BMW E46 is the fourth generation of the 3rd series of passenger cars of the German automaker. A wide range of engines, five body types to choose from, plus sports modifications ensured the commercial success of this generation. In this material, we will analyze in detail the fuse diagrams of the 4th generation BMW 3 series (316Ci, 316i, 316ti, 318d, 318i, 320d, 320i, 323i, 325i, 325xi, 328i, 330d, 330i, 30xd, m3) in the e46 body: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 release.
Here you will find the locations and photos of the mounting blocks. Separately, we note the fuses responsible for the cigarette lighter and fuel pump.
In the engine compartment
Fuse box
The unit is located at the rear of the engine compartment, next to the windshield wipers.
Access example.
Diagram
No.
Decryption
A
F1
Ignition Coils - 320iсMS43/ 325i/330i
30
F2
ECM, Reverse Light(s) Relay, TCM - 316i/318i
30
F3
Air Mass Sensor, Crankshaft Position Sensor, Reverse Lamp(s) Relay, Coolant Thermostat, Camshaft Position Sensor 1, Camshaft Position Sensor 2 - 320i/325i/330i
20
F4
Fuel Pump Relay, Exhaust Air Pump Relay, A/C Compressor Magnetic Clutch Relay - 316i/318i/330i
30
F5
Ignition Coil Relay - 316i/318i/320i/ 323i/328i
30
1
Engine ECU
2
transmission control unit
3
Windshield wiper motor relay
4
engine management system - gasoline
5
engine management system - Diesel
6
Reverse lamp relay
Relays
Location of relay modules in the engine compartment.
No.
Purpose
R1
valve timing relay
R2
DDE main relay
R3
heating relay
R4
Hydraulic pump
R5
DME relay
R6
Wiper relay
R7
hydraulic pump relay
R8
reversing lamp
R9
Unloader relay, terminal 15
R10
fuel injectors
In the passenger compartment
Fuse box
Located on the passenger side behind the glove box. On its reverse side are some relays.
General view of the board.
Diagram
No.
Decryption
A
1-4
—
5
Horn relay
5
6
Vanity mirror lamps, sunroof control unit
5
7
Convertible roof switch, navigation control unit, audio output amplifier, multifunction display, telephone, audio system
5
8
Sequential manual transmission - M3
5
9
Steering Wheel Controls - Cruise Control, Stop Light Switch (Brake Pedal Position Sensor), Multifunction Control Module, Light Switch, Clutch Pedal Position Sensor
5
10
instrument cluster
5
11
SRS electronic control unit, power seats, seat belt warning system
5
12
Multifunction switch assembly
7.5
13
Safety arc drive control unit
7.5
14
Electronic immobilizer control unit, automatic transmission shift lock switch
5
15
Rain sensor, rear window wiper/washer
16-21
—
22
Sequential manual transmission - M3
5
23
Coolant Pump Motor - Diesel
5
24
Auto-dimming interior rear view mirror, parking system control unit
5
25
Power door mirror (passenger side), temperature switch (heated windshield washer nozzles)
Thanks so much for helping how to locate fuse boxs on BMW Engines