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 F06 F10 LCI F11 12 F13 Positive Battery Cable Terminal Point 9214244

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9252331

BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9252331

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8517874-12

BMW F20 F21 F30 116d 316d N47N 116HP Engine Control ECU DDE Kit 8517874 Manual

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9315104

BMW X3 F25 X4 F26 Door Wiring Harness Front Driver's Door Wiring Loom 9315104

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9326437

BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9897171

BMW G30 Engine Wiring Harness Automatic Gearbox Wire Loom 9897171

€123.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A5D0D7

BMW X1 U11 Ground Minus Negative Cable Wiring Harness 5A5D0D7

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8092583

Differential Lock Module BMW F10 M5 F80 M3 Rear Axle Control Unit ECU 8092583

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6951674-CAR

BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Carbonschwarz Black

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8636071

BMW F30 F31 F32 F36 Engine Gearbox Module Wiring Loom Harness 8636071 8635695

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7177697-3

Plug Socket BMW E61 LCI Rear Lamp Touring Trunk Lid Wiring Left N/S 6984746

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9303594

BMW Z4 E89 Anti Theft Alarm System Module Control Unit DWA 9303594

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8720724

BMW F70 U11 F74 Gran Coupé Power Distribution Fuse Relay Box Module 8720724

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8408383

Parking Sensor PDC BMW X5 E53 Front Cover Control Primed 8408383

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A0AFB9-1

BMW G20 G28 LCI LED Headlight Level Control Unit Ballast Module 5A0AFB9

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9389310

BMW F45 Door Wiring Front Driver's Door Loom Cable Wiring Harness 9389310

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7811232

BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Module Loom Cable 7811232

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9270356-2

Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270356

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6980020

BMW E63 E64 Rain Light Sensor Control Unit Module HUD 6980020

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6791131

BMW F01 ICM Module Integrated Chassis Management QL ES Control Unit 6791131

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7229688-2

Headlight BMW F21 Front Light Right O/S Xenon Headlamp Harness Loom Wire 7229688

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A57FC9-2

BMW F01 F06 F12 F12 LCI Radio Remote Control Car Key 868 MHZ 5A57FC9

€99.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6871062

BMW F01 F07 F10 F12 VDC Module Rear Suspension Level Control Unit 6871062

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9294209

BMW X3 F25 Radio CD Player Head Unit Navigation Sat Nav CIC Alpine 9294209

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7164485-1

BMW X5 E53 Rear Light Trunk Lid Boot Tailgate Lamp Wiring Cable Left N/S 6916913

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8648843

BMW F45 Mini F60 B38X High Voltage Accumulator Negative Ground Cable 8648843

€23.95

Free delivery: Nov 12 – 13

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Part no. 8379938

BMW 3 Series E46 Ultra Sonic-Module 8379938

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8577243

BMW X3 F25 Battery Cable Wire Lead Positive Alternator Starter X4 F26 8577243

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7330822

BMW F01 F02 F10 LCI G30 Front Seat Support Trim Cover Ivory White 7317453

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9128569

BMW E81 E82 E87 LCI E88 Wiring Harness Air Valve Air Flap 9128569

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6926962

BMW E60 E61 Front Seat Adjustment Switch Right O/S 6926962 6930048

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6868251

Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6868251

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7624412

BMW 1 3 Series F20 F21 F30 Cable Alternator Starter Base B Wire 7624412

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9326026

BMW F30 F31 F32 PDC Wiring Front Bumper Cable Loom Harness 9326026

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8380407-1

BMW X5 E53 Power Distribution Fusebox Cover Fuse Box 8380407

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6958446

BMW E65 E66 E67 Control Unit Door Front Passenger Side Module ECU 6958446

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7807187-1

BMW F01 E70 Alternator Generator 180A 14V Unit Elstock 28-6744 Diesel 7807187

€108.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9292647

BMW F20 F21 Body Control Module BCM FEM Unit 1.6 Diesel N47D16A 9292647

€104.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573260-14

BMW F20 F21 114d Diesel N47N 95HP Engine Control ECU Kit DDE 8573260 Manual

€180.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6932644

BMW 3 5 Series E60 E71 E90 E92 Suppression Filter Aerial Module Antenna 6932644

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9259831

BMW E93 Convertible Wiring Loom Front Door Cables Cable Passenger Side 9186668

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8489325

BMW i3 I01 94Ah Rex Hybrid Basic Control Unit Module ECU 8489325

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9253637

BMW 3 5 Series F10 F11 F30 F31 Air Control Unit Module 9253637 65779253637

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8645329

BMW F20 F21 F30 F31 LCI Alternator Generator 14V 180A 8645329

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7601354

BMW X3 F25 Dummy Grommet Electrical Wiring Cable Harness Fastener 7601354

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6822570

BMW F40 F44 Positive Battery Terminal Fuse Box 6822570

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9372556

BMW G11 Door Wiring Harness Rear Left Right Door N/O/S Wiring Loom 9372556

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6793927

BMW X5 E70 LCI ACC Active Cruise Control Module Unit Sensor 6793927

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8615581

BMW 3 F30 LCI 330e B48X Control Unit Bracket Holder Mount 8615581

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9894330

BMW G20 G22 G23 G26 G42 G87 Negative Battery Earth Cable Wiring 9894330

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9218331

BMW E93 Radio Head Unit Comand CD DVD Player Changer 9218331

€617.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6951637

BMW 1 3 SERIES E84 E90 E91 E92 SUCTION PIPE HOSE AIR CON EVAPORATOR COMPRESSOR

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7810002-1

BMW 1 Series E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE CAS 3 Key 7810002 Manual

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8727987

BMW F44 Gran Coupe Door Wiring Harness Rear Door Left Right N/O/S 8727987

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9243213

BMW X3 F25 Central Gateway Control Unit Module ECU 9243213

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9270355

Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7164445-2

BMW X5 E53 Headlight Headlamp Lamp Front Left N/S Plug Wiring Cable 7164445

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573574-1

BMW F06 F12 F13 640d N57 313HP Engine ECU DDE Kit CAS4 + Key 8573574 Automatic

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7329789-1

BMW 2 F46 Gran Tourer Lamp Tillight Plug Socket Wiring Cable Left N/S 7329789

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7843526

BMW E90 E92 E93 M3 S65 Engine Starter Motor 7843526

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9229847

BMW E70 Door Wiring Front Passenger Door Loom Cables Harness 9229847

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8720913

BMW U06 U10 U11 Front Power Distributor Box Cover Lid Housing 8720913

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9224959

Dashboard Monitor BMW X5 X6 E70 E71 Onboard Display Screen 8,8" 9224959

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8516122

Battery Cable BMW X5 F15 X6 F16 Alternator Starter Wiring Loom Harness 8516122

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8736682

BMW i3 I01 Body Domain Comfort Control Unit BDC Module ECU 8736682

€313.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9251722

BMW F20 Front Left Door N/S Wiring Loom Harness Cables 9251715

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9229899

BMW F01 F01N F02 F10 Tow Bar Trailer Towing Control Module Unit AHM 4 9229899

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8570934

BMW F20 F21 116d ed Diesel N47N 116HP ECU Engine Control Unit DDE 8570934 Manual

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6822586

BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Module Basic 6822586

€251.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7592080-5

BMW E90 E91 LCI 325i N53 218HP Engine ECU Kit DME 7592080 CAS3 Key Automatic

€560.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A3FFB5

BMW F44 Body Control Module BDC ECU 5A3FFB5

€108.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8513559

BMW X3 F25 30dX N57N Engine Module Injector Wiring Cable Loom Harness 8513559

€284.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. 9221462

BMW F01 Front Seat Control Unit Module ECU Left Temic 9221462

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 167859

BMW X5 Series E53 Widescreen Motorway and Trunk Road Unit Module 167859

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8798221

BMW F45 F46 6,5" Display Screen Central Information Navigation Monitor 8798221

€127.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9797877

BMW X1 U11 High-Voltage Battery Module Connector Unit 9797877

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9316000

BMW X5 F15 Wiring Holder Electrical Cable Loom Cover Tunnel 40eX Hybrid 9316000

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9174271

BMW F10 LCI Bluetooth Control Unit Module Bracket Holder Mount 9174271

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7643895

BMW F15 F16 Negative Battery Ground Minus Earth Cable Harness 7643896

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9120731

BMW E63 E64 Amplifier Holder Catch Bracket Video Module 9120731

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A81BC5

BMW F74 Rear Door Wiring Loom Harness Cable Left Right N/O/S 5A81BC5

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7896848

BMW 5 Series E60 M5 Battery holder Hold Down Strap Bracket 7896848 6938434

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8849403

BMW U06 X1 U11Battery Air Guide Plate Cover Trim Housing 8849403

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8626762-1

BMW F20 M435i N55 326HP Engine Control Unit ECU DME 8626762 Automatic

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573260-11

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

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8674265

BMW F20 F30 LCI 118i 318i B38A15A 136HP Engine Unit ECU DME 8674265 Manual

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6796905

BMW F01 F01N F02 F10 AHK Towing Hitch Tow Bar Control Module Unit ECU 6796905

€151.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9286024

BMW F01 F02 TV Tuner Control Unit Module ECU 9286024

€156.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9289582-1

BMW X1 E84 Display Screen Monitor On-Board CID TV Navigation System 8,8" 9289582

€146.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8366625

BMW 259 259R 259 R22 Connection Plug Relay Pink Tyco 8366625

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9315150

BMW X3 F25 Front Distribution Box Fuse Box Power Control Unit 9315150

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8844294

BMW X1 U11 High-Voltage Battery Module Connector 8844294

€132.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A23E01

BMW F44 B38C 218i Petrol Engine Control Unit ECU DME 5A23E01 Automatic

€213.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8631725-8

BMW F22 F30 F32 N20 184HP Engine Control ECU Kit DME 8631725 Manual

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A081D5

BMW F20 F30 F32 Harman Kardon Audio Amplifier Booster Module Unit 5A081D5

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6944875

BMW E36 Z4 E85 Z3 Module Radar Burglar Alarm Sensor 6944875

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9367693

BMW M5 F90 G11 G12 Power Distribution Relay Fuse Box Make Contact 9367693

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8511409

BMW F10 F11 N57N Control Unit Module Box Cover Bracket Carrier Mount 8511409

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8639595-16

BMW F30 320i N20 Engine Control Unit ECU DME 2.0 Petrol 184HP Manual 8639595 Kit

€332.95

Free delivery: Nov 12 – 13

If paid before 14:00

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