Fuse 1 -  7.5A Immobiliser Park Ventilation Instrument Cluster IHKA (A/C unit) Wiper Relays Aux Water Pump Start EML
Fuse 2 - 7.5A Light Switch
Fuse 3 - 7.5A Light Switch Lamp Control Module Brake Lights
Fuse 4 - 7.5A Light Switch Ignition Switch
Fuse 5 - 10A Light Switch
Fuse 6 - 15A Hazard Lights Crash Module
Fuse 8 - 7.5A Lamp Control Module Cruise Control Brake Light Switch Pin 4 of Diagnostic Connector EML, EGS, ABS, ASC+T
Fuse 7 - 30A RHS Pop-Up-Light Motor
Fuse 9 - 20A Lamp Control Module Wiper Pressure Control Horn Relay Phone
Fuse 10 - 7.5A LHS Low Beam Lamp
Fuse 11 - 7.5A RHS Low Beam Lamp
Fuse 12 - 15A Immobiliser Relay (early prod) Mirror Motors/Switch Washer Heaters Cruise Control Transmission Range Switch Start, EGS, EKM
Fuse 13 - 7.5A LHS High Beam Lamp
Fuse 14 - 7.5A RHS High Beam Lamp
Fuse 15 - 10A Washer Pump Relays (Normal and Intensive) Wiper Motor General Module (ZKE)
Fuse 16 - 20A Seat Heaters Seat/Mirror Memory
Fuse 17 - 7.5A Body Electronics Module Unloader Relay Term 61 Transmission Range Switch Back-Up Reversing Lights Anti-Theft Module Instrument Cluster Charging System Start, EGS, ASC+T, MID
Fuse 18 - 7.5A Seat/Mirror Memory Module Steering Column Memory Anti-Theft Module Sunblind Phone Shifter Illumination Makeup Lights Radio, Remote Locking Body Electronics Module EGS, EKM
Fuse 19 - 30A Blower Motor
Fuse 20 - 30A LHS Pop-Up-Light Motor
Fuse 21 - 7.5A IHKA (A/C Unit) Final Stage (Sword) Rear Defogger/Antenna
Fuse 22 - 30A Wiper Relays (to motors)
Fuse 23 - 15A Fuel Pump (Cyl 1-6 on V12) DME
Fuse 24 - 15A Fuel Pump for: Cyl 7-12 on V12 DME
Fuse 25 - 30A A/C Relay Aux Fan Relays DME 840ci
Fuse 26 - 15A FTP Lights Lower Main Beams in UK
Fuse 27 - 30A Headlight Washers Module
Fuse 28 - 15A Lambda Sensor Heaters Diagnostic Connector (16) Alternator Pin 1 (early) Servotronic Steering DME Charging System
Fuse 29 - 15A Relay Supply for: Compressor Aux Fan High Speed Aux Water Pump Aux Fan Low Speed General Module Air Conditioning Lock-Sensor Module Compressor Cut-Off EDC III, ZKE
1   2   3   4   5   6   7   8   9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29
Timm's BMW E31 Fuse Finder
To find a particular fuse, type <CTRL>F and type a search term (such as PUMP) - then press Enter. This will highlight all fuses associated with the PUMP such as fuel pump, washer pump, aux water pump etc. Also, click on the underlined fuse  number will take you to the appropriate page of the circuit diagram This fuse allocation list comes from various sources - unfortunately some don’t agree - and the pictures below may not show what is fitted in your E31 - in particular the M73 850ci is not well documented (the last circuit diagram being 1995)
60   61   62   63           65                                            64
Fuse 60 - 10A Transmission Control Module (EGS) ASC Switch ABS/ASC+T Module
Fuse 65 - 50A ABS Pump (via Relay K94) ABS Pump (via Relay Y1 - 850csi)
Fuse 62 - 25A ABS Solenoids (via Relay K94) ABS Solenoids (via integral relay J198 - 850csi)
Fuse 63 - 25A ABS/ASC+T Module
Fuse 61 - 25A Diagnostic Connector Pin 16 (early prod only) EGS
38 39 40 41
30 31 32 33
REAR POWER DISTRIBUTION BOX - IN BOOT
55
54
53
52
Fuse 55 - 5A EWS II Transmitter Module Instrument Cluster Seat Occupancy Detector (Mat)
Fuse 54 - 5A SRS System Control Module
F30 - 15A Telephone Tranceiver F31 - 7.5A Diagnostic Connector (16) MID, ZKE, EKM DWA LED Boot (Trunk) Lid Motor Relay Remote Locking Receiver F32 - 20A Sun Blind Control Module EDC Relay F33 - 7.5A Acoustic Device (Gong) Shifter Position Indicator Charging (Cigarette) Socket Consumer Cut-off Relay 1 Consumer Cut-off Relay 2 Interior Light Relay Electronic Power Protection Relay 1 EGS, EDC III, ZKE, EKM
F34 - 30A Electronic Power Protection Relay 2 ZKE F35 Not Used F36 - 15A Radio Hi Fi Amplifier CD Changer F37 - 30A Seat/Mirror Memory Control Module Drivers Seat Lumbar Switch F38 - 30A Passenger Seat Lumbar Switch (CDN) Passenger Thigh Support Switch (CDN) Passenger Seat-Control Switch F39 - 30A Front Cigarette Lighter
F40 - 30A Steering Memory Control Module F41 - 30A Rear Defroster Relay F42 - 30A Electronic Power Protection Relay (K15) ZKE F43 - 10A Relay Module (A5) ZKE F44 Not Used F45 Not Used
Fuse 64 - 50A Not Used in 840ci DME on M73 850ci
48  49  50  51
Fuse 70 - 20A Lambda Sensor Heater Supply Note: This fuse is fitted to a fuse carrier in the EBox on the 840ci
Fuse 52 - 5A
Fuse 53 - 5A ASC+T, SRS Module
42 43 44 45
34 35 36 37
FRONT POWER DISTRIBUTION BOX - ENGINE BAY
AUXILIARY RELAY BOX - IN ENGINE COMPARTMENT
FUSIBLE LINKS IN BOOT RHS IN FRONT OF BATTERY These can be found in-line with the RED cables from the battery
Fuseible Link 1 - 200A This link provides power to: Auxiliary Relay Box: Fuse 50 Fuse 51 Fuse 62 Fuse 63 Fuse 64 Fuse 65
Fuseible Link 2 - 80A This link provides power to: Rear Power Distribution Box Fuses 30 to 38 DWA Anti-Theft Control Module
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