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 G20 High Voltage Cable Harness Loom Wire Wiring EDH Hybrid 330e B48X 9426359

€23.95

Free delivery: Nov 12 – 13

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Part no. 6932452-1

BMW E60 E61 E63 E64 Power Distribution Electrical Fuse Box 6932452

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3508099

BMW X3 SERIES E83 Wiring Loom Harness Passenger Side 3508099

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6838829

BMW F30 Harman Becker Amplifier Module Active Sound Control Unit 6838829

€123.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3405815

BMW X3 Series E83 E83N Inclination Indicator Alarm System 65753405815 3405815

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9387266

FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266

€132.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8518166

BMW E82 E88 E93 120d 320d N47 177HP Engine Control Unit ECU DDE 8518166 Manual

€189.95

Free delivery: Nov 12 – 13

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Part no. 9267517

BMW X3 F25 X4 F26 Central Gateway Module Control Unit Lear 9267517

€32.95

Free delivery: Nov 12 – 13

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Part no. 7290727

Battery Cover BMW X1 F48 X2 F39 Mini Countryman F60 Upper Panel 7290727

€23.95

Free delivery: Nov 12 – 13

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Part no. 9381114

BMW F20 F21 F30 F31 F32 Mini F56 F57 Seat Control Unit Module Heating 9381114

€23.95

Free delivery: Nov 12 – 13

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Part no. 6989105-SBG

BMW E60 MINI R50 Parking Sensor Module Unit System Silbergrau Metallic 6989105

€23.95

Free delivery: Nov 12 – 13

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Part no. 9384214

BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9384214

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7521582-2

BMW 3 X3 Z4 Series 2 E46 E83 E85 Engine Electronics Unit Box 7534922

€23.95

Free delivery: Nov 12 – 13

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Part no. 7531783-1

Blower Motor BMW E60 E63 E81 E87 E90 E91 E-Box Fan Control Unit 7531783

€23.95

Free delivery: Nov 12 – 13

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Part no. 9277202

Wiring Cable BMW F06 F12 F13 Electric Parking Hand Brake Handbrake Set 9277202

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8617551-6

BMW F30 F31 F34 F36 N20 xDrive 184HP Engine Control ECU DME 8617551 Automatic

€284.95

Free delivery: Nov 12 – 13

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Part no. 8510221-21

BMW 3 E93 LCI Engine Control Unit ECU 3.0 Diesel 204HP Automatic 8510221 Kit

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9149674

BMW 3 5 Series E60 E90 Portable DVD System Alarm Ultra Sonic Module Unit 6980090

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7586426

BMW E89 F10 F25 F26 Battery Clamp Bracket Holder 7586426

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A07600

BMW F40 Heater Air Conditioning System Control Unit Module 5A075F7

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8733504

BMW F20 F21 F22 F30 F32 FEM Module ECU Control Unit Fuse Box 8733504

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9242204

Wiring BMW F12 F13 F06 Cable Set For Electric Parking Brake Handbrake 9242204

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6968649

BMW E93 Convertible Aerial Antenna Amplifier FM/AM Left N/S 6968649

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6956744-1

BMW E81 E82 E87 E88 E90 E91 Parking Sensor PDC Sydneyblau - A19 6956744 SET X2

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8512589

BMW E81 E82 E87 LCI E88 N47S 123d 204HP Engine Unit ECU Kit DDE 8512589 Manual

€341.95

Free delivery: Nov 12 – 13

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Part no. 9289590

BMW X5 X6 E70 E71 Antenna Amplifier Module Trap Circuit 9289590

€23.95

Free delivery: Nov 12 – 13

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Part no. 5A847B3

BMW X1 U11 Battery Plus Positive Wiring Harness Cable B38X 5A847B3

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8797520

BMW F45 Door Wiring Front Passenger Door Loom Cable Wiring Harness 9389318

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8494948

BMW F40 F44 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 8494948

€32.95

Free delivery: Nov 12 – 13

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Part no. 9269902

Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9269902

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6963013

BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6963013

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9389069

BMW F20 F21 F30 F31 F32 X5 F15 X6 F16 Power Distribution Fuse Box Front 9389069

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9365213

BMW X5 F15 Door Wiring Harness Loom Rear Right O/S 9365213

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6913129

BMW E65 Door Wiring Front Driver's Door Loom Cable Wiring Harness 6913129

€23.95

Free delivery: Nov 12 – 13

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Part no. 9350003-1

Air Control Unit ECU BMW F01 LCI F07 F10 F11 F25 Module ECU 9350003

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6980089-2

BMW E60 E61 Alarm System Unit Ultra Sonic Module With Cover Grey 6980089

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9188853

BMW X5 E70 X6 E71 Battery Earth Cable Ground - Pole Lead L= 490MM 9188853

€23.95

Free delivery: Nov 12 – 13

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Part no. 8518423-1

BMW F20 F30 120d 320d N47N 184HP Engine Unit ECU Kit DDE 8518423 FEM Key Manual

€151.95

Free delivery: Nov 12 – 13

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Part no. 8584276-2

BMW 3 Series F30 F31 320d Diesel N47N 184HP ECU Kit DDE 8584276 + Key + FEM

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8381963

BMW E39 Petrol M52 523i Body Control Module 8381963

€23.95

Free delivery: Nov 12 – 13

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Part no. 6977398

BMW 5 6 Series E60 E61 E63 R55 R56 Sensor B-pillar Airbag 65776977398 6977398

€23.95

Free delivery: Nov 12 – 13

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Part no. 9345322

BMW F10 LCI ECU Body Control Module V2 Junction Box PL6 JBBFE III 9345322

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6862375

BMW F15 F16 Steering Column Control Module ECU Bracket Mount Housing 6862375

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8506444-3

BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key

€256.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9192665

BMW X3 F25 Positive Battery Clamp Point Cover Wiring Loom 9192665

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9253780

Boot Release Switch BMW F01 F02 F10 F11 LCI Auto Tailgate 9253780

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9251487-1

BMW E88 Cabrio Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487

€170.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8570933

BMW F20 F21 F30 F31 118d 318d Diesel N47N Engine ECU 8570933 Manual

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8627124

BMW X1 F48 Mini F55 F56 B37 B47 Engine Alternator Generator Denso 150A 8627124

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6920124

BMW E64 Connector Housing Adapter WIring Cable 6920124

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 969713

BMW F01 F07 Boot Trunk Lid Tailgate Lock Wiring Harness Loom Cable 969713

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6854856

BMW F10 F11 F12 EMF Module Parking Brake Unit Electric Control 6854856

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8574372-3

BMW F30 330d F32 430d N57N 258HP Engine Unit ECU Kit DDE 8574372 Key FEM

€213.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7853460

Gearbox Wiring BMW F87 M2 N55 Engine Automatic Loom Harness Cables 7853460

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7188487

BMW E93 Convertible Battery Mounting Bracket Clamp Bolt Holder Mount 7188487

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8494949

Rear Tailgate Sensor BMW F40 F44 F48 Mini F54 LCI Smart Opener Bottom 8494949

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6807395

Interface Control Module BMW F10 F20 F30 Bus Unit 120 OHM 6807395

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8570059

BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Loom Cable 18d N47 8570059

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A4A7C0

BMW G20 LCI Wiring Loom Harness Cable Front Left N/S 5A4A7C0

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8383185

BMW X5 7 Series E38 E53 Control Unit Illuminated Door Handle 8383185

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6968650

BMW 3 Series E93 E93N LCI Aerial Antenna Amplifier FM/AM Right O/S 6968650

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9390160

BMW X3 F25 LTE Compensator Phone System Holder Bracket Mount 9390160

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9143233-1

BMW E81 E87 E88 E90 E91 E92 E93 Speaker Central Bass Left N/S 9143233

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5B610A6

BMW F70 F78 F74 Gran Coupé Interior Light Control Module Right O/S 5B610A6

€156.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7649131-1

BMW F30 F31 320i N20 184HP ECU Control Unit Kit DDE 7649131 Key FEM Automatic

€417.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9380238

BMW F10 Body Gateway Control Module Unit 9380238

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A08530

Fuel Pump Control BMW G30 G12 Mini F60 Tank Function Module Unit ECU 5A08530

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6947216

BMW 3 Series E93 Convertible Rear Bumper FM Radio Aerial Antenna 6947216

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6960227

BMW E65 E66 Sensor Air Bag Front Left Door N/S Module Airbag 6960227

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9216286

BMW F20 F21 Socket Plug Wiring Loom Cable 9216286

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9143986-2

BMW E81 E82 E87 E88 E90 E91 E92 E93 Central Bass Speaker Right O/S 9204786

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2295873

BMW F30 F33 Rear PDC Sensors Wiring Loom Cable 2295873

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7811979

BMW F01 Gearbox Wiring Loom Harness Cable Electric Wire Automatic 7811979

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6812242

BMW F45 F46 Door Wiring Harness Cable Front Left N/S 6812242

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6930302-1

BMW E60 E61 E63 E64 Actuator Ventilation Motor Heater Right O/S 6930302

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6949381

BMW E65 E66 Front Door Wiring Door Cable Harness Loom 6949381

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9277894

BMW F20 Multimedia Sat Nav Heat Unit Module CD Player Radio 9277894

€417.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7599382

BMW F20 LCI F22 F30 F31 F34 F36 N55 Engine Gearbox Wiring Harness Loom 7599382

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8631727-4

Bmw X1 E84 20iX N20 184HP Engine Module Unit ECU Kit DME 8631727 Automatic

€560.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8663284-3

BMW F20 LCI F30 LCI B38 136HP Engine Control ECU Kit DME 8663284 Automatic

€503.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9247067

BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9247067

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8375964

BMW 5 7 X5 Series E38 E39 E53 Xenon Headlight Aim Control Unit Module 8375964

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8572874-1

BMW F10 F11 525d N47S1 218HP Engine ECU DDE Kit CAS4 Key 8572874 Automatic

€854.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9335300

BMW 1 Series F20 LCI Front Door Wiring Loom Harness Passengers Side 9335300

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7174403-5

BMW E92 Coupe Rear Light Lamp Plug Socket Wiring Left N/S 6984754

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7928596

BMW G05 G20 G21 G30 Stereo Sound Amplifier Module Control Unit ECU 7928596

€151.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9372744

Central Gateway BMW F01 F06 F07 F10 F11 F12 F13 Module ECU Control Unit 9372744

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9119445-1

BMW E81 E87 E90 E91 Front Power Distribution Fuse Box 9119445

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7182206-2

BMW F01 F02 F03 F04 Rear Tail Light Lamp Wiring Harness Plug Right O/S 7182206

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8574091-6

BMW F10 F11 520d N47N 184HP Engine ECU Kit Unit DDE 8574091 CAS4 + Key Manual

€170.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8510281

Engine Wiring BMW F30 F31 F32 F36 330d 430d N57N Loom Harness Cable 8510281

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6812244

BMW F45 F46 Wiring Harness Door Cable Loom Rear Right O/S 6812244

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6957807

BMW X3 E83 Amplifier For Stereo System Harman/Becker AMP 6957807

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9290357

BMW F10 F20 F22 F30 Navigation Head Unit Harman Sat Nav Unit High 9290357

€522.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A13473

BMW G20 F40 Control Unit Module Air Conditioning System 5A13473

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6938246

BMW E87 Wiring Loom Harness Set Rear Door Left Right N/O/S 6938246

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7678321

BMW X4 F26 Harness Wiring Cable Loom 7678321 767832-113

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9210120

BMW F07 GT Door Wiring Loom Cable Harness 9210120

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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