BMW X5 (E53) fuse box and relay Diagrams (1999-2006)

The BMW X5 (E53) is a mid-size luxury SUV produced by the German automaker BMW between 1999 and 2006. It is BMW’s first SUV and is designed to combine the agility and performance of a sports car with the comfort and practicality of an SUV. The X5 is also known for its impressive array of electronic and electrical systems, which included a complex fuse box and relay system.

Body

Fuse Box and Relay Diagram

The BMW X5 (E53) features a fuse box and relay diagram located in the glove box. The fuse box contains a number of fuses, each of which is designed to protect a particular electrical system or component. The diagram is also used to identify the location of each fuse, making it easy to replace a blown fuse. Similarly, the relay diagram is used to identify the location of each relay and their purpose.

Electrical System

The BMW X5 (E53) boasts an extensive range of electrical systems, including a sophisticated audio and navigation system, climate control, and advanced driver-assistance systems. These electrical systems are controlled by a variety of modules located throughout the vehicle, which are in turn connected to the fuse box and relay system. These modules use signals from sensors located throughout the vehicle to control various systems and ensure they operate efficiently.

Battery and Alternator

The BMW X5 (E53) has a complex electrical system that relies heavily on a healthy battery and alternator. The battery supplies power to the various systems when the engine is off, while the alternator charges the battery when the engine is running. A failing battery or alternator can cause a range of electrical issues, including dim lights, radio cutting in and out, and engine stalling. It is important to have the battery and alternator checked regularly to ensure they are functioning correctly.

MUST READ: DYI – How to Check Car Fuses?

(1999-2006) BMW X5 (E53) fuse box and relay with Diagram

WARNING

• Never replace a fuse with one that has a higher amperage rating.
• A fuse with a too-high amperage could damage the electrical part and cause a fire.
• On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
• If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.

BMW X5 (E53) 1999-2006 fuse assignment

Passenger Compartment Fuse Box

No.	Amps	Assignment/Designation
1	5A	Instrument Cluster, Integrated Electronic Control Unit (IKE)
2	5A	Light Module
3	5A	→02.2001: Output Stage – Rear Compartment Blower
	7.5A	03.2001→: Ignition Switch
4	5A	Unloader Relay Terminal 15, Entry Light Module (→03.2003), Rear Seat Heaters
5	7.5A	→08.2003 (ME72KWP0, ME72KWP1): Oil Level Sensor, E-Box Fan, Alternator, Diagnostic Connector
	7.5A	MS430DS0: Oil Level Sensor, Alternator, Diagnostic Connector, Temperature Switch (Gearbox Oil Temperature Sensor), AGS Transmission Control Unit, Garage Door Opener (09.2003→)
	7.5A	09.2003→: Garage Door Opener, Unloader Relay Ignition Coils, Transmission Control
	7.5A	D50, D60: Oil Level Sensor, Garage Door Opener, Transmission Control
	7.5A	DDE40: Diagnostic Connector OBDII, Oil Level Sensor, Alternator, Temperature Switch (Gearbox Oil Temperature Sensor), AGS Transmission Control Unit
6	5A	Tyre Pressure Monitoring (RDC) (→02.2004), Electrochromic Interior Rear View Mirror, Parking Aid Control Unit (PDC), Adaptive Headlight (03.2004→)
7	5A	Unloader Relay Terminal R, Audio System, Navigation, On-Board Monitor, Telephone
8	5A	Gear Indicator Light (→03.2001), Airbag Indicator (09.2005→)
9	5A	Light Module, Brake Light Switch, Coil Spring (Steering Wheel)
10	15A	Horn Relay
11	5A	Electronic Immobilizer Control Unit (EWS)
12	5A	Steering Angle Sensor, Gear Indicator Light
13	5A	Antitheft Horn (DWA) (→08.2005), Electrochromic Interior Rear View Mirror, Tilt Sensor (→08.2005), Interior Protection Control Unit, Siren and Tilt Alarm Sensor (09.2005→)
14	5A	General Module, Diagnostic Connector OBDII
15	5A	→02.2004: Tyre Pressure Monitoring (RDC)
	7.5A	03.2004→: Adaptive Headlight
16	5A	Ignition Switch, Digital Motor Electronics (DME) Module, Integrated Electronic Control Unit (IKE)
17	5A	Entry Light Module
18	–	–
19	–	–
20	30A	Driver’s Door Module
21	30A	Seat Adjustment Switch (Front Passenger’s Seat), Lumbar Support Switch (Front Passenger’s Seat)
22	–	–
23	5A	Integrated Supply Module (IVM), Digital Motor Electronics (DME) Module
24	30A	Passenger’s Door Module
25	25A	Front Cigar Lighter, Rear Cigar Lighter, Radar Warner Socket
26	30A	Closed-Circuit Current Cutout Relay
27	20A	General Module
28	30A	Headlight Washer Module
29	10A	Coil Spring (Steering Wheel)
30	–	–
31	5A	Digital Motor Electronics (DME) Module / Digital Diesel Electronics Control Unit, Diagnostic Connector OBDII (09.2003→)
32	5A	Switching Centre, Closed-Circuit Current Cutout Relay
33	5A	Garage Door Opener (→08.2003), Cigar Lighter Relay
34	7.5A	Heating and A/C Control Module, Rear Defogger Relay
35	–	–
36	5A	Charge Socket
37	5A	Switching Centre
38	–	–
39	5A	Electronic Immobilizer Control Unit (EWS), Clutch Switch (Manual Transmission) (→08.2001), Clutch Switch Module (Manual Transmission) (09.2001→)
40	30A	Wiper Relay
41	5A	General Module, Rear Intermittent Wiper/Washer Control Unit, Rain Sensor (09.2001→)
42	5A	Driver’s/Passenger’s Make-Up Mirror Light
43	5A	Instrument Cluster, Integrated Electronic Control Unit (IKE)
44	5A	Airbag Diagnostic Module, Passenger’s Seat Occupancy Detection, Driver’s Seat Belt Buckle Switch (USA), Passenger’s Seat Belt Buckle Switch (USA)
45	5A	Instrument Cluster, Integrated Electronic Control Unit (IKE)
46	7.5A	Transfer Box Control Unit
47	25A	Fuel Pump Relay No.1
48	7.5A	Heating and A/C Control Module
49	–	–
50	–	–
51	10A	ME72KWP0, ME72KWP1: Fuel Pump Relay No.1, Fuel Tank Leak Diagnostic Module, Secondary Air Pump Relay, ABS/DSC Control Unit, Steering Angle Sensor
	10A	→09.2003 (MS430DS0): Fuel Pump Relay No.1, Fuel Tank Leak Diagnostic Module, Secondary Air Pump Relay, ABS/DSC Control Unit, Steering Angle Sensor
	10A	09.2003→ (MS430DS0): Hot Film Air Mass (HFM) Sensor (USA), RPM Rate Sensor, ABS/DSC Control Unit, Steering Angle Sensor, Fuel Tank Leak Diagnostic Module (USA)
	10A	ME9N62, ME9N62_2: Fuel Tank Leak Diagnostic Module, E-Box Fan, ABS/DSC Control Unit, Steering Angle Sensor, RPM Rate Sensor
	10A	DDE40: Fuel Pump Relay No.1, ABS/DSC Control Unit, Steering Angle Sensor
	10A	D50, D60: E-Box Fan, ABS/DSC Control Unit, Steering Angle Sensor, RPM Rate Sensor
52	15A	Diagnostic Connector (20pin)
53	25A	Switching Centre
54	15A	AGS Transmission Control Unit / Transmission Control
55	30A	ABS/DSC Control Unit
56	–	–
57	15A	Air Suspension Control Unit
58	20A	Sunroof Module / Panorama Glass Roof
59	20A	Independent Park/Auxiliary Heating
60	30A	General Module (Rear Power Window, Power Door Locks, Power Mirror)
61	50A	→08.2003: Engine Cooling Fan
	50A	09.2003→: Light Module
62	50A	Secondary Air Pump Relay
63	50A	ABS/DSC Control Unit
64	50A	Output Stage (Heater/A/C)

No.	Amps	Assignment/Designation
103	–	–
104	100A	3.0D: Preheater Relay
105	60A	Digital Motor Electronics (DME) Module, Fuse: “001”
	60A	ME72KWP0, ME72KWP1: Electronic Immobilizer Control Unit (EWS), Ignition Switch (→02.2002), Digital Motor Electronics (DME) Module Relay, Fuses: “4”, “5”
	60A	MS430DS0: Ignition Switch, Digital Motor Electronics (DME) Module, AGS Transmission Control Unit, Digital Motor Electronics (DME) Module Relay, Fuses: “5”
	60A	ME9N62, ME9N62_2: Electronic Immobilizer Control Unit (EWS), Integrated Supply Module (IVM)
	80A	3.0D: Ignition Switch
106	50A	Light Module, Ignition Switch
107	50A	→08.2003: Light Module
	60A	09.2003→: Engine Cooling Fan
Relay
R1	Fuel Pump
R2	–
R3	Entry Light Module
R4	Horn
R5	–
R6

Luggage Compartment Fuse Box

No.	Amps	Assignment/Designation
72	30A	Audio System, Navigation Control Unit, GPS Receiver, Audio Amplifier, Video Module, Multi-Information Display (MID), CD Changer, On-Board Monitor
73	7.5A	Unloader Relay Terminal R
74	10A	Telephone (Transceiver/Charging Electronics, Compensator, Voice Input, Interface, Eject Box, Telematics (TCU-Everest))
75	5A	Multi-Information Display (MID), CD Changer, Navigation Control Unit, On-Board Monitor, Video Module
76	–	–
77	30A	Luggage Compartment Backrest Adjustment Switch (Left/Right), Rear Compartment Backrest Relay
78	20A	Trailer Socket
79	7.5A	Air Suspension Control Unit
80	20A	Unloader Relay Terminal 15
81	20A	Rear Intermittent Wiper/Washer Control Unit
82	30A	Rear Lid Motor Relay, Bottom Tailgate Motor Relay
83	20A	Luggage Compartment Socket No.1, Luggage Compartment Socket No.2
84	7.5A	Rear Lid Motor Relay, Bottom Tailgate Switch, Bottom Tailgate Motor Relay (→09.2003)
85	30A	Rear Defogger Relay
86	5A	Antenna Amplifier, Independent Heating Receiver
87	30A	Air Suspension Compressor
Relay
R1	Unloader Relay Terminal 15
R2	Rear Window Defogger
R3	Unloader Relay Terminal R
R4	Rear Lid Motor
R5	Rear Compartment Backrest
R6	Bottom Tailgate Motor

Integrated Supply Module – Engine Compartment N62 (IVM)

No.	Amps	Assignment/Designation
001	30A	Digital Motor Electronics (DME) Module, Variable Valve Timing Gear Control Unit, Fuel Injector: “5”, “6”, “7”, “8”
002	20A	Charcoal Filter Valve, Camshaft Sensor – Left Cylinder Head (Inlet), Camshaft Sensor – Left Cylinder Head (Exhaust), VANOS Intake Solenoid Valve – Left Cylinder Head (Inlet), VANOS Exhaust Solenoid Valve – Left Cylinder Head (Exhaust)
003	20A	Ignition Coil: “1”, “2”, “3”, “4”
004	20A	Ignition Coil: “5”, “6”, “7”, “8”
005	30A	Crankshaft Sensor, Hot-Film Air Mass Meter, Characteristic Map Cooling, Camshaft Sensor – Right Cylinder Head (Inlet), Camshaft Sensor – Right Cylinder Head (Exhaust), VANOS Intake Solenoid Valve – Right Cylinder Head (Inlet), VANOS Exhaust Solenoid Valve – Right Cylinder Head (Exhaust)
006	20A	Fuel Injector: “1”, “2”, “3”, “4”
007	20A	Transmission Control
008	30A	Heated Oxygen Sensor in Front of Catalytic Converter (No.1, 2), Heated Oxygen Sensor behind Catalytic Converter (No.1, 2), Oil Quality Sensor
009	10A	Fuel Pump Relay, Fuse: “51”
010	40A	Variable Valve Timing Gear Control Unit
011	40A	Variable Valve Timing Gear Control Unit

Fusible Link Block

No.	Amps	Assignment/Designation
200	200A	Polarity Reversal Protection Relay, Fuses: “3”, “10”, “11”, “12”, “13”, “14”, “15”, “16”, “17”, “18”, “19”, “20”, “21”, “22”, “23”, “24”, “25”, “26”, “27”, “28”, “40”, “46”, “47”, “48”, “49”, “50”, “52”, “53”, “54”, “55”, “56”, “57”, “58”, “59”, “60”, “61”, “62”, “63”, “64”, “104”, “105”, “106”, “107”
201	50A	Trailer Module (AHM)
202	80A	Fuses: “83”, “84”, “85”, “86”, “87”
203	100A	N62: Integrated Supply Module (IVM)
	100A	3.0D: Digital Diesel Electronics (DDE) Control Unit Relay
204	50A	Air Suspension Compressor Relay
205	50A	→09.2001: Trailer Module (AHM)
	40A	09.2003→: Transfer Box Control Unit
206	80A	Fuses: “77”, “78”, “79”, “80”, “81”
207	80A	Fuses: “72”, “73”, “74”, “75” (→03.2002)

Relay

• Wiper Relay (K11): ME72KWP0, ME72KWP1 / MS430DS0 / ME9N62, ME9N62_2, D50M57B1, D60M57D0 / LHD – DDE40KW0 / RHD – DDE40KW0
• Terminal 50 Control Relay 50 (K11341)
• Air Suspension Compressor Relay – in spare-wheel recess near battery (К126)
• Headlight Washer Module (K6): ME72KWP0, ME72KWP1, MS430DS0 / LHD – ME9N62, ME9N62_2, D50M57B1, D60M57D0, DDE40KW0 / RHD – ME9N62, ME9N62_2, D50M57B1, D60M57D0, DDE40KW0
• Digital Motor Electronics (DME) Module Relay (K6300): LHD – ME72KWP0, ME72KWP1, MS430DS0 / RHD – ME72KWP0, ME72KWP1, MS430DS0
• Digital Diesel Electronics (DDE) Control Unit Relay (K2003): LHD – DDE40KW0 / RHD – DDE40KW0 / D50M57B1, D60M57D0
• Secondary Air Pump Relay (К6304): ME72KWP0, ME72KWP1 / MS430DS0
• Starting Interlock Relay (K6324): ME72KWP0, ME72KWP1
• Unloader Relay Terminal 15 (K6326): LHD – ME72KWP0, ME72KWP1 / RHD – ME72KWP0, ME72KWP1
• Fuel Injectors Relay (K6327): LHD – MS430DS0 / RHD – MS430DS0
• Closed-Circuit Current Cutout Relay (K72) – behind glove compartment footwell, passenger’s side: LHD / RHD
• Preheater Relay (K2283): LHD/ RHD

Conclusion

The BMW X5 (E53) is a luxury SUV that is designed with performance and comfort in mind. Its electrical system is a crucial component of the vehicle, and the fuse box and relay system plays an important role in ensuring that all the electrical systems function correctly. Keeping the battery and alternator in good working condition is also essential to avoid any electrical issues. With regular maintenance, the BMW X5 (E53) can provide a comfortable and enjoyable driving experience.