BMW 3 E46 (1998-2007) – Fuse Box Diagrams

Nr
Ampere [A]
Description 1 – Unused 2 – Unused 3 – Unused 4 – Unused 5 5 Horn relay 6 5 Make-up mirror, driver’s side;

Make-up mirror, passenger’s side;

Convertible soft top control unit.

7 5 Radio controller;

AM / FM antenna amplifier;

(with central remote control lock);

On-board monitor control unit;

Spatial sound switch;

Interface;

Navigation computer

GPS receiver;

Transmitter / charger electronics;

Push button, switchable to soft, closing roof;

Basic telephone interface;

Voice input;

Withdrawable box;

Telematics Control Unit (TCU-Everest);

Universal electronic charging module i

hands-free (ULF).

8 5 Sequential mechanical transmission 9 5 do 03.2001 (BMS46):

General module control unit;

Lighting control center control unit;

Cruise control module;

Brake light switch;

Spiral spring;
03.1998-09.1999 (MS42 the DDE3.0):

Spiral spring;

General module control unit;

Brake light switch;

Lighting control center control unit;

09.1999-03.2001 (MS42, MS43, MSS54, DDE3.0, DDE4.0):

General module control unit;

Brake light switch;

Lighting control center control unit;

Clutch switch;
from 03.2001:

Spiral spring;

General module control unit;

Brake light switch;

Lighting control center control unit;

Clutch switch module;

10 5 Instrument cluster control unit 11 5 Multiple Security System II:

LH side airbag sensor (satellite);

Side airbag sensor RH (satellite);

Multiple restraint system control unit;

Hall sensor, driver seat belt buckle;

Hall sensor, passenger seat belt buckle (USA);

Electronic seat control;

Multiple Attachment System III / IV:

Multiple restraint control unit;

Hall sensor;

Driver seat belt buckle;

Electronic seat control;

Hall sensor;

Passenger seat belt buckle (USA);

12 7.5 03.1998-09.1999:

Sun dimming switch;

from 09.1999:

Liaison Center.

13 7.5 from 03.2000:

Rollover sensor.

14 5 Electronic immobilizer control unit;

Shift lock.

15 5 Rain sensor;

Intermittent wiper;

Rear washer control (Touring).

16 – Unused 17 – Not used 18 – Unused 19 – Unused 20 – Unused 21 – Unused 22 5 S54:

Sequential mechanical transmission

M47/TU i M57/TU:

Digital electronics controller with diesel engine.

23 5 Auxiliary water pump 24 5 Electrochromic interior rear-view mirror;

Parking distance control unit (PDC).

25 5 Outside mirror, passenger’s side;

Thermal switch, heated spray nozzles.

26 5 Garage door opener 27 10 Light reversal relay;

Gear position switch (BMS46 with EGS 8.34);

Transmission control unit (BMS46 with GM5).

28 5 Heating and air conditioning control module;

Heater blower relay;

Relay, air conditioning compressor;

Dual-function air recirculation switch;

Temperature switch;

Rear window defogging relay (replaceable).

29 5 Digital engine electronics controller

(BMS46, MS42, MS43, MSS54);

Unloading relay terminal 15

(BMS46, ME9);

Digital diesel electronics control unit

(DDE3.0, DDE5);

Gearbox control unit

(ME9 with automatic transmission).

30 7.5 Oil level sensor;

Alternator;

Temperature switch (up to 09.1998; MS42);

Drive train control unit;

Data link connector;

Diesel:

Oil level sensor;

Data link connector;

Drive train control unit

(version 06.2000 r.; DDE3.0)

31 5 03.1998-09.1998:

Mirror adjustment switch;

09.1998-09.2001:

Tire pressure control system control unit;

from 09.2001:

Mirror adjustment switch;

Control unit, tire damage indicator (RPA);

(all-wheel drive with DDS);

Tire pressure control system

(without all-wheel drive with DDS).

32 5 without xenon lights:

Lighting control center control unit;

Xenon lights:

Uni lighting control center;

Left xenon headlight;

Xenon headlight, right;

Control unit for adaptive headlamps

(2003-09-03; Convertible and Coupe)

Xenon lights (as of 09.2003):

Uni lighting control center;

Control unit for adaptive headlights (convertible).

33 5 03.1998-09.1999:

ASC / DSC button;

ABS / DSC unit (with DSC);

Central switch;

Steering Angle Sensor (with DSC);

ABS / DSC unit;

up to 03.2001 (all-wheel drive):

Switching center;

Steering Angle Sensor, DSC;

ABS / DSC unit;

as of 03.2001 (all-wheel drive):

Switch center.

34 5 Instrument cluster control unit;

Fuel pump control (EKPS) (MS45 only).

35 50 All-wheel drive:

ABS / DSC unit;

Convertible:

Relay, convertible top drive.

36 50 Secondary air pump relay 37 50 03.1998-09.1998:

Heater blower relay;

09.1998-09.1999:

Blower switch (with IHS);

Blower output stage (with IHKA);

from 09.1999:

Electric fan.

38 10 Fog lamp relay 39 5 Motorola transmitter / charger electronics

(03.1998-09.1999):

Transmitter / receiver / charging electronics;

Nokia:

Transceiver / charging electronics (up to 09.1999);

Compensator;

Basic telephone interface (as of 09.1999);

Voice input (as of 09.1999);

Telephone supplies:

Transceiver electronics / charger;

Compensator;

JBIT: Basic Phone Interface;

10 Siemens:

Voice input;

Basic telephone interface;

Withdrawable box;

Motorola (flat on 06.2000):

Voice input;

Compensator;

Transmitter / charger electronics;

Interface;

Telematics control unit:

Voice input;

Telematics Control Unit (TCU-Everest);

Withdrawable box;

Antenna splitter (Coupe, replacement from 2004/09);

ULF:

Compensator;

Universal electronic charging module i

hands-free (ULF).

40 5 do 09.2001:

Gear indicator light

09.2001 r.:

Steering Angle Sensor, DSC;

Gear Indicator Light (US Only);

all-wheel drive:

Steering angle sensor;

DSC.

41 30 On-board monitor control unit;

Amplifier;

Radio controller;

CD changer;

Subwoofer box;

Navigation computer;

Video module control unit;

Central switch;

42 30 Central switch 43 5 Instrument cluster control unit;

Data link connector (US only).

44 20 Trailer socket 45 20 Touring:

Intermittent wiper / wash controller, rear

46 20 Convertible soft roof control unit;

Roof module controller;

Relay, switchable top 1.

47 15 up to 03.1999:

Cigarette lighter, front.

20 from 03.1999:

Cigarette lighter, front;

Left-hand side for small items (except Touring);

Storage compartment on the right side (except Touring);

12 V socket.

48 30 General module control unit 49 5 General module control unit;

AM / FM antenna amplifier;

(with central remote control lock).

50 25 do 09.1999 r.:

Ignition switch

40 from 09.1999:

Blower switch (with heating control);

Blower output stage (without heater control).

51 30 Headlight washer module 52 30 General module control unit 53 30 ABS / ASC unit 54 15 Fuel pump relay 1 25 DDE4.0:

Fuel pump relay 1

20 DDE5.0:

Fuel pump relay 1;

MS45:

Fuel pump control (EKPS).

55 15 Horn relay 56 30 ABS / ASC unit 57 5 Folding exterior mirror control unit;

Mirror memory control unit, driver’s side

(do 03.2003);

Mirror memory control unit,

front passenger’s side

(do 03.2003);

Driver’s outside side mirror with memory

(as of 03.2003);

Passenger’s exterior side mirror with memory

(standing at 03.2003 r.);

Mirror memory control unit, driver’s side

(stan na 03.2003; Coupe, Convertible);

Mirror memory control unit, front passenger’s side

(stan na 03.2003 r.; Coupe, Convertible);

Electric window motor, driver’s door with anti-trap function

(stan na 03.2003; Compact, Convertible z SPMFT);

Electric window motor, passenger door with anti-trap function

(stan na 03.2003; Compact, Convertible z SPMFT).

58 7.5 Touring:

Relay – rear window drive;

od 03.2003 r.; (Coupe, Convertible):

Adaptive headlight control unit.

59 30 Wiper relay 60 25 General module control unit 61 30 ABS / DSC unit 62 7.5 Water valves 63 7.5 Relay – air conditioning compressor 64 20 Independent parking heater control unit 5 DDE5:

Gearbox control unit

65 30 03.1998-09.1999:

Driver seat memory control unit;

Driver lumbar support switch;

from 09.1999:

Driver seat adjustment switch;

Driver’s lumbar support switch (convertible).

66 5 MS43 z SMG:

Ignition switch

67 5 Electronic immobilizer control unit;

Electrochromic interior rear-view mirror;

Control unit, internal protection I;

Control unit, interior protection II (convertible);

Tilt monitoring;

Anti-theft alarm horn.

68 30 Rear window defroster relay 69 5 Tire pressure control system control unit 70 30 z SMF (Saloon, Touring):

Seat adjustment switch, front passenger seat;

bez SMF (Saloon, Touring):

Passenger lumbar support switch;

Compact, Coupe:

Control unit, front passenger seat memory;

Convertible:

Control unit, front passenger seat memory;

Passenger lumbar support switch.

71 30 4-door:

General module control module

10 2-door:

General module control module

72 – Unused 73 – Unused