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.

More information

Find it faster

Match to your vehicle

Make

BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver-Side 6933266

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6940624

BMW E81 E87 E90 E91 E92 Ultrasonic-sensor PDC Arktis Metallic A34 6940624

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8507906

BMW 1 3 F20 F21 F30 Engine Gearbox Wiring Harness Glow Plug Module 8507906

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9321016-1

BMW F10 F11 LCI On-Board Screen Central Information Display 10,25" 9321016

€161.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9306220

Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6960308

BMW 1 Series E88 Convertible Rear Bumper FM Radio Aerial Antenna 6960308

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8515494

BMW 5 Series F10 F11 530d N57N Cable Alternator Starter Base B+ 8515494

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8507398

Glow Bracket BMW E60 E87 LCI E90 E91 E92 F10 F11 N47 Diesel Relay Plug 8507398

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7426094

BMW F83 M4 S55 Petrol Engine Fuel Pump Control Module Unit ECU 7426094

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9266838

BMW X3 F15 Can Bus Interface 120Ohm Control Module Unit ECU 9266838

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9365054

BMW F30 Wiring Harness Loom Rear Trunk Lid Boot Tailgate 9365054

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8654632

BMW F40 F44 F45 Mini Cooper F55 F56 Engine Starter Motor Positive Battery Cable

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9124583-KAS

BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor Kaschmir Silver A72 9124583

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9280186

BMW F10 F11 F01 F02 F03 LCI Air Module Control Module ECU Unit 9280186

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9251701

BMW F20 F21 F30 F32 CIC Display Screen Connecting Cable Wiring Loom Lead 9251701

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9127088

BMW E81 E90 DC/DC Torque Converter Module Wandler 9253208 9127088

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6857314

Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9148264

Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9148264

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9316569

BMW X5 F15 Fuse Box Rear Relay Module Control Unit 9316569

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 9384687

BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6951674

BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Sparkling Graphite A22

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6997612

BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 6997612

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6953467

BMW 1 3 Series E88 E93 Convertible Tel Phone Antenna Aerial 6953467

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9207075

BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9207075

€80.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6820526

Head Unit BMW F20 F21 Radio Media GPS Sat Navigation Unit 6820526

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6949450

BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6949450

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9365780

BMW X5 F15 Wiring Front Right O/S Door Harness Loom 9365780

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9170732

BMW X5 E70 CCC Navigation System CD Player Sat Nav Head Unit 9170732

€360.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6886187

Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6886187

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9247386

BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9247386

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6963014

BMW E60 E61 E63 Passenger Side Door Air Module Control Unit ECU 6963014

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7361970

BMW F10 F10 LCI Trunk Function Module Tailgate Boot Control Unit ECU 7361970

€51.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9186655

BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186655

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9243645

Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 9243645

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6911922

BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9315682

Body Control Module BMW F20 F21 F30 F31 F32 Comfort Unit FEM ECU LR01 9315682

€104.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7621178

BMW E81 E87 LCI E90 N43 120i 320i Engine Control Unit ECU DME 7621178 Manual

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9141446

BMW E93 Cabrio Convertible Hydraulic Pump Power Supply Cable 9141446

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6947817

BMW E65 E66 IDrive Control Unit Front Centre Console Module ECU 6947817

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9298961

BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9298961

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7516404

BMW E60 Cable Starter Generator Alternator B+ Base Wire Harness 7516404

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6858547

BMW X3 F25 ICM Control Unit Air Module SRS ECU 6858547

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8580165

Mini F54 F55 F56 F57 F60 B47 Wiring Harness Engine Glow Plug Module 8580165

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8614276

BMW F20 F21 F30 LCI M140i 340i Alternator Generator 180A BOSCH 8614276

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9113355

BMW E87N E90 E91 Mini Cooper R56 DC/DC Torque Converter Wandler 9113355

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7810863

Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 7810863

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8621190

BMW F20 F22 F30 LCI Electric Line Cable Power Distribution Module 8621190

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9188377

BMW F01 KaFAS Camera Front Windscreen Lane Departure Camera Module 9188377

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6974631

BMW Z4 Z3 Series E36 E85 Module Radar Burglar Alarm Sensor

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6958447

BMW 7 Series E65 Control Unit Door Rear Passenger Side Hinten Low BFT 6958447

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6837092

BMW G30 G12 Fuse Relay Box Rear Trunk Power Distribution B + Box Basis 6837092

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8570673-2

Alternator Generator BMW F07 F10 F11 FN57N N57Z Diesel Engine Valeo 8570673

€70.95

Free delivery: Sep 14 – 16

If paid before 14:00

Part no. 9348358

BMW E60 Body Comfort Control Unit DDE Module ECU 9348358

€94.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7473684

Door Cable BMW F25 F26 Right O/S Wiring Loom Harness Handle Light Lamp 7252538

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6920472

BMW 7 Series E65 E66 E67 Sensor Vehicle Centre AIRBAG

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6925945

BMW 5 Series E60 E61 Rear Left Right Door N/O/S Wiring Cable Harness Loom

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8506199-3

BMW E60 E61 LCI 520d Diesel N47 Engine ECU Kit DDE 8506199 CAS 3 + Key

€170.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9330951

Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 9330951

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9290358

Navigation Head Unit BMW F10 F11 F31 Harman Sat Nav Unit 9290358

€365.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9395173

BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9395173

€189.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8679817

BMW F98 Earth Ground Cable Negative Battery Lead Wiring 8679817

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6945147

BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 6945147

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7807802-1

BMW X5 E70 LCI X6 E71 N57 N57S Cable Alternator Starter Base B Wiring 7807802

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6998487

Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6998487

€142.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9390018

Audio Amplifier BMW F20 F21 LCI Mini F55 F56 Top Hifi Harman Kardon Unit 9390018

€313.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6952994

Air Module BMW E60 E63 Control Unit Centre Sensor ECU 6952994

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7838656

BMW 3 Series E90 E91 E92 M3 Engine Alternator Generator Valeo 180A 7838656

€61.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6837359

Air Module BMW F01 LCI F07 F10 F11 F22 F25 Control ECU 6837359

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9264636-1

BMW 1 3 4 F20 F30 F32 1 Driver Side Seat Wiring Loom Electric Harness 9339286

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9337219

BMW 3 Series F32 F82 M4 Wiring Loom Front Door Cable Passenger Side 9337221

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9177983

BMW E87 LCI Body Control Module Junction Box H2 9177983

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8574091-3

BMW F10 520d N47N 184HP ECU Kit Control Unit DDE 8574091 CAS4 + Key

€151.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8507202

BMW E90 E91 LCI 318d N47N 143HP ECU Engine Control Unit DDE 8507202 Manual

€61.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9459681

Seat Module BMW F20 F30 F32 F33 X1 F48 X5 F15 Front Control Unit ECU 9459681

€118.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6926445

BMW 5 Series E60 E61 LCI Heated Front Seat Control Module 6926445 9182128

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8643741-2

BMW X1 E83 Z4 E89 20i N20 184HP sDrive Engine Control ECU 8643741 Automatic

€208.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9231178

BMW F22 F30 F80 M3 F32 Radio Antenna Amplifier AM FM 9231178

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5A19AC3

BMW F40 ACSM5 Control Unit Air Module ECU Control Module 5A19AC3

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6809051

BMW F20 LCI REM Rear Electronic Module Fuse Box Control 6809051

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9381837

BMW X1 F48 Mini F55 F56 Air Module Control Unit ECU 9381837

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6862808

BMW F10 F11 F12 X3 F25 Electric Parking Brake Control Unit EMF Module 6862808

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6954298

BMW E81 E87 E90 E91 Adapter Lead Medium Range Loud Speakers 6954298

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 2622892

BMW 1 2 Series F20 F21 F22 F23 Control Unit Module Active Sound Design 2622892

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9286953

BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9286953

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8610484

BMW F20 F21 N13 102HP Engine Control Unit ECU Module DME 8610484 Manual

€284.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6934095

BMW 7 Series E65 E66 Door Wiring Harness Rear Right Left N/O/S

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9231174

BMW 3 4 F30 F32 Touring Amplifier Rear Window Antenna Diversity 9231174

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8576333-8

BMW F20 F30 F32 xDrive N47N 163HP Engine Control ECU Kit DDE 8576333 Manual

€165.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6951669

BMW E60 E87 E90 E91 E92 Top HiFi Logic 7 Audio Amplifier Harman Becker 6951669

€465.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9326404

BMW F34 Front Door Wiring Loom Harness Cable Driver Side 9326404

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9314399

BMW X5 F15 Front Seat Wiring Loom Harness Cable Right O/S 9314399

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8661796

BMW G11 G12 G20 G21 G30 G31 High Voltage Plug Cover Housing 8679679

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6960219

Airbag Module BMW E65 E66 Airbag A-Pillar Sensor Left N/S Control Unit 6960219

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8707828

BMW G20 G30 Hybrid Battery Charge Control Module Unit ECU 8707828

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8865047

Bmw X1 U11 Low Voltage Wiring Harness Cable Loom 8865047

€80.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6874337-1

BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6874337

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A1698201085

Mercedes W245 ECU Control Unit Sensor Air Module A1698201085

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9257494

BMW X3 F25 Stereo Radio Sat Nav Head Unit CD Player 9257494

€94.95

Free delivery: Sep 15 – 16

If paid before 14:00

...

Showing 991-1089 of 6573 products