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 E92 Seat Backrest Adjustment Adapter Lead Cable 6970337

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8516246

BMW F10 LCI F20 F22 F30 F32 B37 Wiring Harness Engine Glow Plug Module 8516246

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6819332

Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9280622

FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9280622

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9354290-1

BMW X1 F48 Pedestrian Protection Impact Crash Sensor Module PTS 9354290

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8570442

Engine Wiring BMW F25 F26 2.0dX B47 Loom Module Harness Cable Automatic 8570442

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7075944-2

BMW E60 E65 E70 Front Right Seat O/S Height Adjustment Drive 7075944

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9337219

BMW 3 Series F32 F82 M4 Wiring Loom Front Door Cable Passenger Side 9337221

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6857701

BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6857701

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7118854

BMW Z4 Series E85 Cable Loom Wiring Harness Rear Window Heating 7043906

€56.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 9299594

Central Gateway BMW X3 F25 X4 F26 Module Control Unit Lear ZGW-02 4SK 9299594

€62.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6864208

BMW F20 F21 F22 F30 F31 Air Module ECU ICM Control Unit 6864208

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9288373

BMW X5 F15 Door Storage Pocket Compartment Fiber Optic Front Left N/S 9288373

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9441865

Head Unit BMW F20 F21 F22 F30 F31 LCI Radio CD Player Navigation GPS 9441865

€170.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8844292

BMW X1 U11 High-Voltage Battery Module Connector Wiring Cable 8844292

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6944875

BMW E36 Z4 E85 Z3 Module Radar Burglar Alarm Sensor 6944875

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9231178

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9229007

BMW F10 Antenna Amplifier Diversity 868 MHZ 9229007

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9176878

BMW E81 Body Control Module Unit BCM ECU L2 9176878

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8576341-2

BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8509105

BMW E90 E91 E92 LCI N47N Cable Alternator Starter Base B+ 8509105

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9114215

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8580192

Glow Plug Cable BMW G20 X3 G01 B47 Wiring Harness Engine Glow Module 8580192

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6864204

ICM Module BMW F20 F21 F30 F31 Control Unit 6864204

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8518423-1

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

€151.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8579482

BMW F20 F21 116d ed Diesel N47N 116HP Engine Control ECU DDE 8579482 Manual

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8515494

BMW 5 Series F10 F11 530d N57N Cable Alternator Starter Base B+ 8515494

€31.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 5A3BC98-1

BMW G20 LCI Rear Outer Light Lamp Side Panel Wiring Cable Right O/S 5A3BC98

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6928369

BMW E60 Dashboard Solar Receiver Sensor Plug Socket Wiring 6928369

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6882780

BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6882780

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9234606

BMW X5 E70 X6 E71 Camera Based System Control Unit Module 9234606

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8639595-9

BMW F30 320iX N20 163HP Engine Unit ECU Kit DME 8639595 FEM + Key Automatic

€474.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9229294

BMW F20 F21 F22 F30 F31 F80 M3 USB Socket Plug Port Control Unit 9229294

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9117801

Battery Bracket BMW X3 G01 X4 G02 Rear Holder Mount Carrier Support 9117801

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9312764

Body Control Module BMW F10 LCI ECU Junction Box PL6 JBBFE III V2 9312764

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8577625

BMW F20 F21 116d ed N47N Engine Control Unit ECU DDE 8577625 Manual Transmission

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8581872

Engine Wiring BMW F10 F11 N57Z Diesel Gearbox Loom Module Harness 8581872

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5A22699

BMW F74 Gran Coupé Engine Computer Module Unit Mount Holder Bracket 5A22699

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8590041

BMW G30 G31 B47 Diesel Glow Heater Plug Engine Wiring Loom Cable 8589786

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6925964

BMW X3 E83 Drive For Window Lifter Motor Front Right O/S 6925964

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7615305

Engine Wiring BMW F20 F21 F30 F31 N13 Loom Module Harness Cable 7615305

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 3413934-1

BMW X3 Series E83 Rear Bumper Wiring Loom PDC Harness

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7848603-1

Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603

€113.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9150883

BMW 3 E93 Convertible Boot Trunk Lid Tailgate Wiring Loom Harness Cables 9150883

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6859714-1

BMW X5 E70 X6 E71 Air Suspension Supply Compressor Valve Control Unit 6859714

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8582280

Engine Control ECU BMW F20 F21 116d N47N 116HP DDE 8582280 Manual Transmission

€47.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9218702

Rain Sensor BMW F10 F11 Light Solar Fogging Control Unit 9218702

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9274570

BMW F20 Head Unit Navigation GPS Sat Nav Infotainment DAB High F10 F30 9274570

€113.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8490136

BMW F20 F21 F30 LCI B47 Wiring Loom Harness Engine Module 8490136

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9374507

BMW F23 REM Rear Electronic Module Fuse Box Control Unit V2 9374507

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. E93-RADIO

BMW E93 Head Unit Radio Player Navigation Control Module 5A2BF31

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6960433

BMW E60 E61 E63 E64 E90 E91 FBAS Analog Video Module Unit 6960433

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8367094

BMW E65 Fuse Box Relay Unit Control Module Connector Box 8367094

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9252549

BMW F12 Front Seat Control Unit Module Memory ECU 9252549

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6868251

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

€28.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 9270356-1

BMW F40 Mini F55 F56 Fuse Box Power Distribution Junction Relay Unit 9270356

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9845632

BMW U06 X1 U11 F74 Ping Sensor Knock Sensor 220i B38N B38A15P Petrol 9845632

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9200943

BMW 1 3 Series E81 E87 E90 E91 E92 Ultra Sonic Alarm System Module 9200943

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9123038-1

BMW E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9123038

€194.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7534921

BMW 3 X3 Series E46 E83 Engine Electronics Complete Control Unit Box 7534921

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9166783-1

BMW X5 X6 E70 E71 Rear Seat Console Entertainment DVD Display Screen 9166783

€284.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9348358

BMW E60 Body Comfort Control Unit DDE Module ECU 9348358

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5A2D542

BMW F40 Body Control Module Domain Controller Unit BDC ECU 5A2D542

€94.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 9326026

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

€142.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7810860

BMW E90 E91 E92 LCI N47N Engine Alternator Starter Cable B 7810860

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9170732

BMW X5 E70 CCC Navigation System CD Player Sat Nav Head Unit 9170732

€360.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9207913

BMW F20 F21 F22 F30 F31 F32 F33 F36 G30 Fan Motor Relay 9207913

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9151864-1

HiFi Speaker BMW X5 E70 X6 E71 X3 E83 Top HiFi Sound Unit Door Card 6949734

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9181411-2

BMW F07 GT F10 F11 Hands Free Telephone Microphone Unit Black 9181411

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9244429

BMW X6 Series E71 Rear Bumper PDC Cables Wiring Loom Set 9244429

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9206056-TS

BMW F07 GT Rear PDC Parking Distance Sensor Titan Silver - 354

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8517874-11

BMW F20 F21 F30 F31 116HP N47N Engine Control Unit ECU DDE 8517874 Automatic

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9277818

Antenna Amplifier BMW F23 Cabrio FM Radio Booster Unit Module 9277818

€61.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9267244

BMW F10 F12 F20 F30 F31 F36 Telematics Communication Box Cover Lid 9267244

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9306220

Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9156654

BMW 3 Series E93 Rear Antenna Aerial Amplifier AM/FM 9156654

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 9207416

BMW X6 E71 Map Card Fuse Box Grouping Diagram 9207416

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9285504-1

BMW X5 F15 X6 F16 B + Battery Power Distributor 9285504

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8573779-1

BMW F30 330dX 258HP N57N Control Unit Module ECU DDE 8573779 Key FEM Automatic

€308.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8574093-5

BMW F10 F30 320d 520d 163HP Engine Control N47N ECU DDE 8574093 Automatic

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9247470

BMW E90 LCI Junction Box Body Control Module Unit 9247470

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8387541

BMW X5 E39 E53 Fuse Box Housing 8 Fold Voltage Regulator Boot 8387541

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8865048

Bmw X1 U11 Low Voltage Wiring Harness Cable Loom 8865048

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7625998

BMW F20 F21 F22 F30 F31 F32 F33 Line Cable Power Distribution Module 7625998

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9252651

BMW 1 2 3 Series F20 F21 F22 F30 Radio Remote Control Receiver 868 MHZ 9252651

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6957762

BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6957762

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9346806

BMW F01 F02 F03 LCI F06 F10 F13 Antenna Amplifier Diversity 868 MHZ 9346806

€61.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9286941

BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9286941

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9387266

FEM Module BMW F23 F36 Body Control Unit ECU LR01 9387266

€132.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7583740

BMW Z4 E89 Earth Battery Cable Wiring Loom Harness Line 7583740

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9257494

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

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9326404

BMW F34 Front Door Wiring Loom Harness Cable Driver Side 9326404

€32.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 8321087-1

BMW E60 Front Seat Height Adjustment Electric Motor Actuator 0390203234 8321087

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

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