The BMW 1 Series is a line of compact vehicles produced since 2004, available in four body styles: 3-door and 5-door hatchbacks, coupe, and 2-door convertible. This guide provides a detailed look at the fuse box diagrams for the BMW 1 Series E81/E87 and E82/E88 (1st generation: 116d, 116i, 118d, 118i, 120d, 120i, 123d, 125i, 130i, 135i, and M1 Coupe), covering model years 2004 through 2013.
This section details the locations and diagrams of the power distribution boxes. Fuses designated for the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold.
Electrical System Component Locations
General layout of the electrical system within the vehicle.
1. HVAC control module – behind the climate control panel;
2. Antenna diversity module – under the rear seat cushion;
3. Telephone antenna amplifier – left side of the luggage compartment;
4. Side impact sensor, driver's side – lower B-pillar;
5. Side impact sensor, passenger side – lower B-pillar;
6. Vehicle tilt sensor (anti-theft alarm) – integrated with the alarm siren;
7. Anti-theft alarm siren – behind the left rear wheel arch liner;
8. Ultrasonic interior motion sensor (anti-theft alarm) – in the overhead console;
9. Digital Audio Broadcasting (DAB) control module – under the luggage compartment floor;
10. Audio amplifier – left side of the luggage compartment;
11. Audio interference suppressor – C-pillar;
12. Battery – under the luggage compartment floor;
13. Intelligent Battery Sensor (IBS) – at the negative battery terminal;
14. OBD-II diagnostic data link connector;
15. Driver's door control module;
16. Passenger door control module;
17. Fuel pump control module (EKPS) (if equipped) – behind the right-hand rear seat bolster;
18. Fuse/relay box, interior – behind the glove compartment;
19. Fuse/relay box – near the intake manifold resonator;
20. Fuse/relay box, battery power distribution (Valvetronic / DDE / PTC heater) – non-serviceable internal fuses;
21. Dual-tone horn 1 – behind the front bumper;
22. Dual-tone horn 2 – behind the front bumper;
23. Instrument cluster control module (KOMBI);
24. Turn signal/hazard flasher relay – integrated into the Footwell Module (FRM);
25. Ambient light sensor;
26. Junction Box Electronics (JBE) / Multifunction control module 1 – attached to the interior fuse box. Functions: HVAC, central locking, power windows, headlight washers, exterior mirror heating, washer jet heating, rear window washer, rear sunblind, windshield wipers;
27. Footwell Module (FRM) / Multifunction control module 2. Functions: Central locking, power windows, fog lights, primary headlamps, adaptive headlights, headlight leveling, exterior mirror heating, turn signals/hazard lights, instrument cluster illumination, tail lights, reversing lights;
28. Car Access System (CAS) / Multifunction control module 3 – behind the instrument panel. Functions: Anti-theft alarm, central locking, immobilizer, starter motor control, electronic steering lock;
29. Roof Control Panel (FZD) / Multifunction control module 4. Functions: Anti-theft alarm interior monitoring, interior lighting, sunroof control;
30. Comfort Access module / Multifunction control module 5 – under the luggage compartment floor (right). Functions: Keyless entry and engine start remote control;
31. Multimedia control module;
32. Navigation system control module;
33. Navigation system GPS receiver;
34. Ambient air temperature sensor;
35. Park Distance Control (PDC) module – under the luggage compartment floor (right side);
36. PDC warning chime speaker, front – under the instrument panel;
37. PDC warning chime speaker, rear – right side of the luggage compartment;
38. Active Steering control module – behind the left front wheel arch liner;
39. Power seat control module, driver – under the driver's seat;
40. Power seat control module, passenger – under the front passenger seat;
41. Seat heating control module, driver – under the driver's seat;
42. Seat heating control module, passenger – under the front passenger seat;
43. Steering column switch cluster (SZL);
44. Electric sunroof control module;
45. Supplemental Restraint System (SRS) control module;
46. Ride height sensor (front right);
47. Ride height sensor (rear right);
48. iDrive controller module;
49. Telematics control module (TCU) – under the luggage compartment floor;
50. Bluetooth transceiver – under the dashboard;
51. Trailer tow module – under the luggage compartment floor (right side);
52. Electronic Transmission Control (EGS) module – mounted to the transmission;
53. Voice control module – under the luggage compartment floor;
54. Rain/light sensor (windshield wipers).
Interior Fuse Box (Passenger Compartment)
The power distribution box is located on the passenger side, behind the glove compartment. To access the fuses, release the retaining clips and pivot the glove compartment downwards.
General overview of the BMW 1 Series E81/E87 interior fuse box.
Accessing the interior fuse box.
| Diagram | ||
|---|---|---|
|
||
| No. | Circuit / Component | Rating (A) |
| 1 | Spare | - |
| 2 | Automatic dimming interior rearview mirror | 5 |
| 3 | Spare | - |
| 4 | Multifunction control module 3 (CAS) | 5 |
| 5 | Multifunction control module 4 (FZD) | 7.5 |
| 6 | Unused (up to 08/2005) | |
| 7 | Spare | - |
| 8 | Audio system / CD changer | 5 |
| 9 | Spare | - |
| 10 | Spare | - |
| 11 | Spare | - |
| 12 | Multipurpose control module | 20 |
| 13 | iDrive controller module | 5 |
| 14 | Spare | - |
| 15 | Spare | - |
| 16 | Dual-tone horn | 15 |
| 17 | Navigation system | 5 |
| 18 | Audio system / CD changer (up to 11/2004) | 5 |
| 19 | Anti-theft alarm system, Comfort Access | 7.5 |
| 20 | Dynamic Stability Control (DSC) | 5 |
| 21 | Driver's door control module, exterior mirror (passenger side) | 7.5 |
| 22 | Spare | - |
| 23 | Navigation system, TV tuner | 10 |
| 24 | Spare | - |
| 25 | Spare | - |
| 26 | Telematics | 10 |
| 27 | Driver's door control module, telephone | 5 |
| 28 | Multifunction control module 4 (FZD), Park Distance Control (PDC) | 5 |
| 29 | Seat heating, front | 5 |
| 30 | 12V auxiliary power outlet / Cigarette lighter fuse | 20 |
| 31 | Dynamic Stability Control (DSC) (up to 08/2005) | 30 |
| 32 | Power adjustable seats, front seat heating | 30 |
| 33 | Power adjustable seat, passenger | 30 |
| 34 | Audio amplifier | 30 |
| 35 | Fuel pump fuse (EKPS) (from 08/2005) | 20 |
| 36 | Multifunction control module 2 (FRM) | 30 |
| 37 | Spare | - |
| 38 | Unused (up to 08/2005) | |
| 39 | Windshield wiper motor | 30 |
| 40 | Audio system (up to 08/2005) | 20 |
| 41 | Multifunction control module 2 (FRM) | 30 |
| 42 | Power accessories / Electric drive | 30 |
| 43 | Headlight washer system | 30 |
| 44 | Trailer tow module | 30 |
| 45 | Trailer socket (up to 08/2005) | 20 |
| 46 | Rear window defogger | 4 |
| 47 | Unused (up to 08/2005) | |
| 48 | Rear window washer/wiper system | 20 |
| 49 | Seat heating, front passenger | 30 |
| 50 | Spare | |
| 51 | Multifunction control module 3 (CAS) | 5 |
| 52 | Multifunction control module 2 (FRM) | 50 |
| 53 | Multifunction control module 2 (FRM) | 50 |
| 54 | Engine management system (DME/DDE) | 60 |
| 55 | Spare | |
| 56 | Central locking system | 15 |
| 57 | 15 | |
| 58 | Data Link Connector (OBD-II), instrument cluster control module | 7.5 |
| 59 | Steering column switch cluster (SZL) | 5 |
| 60 | Air conditioning (HVAC) | 7.5 |
| 61 | Luggage compartment lighting, glove compartment lighting, multi-information display | 10 |
| 62 | Power windows, rear | 30 |
| 63 | Multifunction control module | 30 |
| 64 | Power windows, rear | 30 |
| 65 | Dynamic Stability Control (DSC) | 40 |
| 66 | Fuel filter heater (Diesel) | 50 |
| 67 | HVAC system / Blower motor | 50 |
| 68 | Spare | |
| 69 | Radiator cooling fan motor | 50 |
| 70 | Secondary Air Injection (SAI) pump (if equipped) | 50 |
| R1 | Windshield wiper motor relay 2 (integrated into fuse/relay plate) | |
| R2 | Windshield wiper motor relay 1 | |
| R3 | Rear window defogger relay | |
| R4 | Rear window wiper relay | |
| R5 | Fuel pump relay (in fuse/relay box) – if equipped | |
| R6 | Terminal 15 / Circuit disconnect relay 2 (in fuse/relay box) – if equipped | |
| R7 | Terminal 30G / Main ignition switch relay (in fuse/relay box) | |
| R8 | Terminal 15 / Circuit disconnect relay 1 | |
| R9 | Headlight washer pump relay | |
| R10 | Secondary Air Injection (SAI) pump relay | |
Luggage Compartment Power Distribution
Located beneath the luggage compartment floorboard, adjacent to the battery.
| Diagram | ||
|---|---|---|
|
||
| No. | Circuit / Component | Rating (A) |
| F103 | Spare | — |
| F104 | Intelligent Battery Sensor (IBS) | — |
| F105 | Electric Power Steering (EPS) | 100 |
| F106 | PTC auxiliary electric heater | 100 |
| F108 | Junction Box Electronics (JBE) | 250 |
| F203 | Jump-start terminal output – DDE main relay | 100 |
Engine Compartment Fuse Box
Located within the electronics box (E-box) beneath the left cowl panel. The fuse layout varies depending on the engine variant.
| Diagrams | ||
|---|---|---|
| No. | Circuit / Component | Rating (A) |
| Engine Type M47/TU2 (118d, 120d) | ||
|
||
| F01 | Boost pressure actuator | 20 |
| Camshaft position sensor (Hall effect) | ||
| Common rail pressure control valve | ||
| F02 | EGR solenoid valve | 20 |
| Crankcase ventilation heater | ||
| Swirl flap actuator valve | ||
| Oxygen sensor (Lambda probe) | ||
| Glow plug control module | ||
| Oil level sensor | ||
| F03 | B+ power distribution – Digital Diesel Electronics (DDE) control module | 30 |
| F04 | E-box cooling fan | 10 |
| F05 | Spare | — |
| Engine Type N45 (116i) | ||
|
||
| F01 | Mass Air Flow (MAF) sensor | 30 |
| EVAP purge valve | ||
| Oil level sensor | ||
| Suction jet pump solenoid valve | ||
| F02 | Oxygen sensor (Lambda probe) | 30 |
| F03 | Fuel injectors | 20 |
| Crankshaft position sensor | ||
| Camshaft position sensor | ||
| E-box cooling fan | ||
| Junction Box (Fuel pump relay) | ||
| F04 | VANOS solenoid valve | 30 |
| Digital Motor Electronics (DME) control module | ||
| F05 | Terminal 15 unloader relay | 30 |
| Engine Type N46 (118i, 120i) | ||
|
||
| F01 | Fuel injectors | 20 |
| F02 | VANOS solenoid valve | 20 |
| Camshaft position sensor | ||
| Map-controlled engine thermostat | ||
| F03 | Digital Motor Electronics (DME) control module | 30 |
| Mass Air Flow (MAF) sensor | ||
| Oil level sensor | ||
| Crankshaft position sensor | ||
| EVAP purge valve | ||
| Crankcase ventilation heater | ||
| F04 | E-box cooling fan | 10 |
| Junction Box Electronics (JBE) | ||
| F05 | Oxygen sensor (Lambda probe) | 30 |
| F001 | Terminal 15 unloader relay | 10 |
|
||
| F0001 | Valvetronic relay | 40 |
| Engine Type N52 (125i, 130i) | ||
|
||
| F01 | Ignition coils | 30 |
| Ignition coil interference suppression capacitor | ||
| F02 | Map-controlled engine thermostat | 30 |
| Electric water pump | ||
| Intake camshaft position sensor | ||
| VANOS solenoid valves | ||
| Exhaust camshaft position sensor | ||
| F03 | Crankshaft position sensor | 20 |
| Digital Motor Electronics (DME) control module | ||
| EVAP purge valve | ||
| Mass Air Flow (MAF) sensor | ||
| Oil condition sensor (OZS) | ||
| Crankshaft position sensor | ||
| F04 | Crankcase ventilation heater | 30 |
| Oxygen sensor (Lambda probe) | ||
| F05 | Fuel injector relay | 30 |
| F06 | Environmental Air Catalyst (EAC) sensor | 10 |
| E-box cooling fan | ||
| Exhaust flap actuator | ||
| Diagnostic Module Tank Leakage (DMTL) | ||
| Junction Box Electronics (K6304) | ||
| Secondary mass air flow sensor | ||
| F07 | Valvetronic relay (VVT) | 40 |
| F09 | Electric water pump | 30 |
| F010 | Crankcase ventilation heater relay | 5 |
| Ignition coils | ||
| A6000 | Digital Motor Electronics (DME) control module | |
| A6300 | DDE main relay | |
| A6319 | Valvetronic relay (VVT) | |
| A6327 | Fuel injector relay | |
| A6539 | Crankcase ventilation heater relay | |
| Engine Type N54 (135i) | ||
|
||
| F01 | Ignition coils | 30 |
| Ignition coil interference suppression capacitor | ||
| F02 | Digital Motor Electronics (DME) control module | 30 |
| Electric water pump | ||
| Map-controlled engine thermostat | ||
| Intake camshaft position sensor | ||
| VANOS solenoid valves | ||
| Exhaust camshaft position sensor | ||
| Wastegate actuator valve | ||
| F03 | Crankshaft position sensor | 20 |
| EVAP purge valve | ||
| Oil condition sensor (OZS) | ||
| Fuel quantity control valve | ||
| F04 | Crankcase ventilation heater | 30 |
| Oxygen sensor (Lambda probe) | ||
| F05 | Spare | — |
| F06 | E-box cooling fan | 10 |
| Exhaust flap actuator | ||
| US Specification: Diagnostic Module Tank Leakage (DMTL) | ||
| F07 | Electric water pump | 40 |
| K6300 | DDE main relay | - |
| A2076 | B+ power distribution | - |
