BMW 2 Tourer F45 F46 was produced in 2015, 2016, 2017, 2018, 2019, 2020, 2021, where Active Tourer – F45 and Gran Tourer – F46 . In our material we will present a description of the fuses and relays of the BMW 2 Tourer f45 f46 with block diagrams, their locations and photos. We will note the fuse responsible for the cigarette lighter.
Blocks in the cabin
Fuse and relay block
Inside the car, the main unit with fuses and relays is located behind the glove compartment, on the passenger side.
| № | A | Description |
|---|---|---|
| 30 | – | |
| 31 | – | |
| 32 | 40 | Body Domain Controller |
| 33 | – | |
| 34 | 40 | Fan output stage |
| 35 | 50 | Body Domain Controller |
| 37 | 5 | Parking brake button |
| 38 | 5 | Siren with tilt sensor |
| 39 | 5 | Roof function center |
| 40 | 5 | Dynamic Stability Control (DSC) |
| 41 | 5 | Instrument cluster control unit |
| 42 | 5 | Remote control receiver |
| 43 | 30 | Roof function center |
| 44 | 20 | Right headlight |
| 45 | 30 | without electromechanical parking brake: Dynamic Stability Control (DSC) |
| 40 | with electromechanical parking brake: Dynamic Stability Control (DSC) | |
| 46 | 5 | Natural vacuum leak detection |
| 47 | 30 | 2015–2016: Longitudinal torque distribution. |
| 20 | 2016-2022: Left headlight | |
| 48 | 30 | Selective Catalytic Regeneration (SCR) Control Unit |
| 49 | 5 | Electric exhaust flap, electronic control of additional electric heater No. 2 |
| 50 | 5 | Radiator shutter actuator, catalytic converter sensor (except PHEV) |
| 51 | 5 | Fan base |
| 52 | 5 | Electrochromic interior rear view mirror |
| 53 | 5 | Automatic Air Recirculation Control (AUC) sensor |
| 54 | 5 | Electromechanical power steering |
| 55 | 4 | Rear view camera, parking assistant |
| 56 | 5 | Longitudinal Torque Distribution, Vehicle Sound Generator (PHEV), Vehicle Sound Generator #2 (PHEV) |
| 57 | – | |
| 58 | 10 | Steering column switch |
| 59 | 5 | Camera-based driver assistance system |
| 60 | 5 | Additional supplementary system |
| 61 | 20 | Head unit (radio or navigation system) |
| 62 | 5 | Front interior lighting, rain light, solar condensation sensor, vanity mirror lighting, third row interior lighting, decorative strip lighting, interior trim lighting, door trim lighting |
| 63 | 20 | Trailer socket |
| 64 | – | |
| 65 | 20 | Front cigarette lighter (12V socket), socket (under glove box) |
| 66 | 20 | Electric fuel pump control electronics |
| 67 | 7,5 | 2015–2017: Outside mirror (front passenger) |
| 5 | 2017–2022: Outside mirror (front passenger) | |
| 68 | 5 | Touchbox, controller (CON), USB hub, USB charging port #3 |
| 69 | 7,5 | 2015-2017: Outside mirror (switch block – driver’s door) |
| 5 | 2017-2022: Outside Mirror (Switch Block – Driver’s Door) | |
| 70 | 5 | Luggage compartment light, glove compartment light, rear lid button on the inside of the rear lid |
| 71 | 7,5 | Instrument cluster control unit |
| 72 | 5 | Electric Fan Shut-Off Relay |
| 5 | Fan >400W: built-in power module | |
| 73 | 10 | Driver’s seat back with adjustment (valve block), driver’s lumbar support valve block, driver’s seat back width adjustment switch |
| 74 | 7,5 | Gasoline (TU): Turbocharger Coolant Pump |
| 75 | 10 | Front passenger seat backrest with adjustment (valve block), passenger lumbar support valve block, passenger seat backrest width adjustment switch |
| 76 | 5 | 2015–2017: Front Interior Lighting |
| 77 | 10 | Nitrogen Oxide Sensor After Selective Catalytic Reduction (SCR) Catalytic Converter |
| 78 | 15 | Selective Catalytic Regeneration (SCR) Control Unit |
| 79 | 5 | Base, Wireless Charging Accessory Tray, Wireless Charging Accessory Tray Antenna Booster |
| 80 | 5 | Front interior lighting |
| 81 | 15 | Electronic gearbox control |
| 82 | 5 | Selector level (gear switch) |
| 83 | 5 | 2015–2016: Digital engine electronics. |
| 7,5 | 2016–2022: Digital engine electronics. | |
| 84 | 5 | with manual transmission: clutch module |
| 5 | with dual clutch transmission: dual clutch transmission control unit, dual clutch transmission relay. | |
| 85 | 5 | Electrochromic interior rear view mirror |
| 86 | – | |
| 87 | – | |
| 88 | – | |
| 89 | – | |
| 90 | 5 | Automatic operation of the luggage compartment lid |
| 91 | – | |
| 92 | 10 | Additional supplementary system |
| 93 | – | |
| 94 | 20 | Electronics for remote control of seat back release |
| 95 | 30 | Front passenger seat adjustment switch block |
| 96 | 10 | Trunk/rear door lock |
| 97 | 5 | Auxiliary control unit |
| 98 | – | |
| 99 | – | |
| 100 | 5 | PHEV: High Voltage Electric Vehicle |
| 101 | 5 | Identifier Reader, Car Sharing Module (CSM) |
| 102 | – | |
| 103 | 20 | Right headlight |
| 104 | 20 | Left headlight |
| 105 | – | |
| 106 | – | |
| 107 | 40 | 2015–2017: Automatic release of the luggage compartment lid. |
| 40 | 2017-2022: Rear Door Function Module | |
| 108 | 30 | 2020-2022: Rear Door Function Module |
| 109 | 5 | Bistable relay |
| 110 | 5 | Bistable relay |
| 111 | Bistable relay | |
| 112 | – | |
| 113 | 10 | PHEV (2015–2016): Pressurized Fuel Tank Control Module |
| 114 | – | |
| 115 | 5 | PHEV: convenient charging electronics |
| 116 | – | |
| 117 | – | |
| 118 | – | |
| 119 | 20 | Trailer module |
| 120 | 20 | Trailer module |
| 121 | 7,5 | USB charging port #4 |
| 122 | 5 | PHEV: Gas Generator with Safe Battery Terminal |
| 123 | 5 | PHEV: Electric air conditioning compressor, additional electric heater |
| 124 | 10 | PHEV: Electric Vehicle Electronics |
| 125 | – | |
| 126 | – | |
| 127 | 30 | Electronic driver’s seat heating unit (basic version), driver’s seat module (High version) |
| 128 | 30 | Front passenger seat heating electronics |
| 129 | 30 | Hi-Fi amplifier |
| 130 | 10 | Petrol: Coolant pump 2 in low temperature coolant circuit |
| 131 | 30 | Longitudinal torque distribution, transmission oil pump (PHEV) |
| 132 | 20 | Socket under armrest, rear socket (2015-2018), socket in trunk |
Fuse number 65 for 20A is responsible for the operation of the cigarette lighter.
Individual relay elements can be installed outside this block.
Fuse box
Another fuse box is located on the pillar, under the instrument panel.
| № | A | Description |
|---|---|---|
| 1 | 30 | Electric windows (passenger) |
| 2 | 30 | Electric windows (driver side – rear) |
| 3 | 20 | Door lock (front passenger) |
| 4 | 30 | Electric windows (driver) |
| 5 | 30 | Rear window heating |
| 6 | 30 | Electric window (passenger side – rear) |
| 7 | 30 | Door lock (driver) |
| 8 | – | |
| 9 | 5 | Lighting control panel, steering column switch cluster, driver assistance system control panel with hazard warning switch |
| 10 | 7.5 | Diagnostic connector |
| 11 | 7.5 | Diagnostic connector (2014-2015), heating/air conditioning system, rear door function module (2017-2021) |
| 12 | 5 | Analysis of electronics of contactless opening of the rear door, telematic communication unit, electronic module of the outer door handle (driver/passenger) |
| 13 | 15 | Signal |
| 14 | – |
Check the purpose of the elements with the information posted on the brochure in the fuse and relay box or other technical documentation.
Blocks under the hood
Power fuse box
Next to the battery is a high-power fuse box (2), which is attached to its positive terminal.
| № | A | Description |
|---|---|---|
| 400 | 250 | Front Distribution Box |
| 401 | 60 | Fan → 400W: Fan cut-off relay |
| 80 | Fan 600W: Electric fan cut-off relay | |
| 125 | Fan 800W: Electric fan cut-off relay | |
| 402 | 125 | Electromechanical power steering |
| 403 | 50 | →06.18: Dynamic Stability Control (DSC) |
| 60 | 18.07→: Dynamic Stability Control (DSC) | |
| 404 | 125 | Body Domain Controller |
| 405 | 100 | Front electric auxiliary heater |
| 406 | 40 | Diesel: fuel filter heating |
| 40 | Steptronic dual clutch: Dual clutch transmission relay | |
| 60 | Control electronics for the additional electric heater in the engine compartment |
Built-in power module
The optional power modules contain fuses and relays. If one of the fuses or one of the relays is faulty, the entire integrated power module must be replaced.
