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 X5 E53 Loudspeaker Loud Speaker Tweeter Front 65138379375 8379375

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9197354

BMW X1 X3 E84 F25 Cigarette Lighter Socket With Cable 9197354

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9259467

Fuse Box BMW X3 F25 Power Distribution Control Unit Module Front 9259467

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7316536

BMW G30 G11 G12 Sunroof Sliding Roof Drive Unit Motor Actuator

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9143823-1

BMW E88 E93 LCI ECU Air Control Unit Module Controller 9143823

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8510284

Engine Wiring Loom BMW F30 F31 F32 330d 430d N57N Gearbox Module Harness 8510284

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9178862

BMW 1 3 Series E87 E90 Hands-free Electronics Bluetooth Module MULF2 9178862

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8586572

Engine Wiring BMW F20 LCI F30 F31 B47 Automatic Gearbox Loom Harness 8586572

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. X3 E83 Rear Wiring Loom PDC-1

BMW X3 Series 1 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor

€32.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 9229007

BMW F10 Antenna Amplifier Diversity 868 MHZ 9229007

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7160897-1

BMW E53 E60 E65 E81 E87 E90 E91 Bulb Holder Turn Indicator 7160897

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6882969

BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air Module 6882969

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8512043

BMW 3 E90 E91 LCI 316d 318d N47N Engine Basic DDE 8512043 Control Unit Manual

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9362848

BMW 1 3 Series F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9261590

PDC Parking Sensor BMW F20 F21 F30 Ultrasonic Front Tiefseeblau Deep Sea Blue

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7811700-1

BMW 1 3 Series E81 E87 E90 E91 120d 320d N47 Engine Control Unit ECU DDE 7811700

€113.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9178962

BMW X5 X6 E70 E71 Power Distribution Fuse Box Battery 9178959

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9240274-2

BMW E30 E31 F01 F02 F10 F11 Top View Mirror Camera 9240274

€99.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 8378113

BMW Z4 Series E85 E86 Interior Fuse Box 8378113

€26.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9370431

BMW X1 Series F48 KaFAS Camera Assist Speed Limit Control 9370431

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9252636

BMW X1 E84 PDC Sensor Parking Control Module Unit ECU 9225822

€170.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1709317

BMW X5 E53 E60 E61 E63 E64 Petrol Engine Ping Knock Sensor 1709317

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9189906

BMW E88 E93 LCI Air Module Control Unit ECU 9189906

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6809053

BMW F20 F22 F30 Rear Electronic Module REM Fuse Box Control Unit V5 ECU 6809053

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9169521

BMW E61 Centre Console Switch Cluster Control Unit ECU 9169521

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6915061

Mini Cooper One R55 R56 R57 Power Folding Wing Mirror Module ECU Control 6915061

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9866979

BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9866979

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9120788

BMW 5 Series E60 E61 Wiring Loom Harness Passenger Side 9120785

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9228914

Radio CD Player BMW F10 F11 F13 Navigation ECE Sat Nav Head Unit 9228914

€265.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6929916

BMW E63 E64 Rear Bumper PDC Cables Set Wiring Loom Harness 6929916

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7638192

BMW F20 F21 F30 F31 N13 Petrol Engine Starter Motor Bosch 7638192

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6822602

BMW F20 F21 F30 F31 Head Unit Basic Media Navigation Headunit 6822602

€132.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7075946

BMW 5 7 Series E60 E61 E65 Front Seat Backrest Adjustment Drive Memory 7075946

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9298958

Rear Electronic Module BMW F20 REM Fuse Box Control Unit V1 9298958

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7342174

BMW X1 E84 Z4 E89 LED Xenon Headlight ECU Module 7342174 L90028076

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9261612

Ultrasonic Parking Sensor BMW F20 F21 F23 F87 PDC Black 9261612

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8583575

BMW F07 F10 F11 F12 Diesel N57 Engine Wiring Injection Wiring Harness 8583575

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6874337

BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6874337

€61.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6860962

BMW X3 F25 ECU ICM Air Module Control Unit 6860962 0265020494

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6856314

BMW 1 3 Series F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6814187-1

Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6819334

BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 6819334

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6857300

Air Module BMW F01 F02 LCI F10 F11 F13 ICM Crash Control Unit ECU 6857300

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8573258-10

Engine Control Unit BMW F20 116d F30 316d N47N 116HP ECU DDE 8573258 Manual

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9387624

BMW F20 F21 F30 Sensor Rain Light Solar Condensation 9387624

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8512499-1

BMW E81 E87 E90 E91 LCI N47 143HP Diesel ECU Kit DDE 8512499 Manual

€123.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. P0148459-IB1

Mini Cooper One 1 R50 Fuel Filler Cover Fill In Flap Indi Blue Metallic 862

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9177979

BMW E81 Body Control Module ECU L2 PL2 JBBFE II Junction Box 9177979

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6919905

BMW X5 Series E53 PDC Parking Control Module Unit PDC 6919905

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9371386

BMW 4 Series F33 F83 M4 Convertible Top Module CTM Unit 9371386

€108.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9176078

BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9176078

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8639582

BMW F20 M135i F22 M235i F30 335i N55 Engine Unit ECU DME 8639582 Automatic

€341.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6867168

BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6982976

BMW E63 E64 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 6982976

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9224177

BMW F10 F11 F12 F13 F15 F16 Air Module Sensor B-pillar Crash Unit 9224177

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7607973

BMW F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7607973

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9270501

BMW X3 E83N E70 LCI E71 PDC Parking Ultrasonic Sensor Schwarz 7687127

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6929715

BMW 1 Series E81 E87 E87N Positive Battery Lead Cable 61126929715 6929715

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9121903

BMW E81 E87 E91 Switch Cluster Steering Column Cruise Control 9121903

€70.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8379567

BMW X5 Series E53 Loudspeaker Stereo Left Front Door N/S 8379567

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9293307

BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9293307

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9181881

BMW X3 E83 Telematics Bluetooth Control Unit Module 9181881

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6911003

BMW 1 3 X1 X3 X5 X6 SERIES E81 E82 E84 E87 E88 E90 Accelerating Sensor 6911003

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7163511

Door Handle Lighting BMW E92 E93 Exterior Left N/S LED 7163511

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7616199

BMW Z4 E82 E88 E89 Battery Lead Cable Negative IBS Wire 7616199

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8572426

BMW F30 F32 LCI 335dX 435dX Engine Injector Ignition Wiring Cable Loom 8572426

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6820235

BMW F20 F30 Mini F55 F56 Control Unit Air Conditioning Module 6820235

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8574095

BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8574095 Manual

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9293279

BMW F20 F21 F30 F31 F34 GT Rain Sensor Front Windscreen Light Unit 9293279

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8579478

BMW F20 F30 F32 120dX 320dX 420dX Diesel N47N 184HP ECU Unit DDE 8579478 Manual

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9257098

BMW F10 F11 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9257098

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8636066

Valvetronic Wiring BMW F20 F30 LCI B48 Petrol Engine Actuator Cable Loom 8636066

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9326204

BMW X3 F25 B+ Distribution Box Battery Power Front Control Unit Point 9227458

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6970675

BMW X5 E70 Front Bumper PDC Wiring Loom Cable Harness 6970675

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6855558

BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6855558

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9343317

Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 9343317

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7411595

BMW F10 F20 F30 Control Unit For Fuel Pump Module 7411595

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9117831

Negative Battery Lead BMW F45 F46 X1 F48 IBS Minus Pole Cable 9117831

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6807487

Fuse Box BMW G20 X3 G01 Power Distribution Control Unit Module Front 6807487

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9186170

BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9186170

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6850783

BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6850783

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9282420

BMW 1 3 5 Series F10 F20 F30 Reversing Camera Rear View Control Unit 9282420

€75.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9273671

BMW 4 F33 Cabrio Convertible DAB Digital Radio Aerial Antenna Amplifier 9273671

€75.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9259425

BMW F30 F31 F80 M3 F82 M4 Positive Battery Cable Plus Pole 9259425

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9377150

BMW 1 Series F20 Bluetooth Control Module Unit TCB ECE 9377150

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7199819

Roof Module BMW Z4 E85 Roadster Cabrio Convertible Folding Top 7199819

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7608801

Valve Cable BMW F20 F21 F30 F31 Petrol N13 Valve Tronic Wiring Harness 7608801

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9280186-1

BMW F10 F11 F30 F01 F02 LCI Air Control Module ECU Unit 9280186

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6982652

BMW 1 Series E82 E88 Positive Battery Lead Cable Wire 61126982652 6982652

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9204526

BMW E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9204526

€108.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8682893

BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8644504

€75.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6998485

Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Module Control Unit ECU 6998485

€89.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8513157

Battery Electric Cable BMW F45 F48 Mini F56 F60 Alternator Starter Motor 8513157

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9341078

Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9341078

€99.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6809374

BMW F01 F07 F10 F11 F12 F25 CAS4 Module Control Unit Key Reading 6809374

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9337807

Door Speaker BMW F15 F16 Front Rear Loudspeaker HiFi Audio Speaker 9337807

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9267466

BMW F10 Body Control Module Junction Box V2 PL2 JBBFE III Lear ECU 9267466

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

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