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

€23.95

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

€23.95

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€23.95

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

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

€151.95

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

€189.95

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BMW E39 Petrol M52 523i Body Control Module 8381963

€23.95

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€23.95

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

€23.95

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

€23.95

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

€256.95

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BMW X3 F25 Positive Battery Clamp Point Cover Wiring Loom 9192665

€23.95

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

€23.95

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

€170.95

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

€189.95

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BMW E64 Connector Housing Adapter WIring Cable 6920124

€23.95

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BMW E93 F33 Convertible Folding Roof Hydraulic Cylinder Left Right N/O/S 7181109

€56.95

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

€23.95

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

€23.95

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

€213.95

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

€94.95

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BMW E93 Convertible Battery Mounting Bracket Clamp Bolt Holder Mount 7188487

€23.95

Part no. 8494949

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

€42.95

Part no. 6807395

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

€23.95

Part no. 8570059

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

€66.95

Part no. 5A4A7C0

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

€23.95

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

€23.95

Part no. 6968650

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

€23.95

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BMW X3 F25 LTE Compensator Phone System Holder Bracket Mount 9390160

€28.95

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

€23.95

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

€156.95

Part no. 7649131-1

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

€417.95

Part no. 9380238

BMW F10 Body Gateway Control Module Unit 9380238

€28.95

Part no. 5A08530

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

€23.95

Part no. 6947216

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

€23.95

Part no. 6960227

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

€23.95

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BMW F20 F21 Socket Plug Wiring Loom Cable 9216286

€23.95

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

€23.95

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BMW F30 F33 Rear PDC Sensors Wiring Loom Cable 2295873

€37.95

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BMW F01 Gearbox Wiring Loom Harness Cable Electric Wire Automatic 7811979

€32.95

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

€37.95

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

€23.95

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BMW E65 E66 Front Door Wiring Door Cable Harness Loom 6949381

€23.95

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

€417.95

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

€32.95

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

€560.95

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

€503.95

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BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9247067

€56.95

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

€23.95

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

€854.95

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

€23.95

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

€23.95

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

€151.95

Part no. 9372744

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

€32.95

Part no. 7182206-2

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

€23.95

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

€170.95

Part no. 8510281

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

€113.95

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

€37.95

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

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

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BMW G20 F40 Control Unit Module Air Conditioning System 5A13473

€51.95

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

€23.95

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BMW X4 F26 Harness Wiring Cable Loom 7678321 767832-113

€23.95

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BMW F07 GT Door Wiring Loom Cable Harness 9210120

€23.95

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BMW E84 Engine Control Unit ECU N47D20D Automatic 204HP Diesel 8510593 Kit

€127.95

Part no. 8585641

Engine Wiring BMW F20 F21 F30 F31 N47N Diesel Loom Harness Cable 8585641

€23.95

Part no. 8630168

BMW 3 F30 LCI 330e Hybrid Charging Control Unit Bracket Holder Mount 8630168

€37.95

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BMW F74 Gran Coupé Pedestrian Protection Sensor PTS 5B3FDF9

€75.95

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BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490

€23.95

Part no. 9365819

BMW X5 F15 Wiring Rear Right O/S Door Harness Loom 9365819

€28.95

Part no. 9856130

BMW G42 U06 X1 U11 Antenna Amplifier Suppression Filter Aerial Diversity 9856130

€23.95

Part no. 8386674

BMW 3 5 Series E46 F30 G30 G31 Battery Cable Negative Cable Minus Cable 8386674

€26.95

Part no. 6868044

BMW F01 F02 F04 Handbrake Parking Brake Control Module Unit 6868044

€165.95

Part no. 8638198-6

BMW F20 F30 120i N13 177HP Engine ECU Kit DME 8625241 FEM 2 Keys Automatic

€484.95

Part no. 9214244

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

€23.95

Part no. 9252331

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

€23.95

Part no. 8517874-12

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

€189.95

Part no. 9315104

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

€23.95

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BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241

€32.95

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BMW G30 Engine Wiring Harness Automatic Gearbox Wire Loom 9897171

€123.95

Part no. 5A5D0D7

BMW X1 U11 Ground Minus Negative Cable Wiring Harness 5A5D0D7

€28.95

Part no. 8092583

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

€47.95

Part no. 6951674-CAR

BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Carbonschwarz Black

€23.95

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

€23.95

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

€23.95

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

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

€23.95

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Parking Sensor PDC BMW X5 E53 Front Cover Control Primed 8408383

€23.95

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

€66.95

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

€23.95

Part no. 7811232

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

€80.95

Part no. 9270356-2

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

€23.95

Part no. 6980020

BMW E63 E64 Rain Light Sensor Control Unit Module HUD 6980020

€47.95

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

€47.95

Part no. 7229688-2

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

€23.95

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

€94.95

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

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

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