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

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

€70.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. 8631672

BMW 1 3 Series F20 F30 LCI M140i 340i Engine Gearbox Module Wiring Loom Harness

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9348358

BMW E60 Body Comfort Control Unit DDE Module ECU 9348358

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7473684

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6920472

BMW 7 Series E65 E66 E67 Sensor Vehicle Centre AIRBAG

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9198826

BMW 1 3 Series E81 E87 E90 LCI Professional Navigation System Car Computer CIC

€237.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 7616120

Alternator BMW F20 F21 F30 F31 F36 Petrol N55 Generator 210A 7616120

€66.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9290358

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

€365.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 8679817

BMW F98 Earth Ground Cable Negative Battery Lead Wiring 8679817

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6952994

Air Module BMW E60 E63 Control Unit Centre Sensor ECU 6952994

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 7540686

BMW F20 M135i F30 335i N55 326HP Engine Control Unit ECU DME 7540686 Automatic

€265.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9263948

BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9263948

€66.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9231178

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6809051

BMW F20 LCI REM Rear Electronic Module Fuse Box Control 6809051

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9381837

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6954298

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8507136

BMW E90 LCI 330d N57 245HP ECU Engine Control Unit DME Automatic Gearbox

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2622892

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

€47.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9285504-1

BMW X5 F15 X6 F16 B + Battery Power Distributor 9285504

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9231174

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

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9326404

BMW F34 Front Door Wiring Loom Harness Cable Driver Side 9326404

€32.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 8707828

BMW G20 G30 Hybrid Battery Charge Control Module Unit ECU 8707828

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8865047

Bmw X1 U11 Low Voltage Wiring Harness Cable Loom 8865047

€80.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 8586540-9

BMW X3 F25 X4 F26 X5 F15 Engine ECU Kit CAS4 30dX N57N 258HP Key Automatic

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9257494

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

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8638198-7

BMW F20 F30 116i 316i N13 136HP Engine ECU Kit DME 8638198 FEM Key Automatic

€450.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9180402

BMW E90 Front Sport Seat Lumbar Wiring Loom Harness Cable 9180402

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8577835

BMW F10 F30 330d 530d 258HP Engine Control Unit N57N ECU DDE 8577835 Automatic

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9454245

Differential Locking Module BMW F90 M5 G20 Rear Axle Control Unit ECU 9454245

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. TSR-152

BMW E88 Cabrio Convertible Battery Control Unit Module ECU 12V TSR-152

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9231283-AZB

BMW E70 F10 F11 PDC Parking Sensor Ultrasonic Sensor Azurit Black - S34 9231283

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9157157

BMW E60 E61 E63 E64 Gateway Module Control Unit ECU 9157157

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3449920

BMW X3 E83 LCI Adapter Lead Interior Lighting Rear Left Right N/O/S 3449920

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6946108

BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 6946108

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8693213-1

BMW F30 LCI 330e B48X Engine Control Unit ECU Kit DME 8693213 FEM Key Automatic

€740.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6900583-1

BMW 7 Series E65 E66 Cable Wire Power Distribution Box 6900583

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A9CA29

BMW F70 F74 F78 G60 G61 G68 G70 X2 U10 X1 U11 Rain Sensor 5A9CA29

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9157155

BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157155

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8734161

BMW G20 Power Distribution Rear Fuse Relay Box 330e B48X B48B20A 8734161

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7212594-3

BMW F10 F11 F25 Hands Free Microphone Grey 7212594

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6942547-1

BMW E87 E90 Front Seat Wire Harness Loom Electric Line Passenger Side 6942547

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6878191

Air Module BMW F01 F02 LCI F10 F11 F13 ECU ICM Control Unit 6878191

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6902265

BMW E65 E66 E67 Compact Base Support System Rear Black 6902265

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6809310

BMW F20 LCI F21 LCI F83 Telematics Communication Module Ecu Control Unit 6809310

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8626760

BMW F20 F22 F30 F31 Engine Wiring Loom Harness Cable B38 Petrol 8626760

€151.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9340524

BMW X3 F25 X4 F26 Central Gateway Module Control Unit Lear ZGW-02 4SK 9340524

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9337881

BMW 1 3 4 F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear 9337881

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7640755-8

BMW F20 116i N13 136HP ECU Module Unit Kit DME 7640755 Key + FEM + Lock Manual

€469.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7796127

BMW X5 X6 Series E70 E71 Diesel Battery Cable Starter-Base B+ 7796127

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7537612-1

BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8601248

Earth Cable BMW i3 I01 Hybrid Electric Negative High Voltage Battery 8601248

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9231180

BMW F22 F30 F32 Antenna Amplifier AM FM Booster AMP 9231180

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9273597

BMW F01 F10 F11 Audio Player Rear DVD Background ECE US Head Unit 9273597

€151.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6960221

Airbag Module BMW E65 E66 Sensor B-pillar Left N/S Control Unit Air Bag 6960221

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7533651-8

BMW E60 530i M54 231HP Engine ECU Kit Unit DME 7533651 + CAS2 + Key Automatic

€227.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9265300

BMW 1 2 Series F20 F21 F22 F23 LCi Headlight Switch Control Element Light

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6916565

BMW 5 X5 Series E38 E39 E53 Hands-free Electronics Charging Module MOTOROLA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8579482-4

BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8579482 + Key + FEM Manual

€332.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8632554

Fuse Box Cover BMW X3 G01 X4 G02 Trim Panel Lid Housing Bracket 8632554

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6867170

Air Module BMW F20 F21 F30 F31 F32 F36 ECU ICM Plus SRS Control Unit 6867170

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1543906

BMW G30 G31 X3 G01 X4 G02 G11 G32 Control Unit SAS Module ECU 1543906

€99.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6925897

BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9847111

BMW G30 SME BK2 Body Control Module Unit ECU 9847111

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A167A6

BMW G20 DAB Receiver Audio Module RP Sound System Amplifier Module 5A167A6

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A42CC4

BMW F40 F44 Alpine CD Sat Nav Head Unit High 3 5A42CC4

€332.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6781462

BMW E60 E61 Active Steering Dynamic Drive Control Unit ECU 6781462

€275.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8781328

BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 8781328

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9282424

BMW 3 5 Series F10 F30 Control Unit Module Top Rear Side View Camera 9282424

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9274023

BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9274023

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8519005-1

BMW X1 E84 18dX Diesel N47N Engine Control Unit ECU Kit DDE 8519005 CAS3 Key

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1393415

BMW 3 5 7 Series E36 E38 E90 E91 F10 F11 Change-Over Contact Relay Grey 1393415

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9286952

BMW X3 F25 X4 F26 Central Gateway Control Module ECU Unit 9286952

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9177784

BMW X5 E70 X6 E71 X6 E72 Map Fuse Box Grouping Diagram Card 9177784

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6946113

BMW E60 E61 E63 Air Module ECU Control Unit Centre Vehicle Sensor 6946113

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9211840

BMW F01 Wiring Loom Cable Harness 9211840

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9259425-3

BMW F30 F31 F80 M3 F82 M4 Positive Battery Cable Plus Pole 9259425

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7802508-1

BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9265835

Fuse Box Holder BMW X5 F15 X6 F16 Control Unit Module Bracket Carrier 9265835

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

...

Showing 1189-1287 of 6909 products