenger seat memory
Passenger’s lumbar support switch
71304-door: General module control unit
71102-door: General module control unit
72-Not used
73-Not used

Passenger Compartment Fuse Box (Behind Glovebox)

Passenger Compartment Fuse Box (Behind Glovebox)
AProtected components
1015003.1998-09.1998: Electric fan
10280MSS54:
Fuse carrier, engine electronics (fuse No.5 (30A))
DME relay
Digital motor electronics control unit
SMG control unit
MS43:
Fuse carrier, engine electronics (fuse No.5 (30A))
DME relay
Digital motor electronics control unit
Transmission control unit
BMS46, MS42: B+ terminal
ME9: B+ potential distributor
103-Not used
104100Preheater relay
10550Ignition switch
Diagnosis plug
10650Ignition switch
Light switching centre control unit
10750Trailer module
Light switching centre control unit

Rear Fuse box

Rear Fuse box
AProtected components
108200Fuse: 35-71, 101-107
203100DDE relay
Fuse carrier, engine electronics (fuse No.4 (30A) - DDE4.0 or EGS Transmission control GM5)

Relay holders (Behind Glovebox)

Relay holders (Behind Glovebox)
Component
K2Horn relay
K403-1998-09.1998: Heating blower relay IHS
K19as of 09.1998: Relay, A/C compressor
K47Fog light relay
K96Fuel pump relay 1

K4 – Heating blower relay IHS (rear of center console; as of 09.1998)

K6 – Headlight washer module

Behind glovebox

K19 – Relay, A/C compressor (03.1998-09.1998)

Behind glovebox

K13 – Rear window defogger relay

Saloon, Coupe (Right-hand side of luggage compartment)

Touring (Right-hand side of luggage compartment)

Convertible (Side section right (trim panel removed) (K13, K99 – Rear defogger relay))

Compact (In the electronics box under control units)

K90 – Relay, rear window drive (Touring)

Behind right-hand footwell trim

K96 – Fuel pump relay 1 (USA, MSS54)

Side section right (trim panel removed)

Electronics box (in the engine compartment)

K11 – Wiper relay

Rear LH side of engine compartment in electronics box

K2003 – DDE relay

DDE3.0 (Diesel Electronics)

DDE4.0 (Diesel Electronics)

M47/TU, M57/TU
A8682 – Fuse carrier, engine electronics

K2283 – Preheater relay

DDE3.0 (Diesel Electronics)

DDE4.0 (Diesel Electronics)

K5360 – Relay, hydraulic pump (SMG)

K6300 – DME Relay

BMS46, ME9, MS42. MS43, MS45, MSS54

N46

K6304 – Secondary air pump relay

K6316 – Relay, variable valve timing gear

ME9 (In water box right (battery removed))

N46

K6318 – Hydraulic pump relay, SMG

K6325 – Reversing light relay

MS42, BMS46, MS43, ME9, MS45

N46

M47/TU, M57/TU

K6326 – Unloader relay terminal 15

MS42, BMS46, ME9

N46

K6327 – Relay, fuel injectors

MS43, MSS54, MS45

K18363 – Relay, convertible top 1

Behind glovebox

BMW 3-Series (E46; 1998-2006) fuses and relays November 13, 2018 admin