What is the construction and purpose of automotive electrical systems?

Automotive electrical systems are a set of components responsible for starting, charging, powering consumers, and controlling vehicle electronics. They include, among others, the battery, alternator, starter, fuses, relays, controllers, and wiring harnesses. These components are located in different parts of the car and work together through connectors and signal buses.

What are automotive electrical systems used for?

Automotive electrical systems are used to supply energy and transmit control signals to vehicle components. Thanks to them, it is possible to start the engine, charge the battery, and operate lights, windows, air conditioning, and safety systems. A fault in one circuit can affect not only comfort but also the correct operation of other modules.

What role does the wiring harness play in a car?

The wiring harness is an organized set of wires, covers, and connectors that connects individual consumers and controllers in the vehicle. It is used to transmit power, ground, and signals between modules. Its construction depends on the body version, equipment, and mounting location, so when replacing it, you must compare the wire routing, plug type, and number of pins.

How to choose an electrical part for a specific car?

The safest way is to compare the OEM number, manufacturer number, connector type, and mounting location. It is also worth considering the engine version, year of manufacture, body type, and equipment, as the same model may have different variants of the alternator, starter, or controller. In practice, verification by VIN is very helpful.

What symptoms indicate a problem with the electrical system?

Typical signals include difficulty starting, flashing warning lights, dimming lights, unstable charging, or the failure of selected consumers. In some cases, controller errors, air conditioning malfunctions, or periodic power outages also occur. Symptoms must always be linked to a specific circuit and cooperating component.

How to take care of automotive electrical systems in daily use?

The basis is regular inspection of the battery condition, terminals, ground wires, and charging. It is also good to check the tightness of housings, the condition of harness insulation, and the cleanliness of contacts exposed to moisture. A quick reaction to the first symptoms of voltage drops or electronic errors makes it easier to avoid a major failure.

Automotive electrical systems

At Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

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BMW F30 F31 F32 F15 F16 Rear Door Card Light Lamp LED Wiring Harness 6819936

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9354758

BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK Mid 9354758

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9296494

BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8582280-11

BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key

€165.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7555926

BMW E81 E90 E91 E60 LCI Petrol Alternator Generator 180A 7550968

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6934096

BMW 7 Series E65 Cable Harness Door Rear Right Left N/O/S Wiring Loom 6923713

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7605061

Alternator Generator BMW F10 F30 N20 Diesel Electrical Unit Denso 210A 7605061

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6819934

BMW X5 F15 X6 F16 Front Door Card Light Wiring Loom Left Right N/O/S 6819934

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6797439

BMW F07 GT ICM Management Control Unit Module DSC Brakes 6797439

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9120788

BMW 5 Series E60 E61 Wiring Loom Harness Passenger Side 9120785

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6920292

BMW 7 Series E65 Cable Harness Loom Front Door Wiring Left Right N/O/S 6920292

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7210575-2

BMW F06 F12 F13 Rear Lamp Tail Light Side Panel Wiring Harness Left N/S 7210575

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9289587

BMW 2 X1 Series F45 F48 Radio Antenna Amplifier Suppression Filter 9289587

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9387151-1

BMW F30 Hybrid 330e B48X Positive Battery Lead Cable Starter Unit Wiring 9387151

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7943752

BMW X5 F15 F20 F21 F22 F23 F30 F45 F46 Electric Seat Control Module ECU 7943752

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6919759

BMW E65 E66 E67 Control Unit Front Centre Console Module 6919759

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8589145-21

BMW F20 LCI 116d B37 Engine 115 HP Module ECU Kit DDE 8589145 Manual

€332.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9290013

BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 9290013

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8507909

BMW F20 F30 Wiring Harness Engine Transmission Module Diesel Manual N47N 8507909

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7636292-10

BMW F20 116i N13 136HP Engine Control Module ECU Kit DME 7636292 Automatic

€427.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9118037

BMW E46 Convertible Alarm Sensor MDD Module Burglar Alarm Radar 9118037

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7599881-2

BMW E87 LCI E90 118i 318i N43 143HP ECU KIT DME 7599881 CAS3 + Key Automatic

€227.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8267406

Headrest Adjustment BMW E46 E64 Front Right O/S Seat Actuator 8267406

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7160897

BMW X5 E53 E60 E61 E65 E81 E87 E90 E91 Turn Indicator Silver Bulb 7160897

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6920472

BMW 7 Series E65 E66 E67 Sensor Vehicle Centre AIRBAG

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6907520

BMW 5 X5 Series E39 E53 Dual Band Cable Compensator Hands Free Phone 6907520

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8801727

BMW X1 F48 LCI F39 F45 Mini F60 Adapter Lead EPS 8801727

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9153418-1

BMW 5 Series F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9225182

Rear Bumper Antenna BMW E93 E93N LCI Aerial Telephone 6970701

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9271216

BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9271216

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9271214-1

BMW X3 F25 Front Bumper Parking Sensor Wiring Loom Harness 9271214

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7524109

BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Gearbox Manual 7524109

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9216468

BMW F10 F11 F20 F30 F31 Front Seat Heating Control Module ECU 9216468

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9247398

BMW F01 F10 F11 F12 Body Control Unit Module Gateway ZGW-01 9247398

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9277812

BMW 2 Series F23 Convertible Rear Trunk Tailgate Antenna Aerial DAB 9277812

€67.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9296495

BMW F20 F21 F22 F30 F31 F33 F34 Air Module Control Unit ECU 9296495

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9177981

BMW E90 ECU Body Control Module H1 PL2 JBBFE2 9177981

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9205477

BMW E82 E88 120i N43 Positive Battery Lead Cable Wiring Petrol 9205477

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6842255

BMW F39 F45 Mini F56 F60 ICM Control Unit Air Module ECU 6842255

€151.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7222633-1

BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6970086

BMW 5 6 Series E60 E61 E63 LCI Cable Set Start / Stop Switch Wiring Loom 6970087

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9267419-1

BMW E81 Body Control Module Unit H1 61359267419 9267419

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7638477

Ignition Coil BMW E81 E87N LCI E90 E91 E92 F10 F11 Bosch 7638477

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9231518

BMW F31 Antenna Aerial Diversity Trap Circuit 9231518

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8570238

BMW E87 E90 F20 F30 Engine Starter Motor Actuator N47 N47N Diesel 8570238

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8583606

BMW X3 F25 X4 F26 Diesel Automatic Engine Wiring Harness Gearbox Cable 8583606

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9224868

BMW F10 F11 F12 F13 Tweeter Speaker Bang&Olufsen Rear Left Right N/O/S 9224868

€47.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9244426

BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 9219647

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9314229

BMW F20 Front Electronic Module Body Control Unit FEM ECU 9314229

€284.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6982394

BMW E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6982394

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7607973

BMW F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7607973

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8794297

BMW F20 F21 F22 F30 F31 F32 Mini F55 F56 F57 Head Unit Basic Media DAB 8794297

€137.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6935597

Parking Sensor BMW E81 E87 E90 E91 PDC Front Rear Titansilber Silver - 354

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8672514-1

BMW F80 M3 F82 F83 M4 431HP Engine Control ECU Kit DME 8672514 + FEM Module Key

€1,139.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8693361-2

BMW F87 LCI M2 370HP N55 Engine Control Module Unit ECU DME 8693361 Automatic

€422.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7301271-2

BMW X5 F15 F85 Rear Trunk Lid Boot Tailgate Lamp Light Wiring Left N/S 7301271

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8583657-1

BMW F20 E90 LCI Mini R56 LCI Glow Plug Wiring Wiring Harness Engine Module

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9243637

BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9243637

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8578946-4

BMW F20 F30 F32 120Xd 320Xd 420Xd N47N Engine Control ECU DDE 8578946 Automatic

€75.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8512499

Engine Control Unit BMW E81 E87 E90 E91 LCI N47 Diesel ECU DDE 8512499

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6940778

BMW E65 E66 Front Seat Wiring Loom Harness Right O/S 6940778

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9292350

Battery Terminal Cover BMW X3 F25 X5 F15 Trim Panel Base B + Positive 9292350

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7516376

BMW E65 E66 E67 Electric Valve 735i 745i 735Li 745Li 745LiS 7516376

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6928267

BMW E65 E66 E67 Gateway Sensor Air Module Control Unit 6928267

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7514357

BMW Z4 E85 Roadster Cabrio Cable Alternator Starter Base B 7514357

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8512500-1

BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8512500 CAS3 + Key Manual

€317.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9270501

BMW X3 E83N E70 LCI E71 PDC Parking Ultrasonic Sensor Schwarz 7687127

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7561834-22

BMW E87 E90 120i 320i N46 150HP Engine Control DME Module 7561834 Automatic

€284.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9159310

BMW F10 Central Sensor LOW 9159310

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9350313

BMW F90 M5 G11 G30 Fuse Box Power Distribution Unit Front Right O/S 9350313

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7605478

BMW 1 3 Z4 Series F20 F30 E89 Petrol Alternator 170A 7605478

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6946073

BMW E46 Battery Cable Positive Plus Lead Wire 6946073

€113.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9186664

BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186664

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6980008

BMW E61 E65 E66 Tailgate Trunk Lift Control Module 6980008

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9263803-4

BMW E90 Max Brose Footwell Light Module Control Unit FRM3R 9263803

€189.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9142092

Bluetooth Antenna BMW X1 X3 Z4 E84 E89 F01 F02 F03 F25 Amplifier AMP 9142092

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7800164

BMW F10 F11 N57 N57S Positive Battery Cable Alternator Starter Lead 7800164

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7490465

BMW F10 F20 F30 F31 Mini F55 F56 Seat Heating Module Control Unit ECU 7490465

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9234087

BMW E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor Control Unit 9234087

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9360501-3

BMW F40 F48 Mini F56 Distribution Fuse Box Rear Electric Power Fuse Box 9360501

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9337233

BMW F32 F33 F82 F83 M4 Door Wiring Front Harness Loom Cable 9337233

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5A4A9D6

BMW G20 Front Door Wiring Harness Cable Driver Side 5A4A9D6

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9210860

BMW X3 F25 Rear Fuse Box Power Distribution Control Unit Box 9210860

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7822015

BMW G20 G21 G26 330d 430d B57P Diesel Starter Cable Wiring B+ 7822015

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7510646

BMW 7 Series E65 E66 E67 Ventilation Hose E-Box Fan 7510646 12907510646

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8576341-10

BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine ECU Kit DDE 8576341 Manual

€123.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9207515

BMW X1 E84 Battery Cable Wire Lead Positive 9207515 61129207515

€123.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9895416-1

BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME 9895416 FEM Key Automatic

€284.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9300859

BMW X5 F15 Fuel Tank Cable SCR AdBlue Unit Adapter Wiring Harness Diesel 9300859

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6821404

High Voltage Cable BMW F45 Mini F60 Hybrid Plugin Alternator 6821404

€332.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6868724

BMW X5 F15 F85 X6 F16 F86 ICM Control Unit ACC Support V-5.7 6868724

€332.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9207360

BMW E60 E87 LCI E90 Hands-free Bluetooth High Basis MULF2 9207360

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6967184-1

BMW X5 E70 Positive Battery Cable Terminal Box Base B+ X6 E71 6967184

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5A7A0B5

BMW F70 F74 X1 U11 X2 U10 Engine Wiring Loom Harness Cable B38 Petrol 5A7A0B5

€146.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6985748

BMW 5 Series E60 E61 Centre Console Switch Centre DTC PDC 6985748

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6907519-1

BMW 7 SERIES E65 E66 E67 Battery cable plus pole 6907519

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8577834

BMW F30 X3 F25 N57N 330d 30dX 258HP Engine Control Unit ECU 8577834 Automatic

€156.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8643126

BMW F06 F12 F13 M6 F10 M5 S63N 560HP Engine Control Module 8643126 Automatic

€541.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9184432-1

BMW 1 3 Series E81 E87 E90 E91 Control Unit Airbag ECU NO CRASH DATA 9184432

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

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