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 F74 Gran Coupe E92 Bluetooth Telematics Module Control Unit 9878663

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BMW F13 Front Seat Control Module Unit ECU Left Right N/O/S 9313992

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BMW X5 E70 Driver Side Front Right O/S Door Cable Harness Wiring 6977054

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BMW i3 I01 Engine Motor Sensors Module Wiring Cable Wire Harness 8632687

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BMW X3 G01 X4 G02 Alternator Positive Cable Wiring Loom Connector 8483811

€32.95

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BMW F30 LCI 330e B48X Negative Earth Cable Battery 9387145

€23.95

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Wiring BMW X3 F25 Automatic Gearbox Module Engine Wiring Harness 7811176

€113.95

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BMW E90 E91 LCI N47N 320d 184HP Engine ECU KIT DDE 8518269 CAS3 Key Automatic

€108.95

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BMW E60 E61 Door Wiring Harness Cable Loom Rear Right O/S 9120812

€42.95

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BMW 1 3 Series E87 E90 E91 LCI Rear PDC Ultrasonic Parking Sensor Barbera Red

€23.95

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BMW F20 F21 F22 Central Information Display Dashboard Screen 6,5" 9270392

€23.95

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Positive Cable BMW F90 M5 G30 Battery Wire Lead Underfloor Wiring 6807323

€51.95

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BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107

€23.95

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BMW F40 Mini F55 F56 Mid Range Sound Speaker Front Door Stereo 8715685

€23.95

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BMW F21 Engine Control ECU Manual 1.6 Petrol 170 HP 118i N13 N13B16A 8630125

€427.95

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BMW F11 Wiring Cable Loom 918545-102 767832-113

€23.95

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BMW F44 218d B47C20B 150HP Engine Module Control Unit ECU DDE 7824732 Automatic

€284.95

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Starter Motor BMW G20 G21 G30 G31 G32 GT G11 B57 3.0 Diesel Engine 8589891

€37.95

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BMW F01 F02 F03 F04 ECU Bracket Engine Module Box Housing Holder Mount 7555166

€66.95

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BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8517862 + Key + FEM

€270.95

Part no. 8576341-1

BMW F20 F30 F31 116d 316d 116HP N47N Engine ECU Control Unit DDE 8576341 Manual

€61.95

Part no. 7333939

BMW F11 Control Unit Rear Tailgate Boot Lid Function Module ECU 7333939

€23.95

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BMW X5 F15 Earth Ground Cable Negative Battery Lead Wiring 8631634

€32.95

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BMW X5 X6 Series E70 E71 Cable Loom Door Front Passenger Wiring Harness 6900922

€47.95

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BMW F20 F21 F30 116d 316d N47N 116HP ECU Engine Contol Unit DDE 8578945 Manual

€66.95

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BMW Z4 E89 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9364818

€94.95

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BMW F74 Gran Coupé Headlight Lamp Right O/S Wiring Loom Harness Wire ECE 5A8E2E6

€23.95

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BMW F30 Control Module Sensor 9232063

€23.95

Part no. 8737097-1

BMW G30 G31 Tailgate Control Unit Module ECU 8737097

€28.95

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BMW 1 3 X1 Series E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6946528

€23.95

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BMW G20 G30 G11 G12 HV Accumulator Battery Positive Cable Wiring Plug 8621020

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BMW X1 F48 Dashboard Monitor Display Central Information Screen 6,5" 8803369

€170.95

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Sensor BMW F82 F80 F34 Lane Change Warning Module Master Rear Right O/S 66876893

€89.95

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BMW E90 E92 E93 M3 Battery Alternator Starter Cable Wiring 7838512

€23.95

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BMW E65 Xenon Headlight Control Module LM E6X LWR 6943285

€51.95

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BMW F30 F31 330dX N57N Engine Gearbox Module Wiring Cable Loom Harness 8518802

€42.95

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BMW F20 F21 F30 Mini F55 F56 HSD Cable HU CID Wiring Cable 8704090

€32.95

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BMW F07 GT Rear PDC Parking Distance Sensor Titan Silver - 354

€23.95

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Alternator BMW F20 LCI Mini F30 F56 F60 Alternator Generator DENSO 150A

€32.95

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BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9347914

€51.95

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BMW U10 X1 U11 X2 U12 Rear Axle Wiring Loom Harness Cable 9468396

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BMW F01 Antenna Amplifier Audio Control Module 9257364

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BMW F34 320d B47 190HP Engine Control Unit ECU Kit 8589145 Key FEM Lock Manual

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BMW X5 F15 40eX Earth Ground Cable Line Strap Battery Lead Electrical 8632641

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BMW X1 U11 F70 F74 Gran Coupé Battery Terminal Control Unit Module 9827016

€28.95

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BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 9462544

€23.95

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BMW F10 F11 X5 E70 2.0 Diesel 12V Starter Motor 8570383

€23.95

Part no. 5B65011

BMW F70 F74 G60 G61 G68 X2 U10 X1 U11 BCP Body Control Module Unit ECU 5B65011

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LED Module BMW G11 G12 G20 F90 Dashboard Illumination Control Unit 6999950

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BMW G20 G21 G30 G31 LCI G11 G12 Cell Module Connector Harness Loom Cable 8621018

€28.95

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BMW F20 F21 F30 F31 Petrol N20 Electrical Fuse Box Cover Lid Panel 8616568

€23.95

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BMW X5 F15 Front Door Wiring Loom Harness Cables Driver Side 9365802

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BMW G30 Fuel Pump Control Unit Module ECU 2.0 Petrol Hybrid 251HP 9797954

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BMW X3 Series E83 2.5i 3.0i Engine Starter Motor Positive Battery Cable 3404568

€23.95

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BMW G11 G12 G20 HV Accumulator Battery Negative Ground Cable Wiring Plug 8650793

€23.95

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BMW X1 F48 Door Wiring Cable Loom Harness Front Passenger Side N/S 8797570

€42.95

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BMW F10 F10 LCI Hi-Fi System Audio Amplifier Harman Becker 9312592

€56.95

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Comfort Control Unit BMW F06 F10 F11 F12 F13 Junction Box 9286945

€51.95

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Control Unit Box BMW F20 F21 F22 F30 F31 Cover Panel Protection 8509722

€23.95

Part no. 8639595-14

BMW F07 LCI F10 LCI F34 ECU Engine Control KIT 184 HP 220i N20 Petrol 8639595

€332.95

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BMW E60 E61 X5 E70 X6 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6926961

€23.95

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BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 Key FEM Lock Manual

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BMW G20 G21 G30 G31 LCI G11 G12 Cell Module Connector Harness Loom Cable 8621017

€23.95

Part no. 9252550

BMW F10 F12 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9252550

€94.95

Part no. 6835155

BMW 1 2 3 Series F40 F44 G20 Radio Antenna Amplifier Suppression Filter 6835155

€23.95

Part no. 9217033

Battery Cable BMW F01 F02 Positive Wiring Plus Pole Red 9217033

€28.95

Part no. 9890597

BMW G11 G12 G30 G31 G32 F93 F97 Airbag ECU Control Unit Module 9890597

€89.95

Part no. 6864206

Air Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit 6864206

€23.95

Part no. 8515754

BMW 5 Series F10 N57N Diesel Alternator 210A Valeo 8515754

€85.95

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BMW F45 X5 F15 Inverter Converter KLE Charging Module Control Unit 9456002

€303.95

Part no. 8513301

BMW F25 Engine Gearbox Module Wiring Harness Loom 35dX N57Z N57D30B 8513301

€165.95

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BMW F32 Telematics Telephone Control Unit Module Bluetooth TCB ECE 9329339

€23.95

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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6943857

€28.95

Part no. 9110621

BMW 3 Series E90 E92 LCI Suppression Filter for Antenna 9110621 652 9110621

€23.95

Part no. 9284295

BMW X1 U11 G26 F30 High Voltage Switch Safety Connector 9284295

€23.95

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BMW E90 E91 LCI Bi-Xenon Headlight Lamp Light Left N/S Harness Loom Wire 7202585

€23.95

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BMW G20 G21 G28 Rear Tail Light Lamp Inner Left N/S Harness Wire Loom 7955841

€23.95

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BMW G20 320i Fuse Relay Box Control Unit Rear Power Distribution 8715719

€42.95

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BMW X3 E83 X1 E84 Z4 E89 Wiring Harness Grommet Fastener Mount Carrier 3421485

€23.95

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BMW F30 F31 330d N57N 258HP Engine Control Unit ECU Kit DDE 8582802 FEM Key

€142.95

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Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896

€23.95

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BMW F10 LCI LED Headlight Lamp Module Control Unit 1859215

€32.95

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BMW E39 Alarm Sensor Comfort Control Module Unit ECU 55892110

€23.95

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Lane Departure Warning BMW F01 F02 LCI X4 F26 ECU Control Unit 9281718 F01

€85.95

Part no. 8795477

BMW G20 Power Distribution Box LIN Module Control Unit ECU 8795477

€37.95

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BMW G30 G31 G11 G32 GT PDC Module Parking Assist Distance Control Unit 7944003

€32.95

Part no. 8649179

BMW X5 F15 Positive Wiring Harness Cable Battery 8649179

€89.95

Part no. 9389220

BMW Mini Cooper F56 Wiring Passenger Loom Front Left N/S Door Cables 9389220

€32.95

Part no. 5A83C36

BMW F74 Gran Coupé X1 U11 Positive Battery Terminal Cable Wire B38A15P 5A83C36

€28.95

Part no. 1859213

BMW F10 LCI LED Headlight Lamp Module Control Unit 1859213

€32.95

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BMW E90 LCI Door Wiring Loom Wire Cable Harness Front Right O/S 6938213

€28.95

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BMW F01 Rear Tail Light Wiring Harness Cable Inner Left N/S 7300271

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