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 F80 F82 F91 F92 Trunk Boot Lid Automatic Smart Openning Sensor 7848839

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9294912-2

BMW F10 X5 F15 Rear Seat Compartment Screen Display 9,2" Surround Trim 9294912

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9361116

BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9361116

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6991400

BMW I4 G26 High Voltage Battery Inverter Control Jump Start Unit 6991400

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9381320

BMW F45 Mini F55 F56 Head Unit Basic Media DAB Headunit 9381320

€218.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9233009

BMW F33 F83 M4 Convertible DWA-Alarm System Module Unit ECU 9233009

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9316568

BMW X5 F15 X6 F16 Front Fuse Box Relay Module Control Unit 9316568

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6932452

BMW 5 6 Series E60 E61 E63 E64 Power Distribution Electrical Fuse Box 6932452

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9234424

BMW F10 F11 Fuse Box Power Distribution Control Unit Box Rear 9234424

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9325884

BMW F36 Door Cable Front Driver's Door Wiring Loom Harness 9325884

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7835892

BMW 5 6 Series E60 E61N M5 E63 M6 Cable Starter Base B+ Engine Battery 7835892

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7571510-5

BMW Z4 E85 Roadster 2.5i N52 177HP Engine Control Unit ECU DME 7571510 Manual

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A47298

BMW F74 Gran Coupé Power Distribution Box LIN Module 5A47298

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6913729

BMW X5 Series E53 Rear Left Right Door N/O/S Wiring Cables Harness Loom 6913729

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6929762

BMW E60 E61 E63 E64 Battery Positive Terminal Cover 6929762

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6938591

BMW E82 Pipe Hose Line Tube 6938591

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7505513

BMW X5 SERIES E53 4.4i 4.6is 4.8is Cable Alternator Starter Base B

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7316218

Headlight Module BMW F01 F02 LCI Xenon Headlamp Control Unit Lear TMS 7316218

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8387547

Fuse Box Base BMW X3 E83 Mini R50 R53 Battery Positive Cable B 8387547

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7810950-1

BMW E60 E61 LCI 530d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 + Key Automatic

€279.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6924519-2

BMW E82 E88 Rear Lamp Taillight Tail Light Wiring Cable Left N/S 6984754

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9290995-1

BMW F30 F31 F34 GT Radio Head Unit Radio Professional Nav DAB CD Player 9310464

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8580308-2

BMW X1 E84 20dX N47N 184HP Engine Control Module ECU DDE Kit 8580308 Automatic

€237.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6970889

BMW 7 Series E65 E66 E67 Sensor Vehicle Centre Airbag 6970889

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9294912-1

BMW F10 F11 X5 F15 X6 F16 Rear Seat Compartment Screen Display 9294912

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8592700

Glow Plug Wiring BMW F48 Mini F57 Wiring Harness Engine Module 8592700

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6925330-1

BMW E87 E87 LCI E90 E91 E92 Central Bass Speaker Stereo Audio Right O/S 6925330

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7576719-3

BMW E90 E91 E92 E93 523i N53 190HP ECU Engine Module SET DME 7576719 Automatic

€389.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9381581

BMW i3 I01 IBS Cable Negative Battery Lead Wiring Harness Control Unit 9381581

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9139899

BMW F07 F10 LCI F06 F12 F13 MMI Multimedia CD Player Reader Head Unit 9139899

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6927310

BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927270

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8574380

BMW F10 520d N47N 184HP Engine Control Unit ECU DDE 8574380 Automatic

€99.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A323C8

BMW F40 Fuse Relay Power Distribution Box Unit 5A323C8

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8602973

Battery Cable BMW F45 Mini F54 F56 B48 Alternator Starter Wiring 8602973

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573260-4

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

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7542934

BMW E60 E61 E65 N62N Petrol Alternator Generator 180A 7542934

€170.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7540203

BMW X5 Series E70 Control Unit DME Module Emergency Release Lock 7582630

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5B3E981

BMW F70 F74 F78 Battery Negative Minus - Earth Lead Cable Wiring 5B3E981

€104.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8364542

BMW E46 X3 E83 Power Distribution Fusebox Cover Fuse Box 8364542

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8517862-15

BMW F10 F20 F30 F32 Engine Control Unit Diesel N47N 184HP xDrive ECU DDE 8517862

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6810512

BMW F30 Negative Battery Lead Cable Wiring 6810512

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7806981-1

BMW X3 E83 LCI Engine Control ECU Kit + Key + EWS 3.0sd M57N2 Auto 285HP 7806981

€450.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6853752

BMW E60 E81 E87 Mini R60 Xenon Headlight Level Sensor Rear Right O/S 6853752

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9153418-2

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7634063

Gearbox Wiring BMW F10 F11 520i 528i N20 Automatic Engine Loom Harness 7634063

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9216273-1

Auto Radio BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9176832

BMW 5 6 Series E60 LCI E63 CHAMP Business System Controller CD Player 9176832

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6907329

BMW E65 Door Cable Guide Rear Left N/S Wiring Loom Bracket Trim Cover 6907329

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9366339

BMW G32 GT Door Wiring Harness Loom Cable Rear Left Right N/O/S 9366339

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6954871-1

BMW E87 E87 LCI E90 E91 E92 Stereo Audio Central Bass Speaker Left N/S 6954871

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1382566

BMW E61 E60 E63 E64 X3 E83 E46 Socket Housing 15 Pin Adapter Wiring 1382566

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9237709

BMW F20 F21 Interior Door Lightning LED Control Module Unit 9237709

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9203304

BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9207857

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1378238

BMW E60 E63 E87 E90 E91 Relay Make Contact Orange 1378238

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9205476

BMW 1 Series E81 E87 LCI Positive Battery Lead Distribution Box Cable Rear

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6865300

BMW F20 F22 F30 F32 F36 Air Module Control Module ICM Plus Unit 6865300

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9267465

BMW F01 Body Control Module ECU Junction Box V5 PL6 JBBFE III Lear 9267465

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8680374-2

BMW F40 F44 Gran Coupé X1 F48 F56 Alternator Generator 14V 180A DENSO 8680374

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9855631

BMW U06 U10 U11 F70 F74 Battery Tray Clamping Mount Holder Retainer 9855631

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8642682

BMW 3 Series F30 LCI 330e Negative Earth Cable High Voltage Battery 8642682

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8589145-19

BMW F36 190 HP 420d B47 Engine Control Unit ECU KIT Diesel 8589145 Automatic

€560.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9193758

Dashboard Monitor BMW E60 E63 E90 E91 LCI Dash Display Screen 6,5" 9193758

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9199491

BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Left N/S 9199491

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A088E6

BMW G20 Engine Control Unit ECU 258 HP 330i B48D 5A088E6 Automatic

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9289374

BMW X5 X6 F15 F85 F16 F86 Front Battery Fuse Box Positive Distribution Terminal

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9289587

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9225830

BMW F07 Right O/S Central Bass Loud Speaker Stereo System Unit 9164582

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9274369

BMW F34 GT Front Passenger Side Door Wiring Loom Cable Harness 9274369

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9322056-2

BMW X5 F15 X6 F16 Battery Cable Positive Plus Pole Distribution Wiring 9322056

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8576333-9

BMW F20 F30 F32 X3 F25 N47N 143HP Engine Control Module ECU DDE 8576333 Manual

€165.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9827018

BMW F70 F74 Gran Coupe B+ Power Distributor Junction Box 850-1000W 9827018

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8605144

BMW F20 F21 LCI F23 F30 F32 F33 Engine Wiring Loom Harness Cable 8605144

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8605456

Engine Wiring BMW F21 F30 LCI F36 N20 Loom Module Harness Cable 8605456

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9145401

BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6855950

BMW F01 F07 F10 F12 VDC Suspension Level Control Unit Module 6855950

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8572439-5

BMW F02 N57N 730Ld 258HP Diesel Engine ECU Kit DDE 8572439 FEM Key Automatic

€213.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8645325

Alternator BMW F20 F21 F30 F31 LCI F32 F33 F34 Petrol Engine Unit 180A 8645325

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9297282-1

BMW E63 E64 Battery Power Cable Lead Positive Underfloor Red 9297282

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7804127

BMW E60 E61 LCI 520d Cable Alternator Starter Base B 7804127

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6985748

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6963651

Alarm Module BMW E81 E84 E87 E90 Ultra Sonic System Sensor 6963651

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8691844

Mini F55 F57 F60 BMW F48 F49 Engine Control Module Unit ECU 8691844

€379.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9284294

BMW G20 G21 G28 X1 U11 Battery Cut Off Disconnect Socket High Voltage 9284294

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8577835-2

BMW F01 LCI N57N 258HP Engine Control Unit ECU DDE 8577835 Automatic

€313.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9269816-1

BMW E82 Footwell Light Module Control Unit ECU FRM3R PL2 9269816

€218.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9277812

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

€67.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7575438

BMW E90 E91 E92 E93 F10 F11 Wiring Harness Valve Pressure Sensor N53 7575438

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5B702D3

BMW F74 Gran Coupé Fuel Pump Module Control Unit 5B702D3

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6952987

BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6952987

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A52C23

BMW X1 U11 Electric Wiring Harness Cable 5A52C23

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9390501

BMW 3 4 Series F31 F32 F80 M3 F82 M4 LCI USB Charger Adapter Socket 9390501

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8580308

BMW X1 E84 20dX Diesel N47N 184HP Engine Control Unit ECU DDE 8580308 Manual

€132.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9384218

BMW F01 F07 F12 F13 Body Control Module BCM Junction Box Electronics 9384218

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9225831

BMW F07 Left N/S Central Bass Loud Speaker Stereo System Unit 9164581

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7559811

Earth Ground Cable BMW E60 E61 E63 N62N 540i 550i 650i Battery Starter Wiring

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8672239-2

BMW F10 M5 F12 F13 M6 S63N 560HP Engine Control Unit ECU 8672239 Automatic

€522.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A98AC9

BMW F74 Steering Gear Rack Wiring Loom Harness Cable 5A98AC9

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7805808

Cooling Water Pump BMW E46 E60 E61 E87 E90 E91 Mechanical Coolant 7805808

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3403208

BMW X3 Series E83 Ultrasonic Alarm System Module Control Unit 3403208

€33.95

Free delivery: Nov 12 – 13

If paid before 14:00

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