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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Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU 6799887

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A8E799

BMW G20 Radio Multimedia Satellite Navigation Head Unit 5A8E799

€284.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7843338

Engine Wiring BMW F10 M5 F13 M6 Valvetronic Servomotor Cable Loom 7843338

€37.95

Free delivery: Aug 5 – 10

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: Aug 5 – 10

If paid before 14:00

Part no. 6972064

BMW 1 3 X1 SERIES E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6972064

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9139868

BMW X3 E83 LCI X5 E70 LCI PDC Parking Ultrasonic Sensor Schwarz Black 9139868

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6809050

BMW F20 F30 Rear Electronic Module REM Fuse Box Control Unit V2 ECU 6809050

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9172019

BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module 9172019

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A1DC85

BMW G01 G08 G11 G12 Wireless Charger Console Phone Charging Module 5A1DC85

€42.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8378753

BMW 3 5 7 X5 Series E38 E39 E46 E53 E65 Reception Antenna RDC 433MHZ 8378753

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7852129

Alternator BMW F90 M5 F91 M8 S63M Petrol Engine Generator 250A Valeo 7852129

€189.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7809680

Engine Wiring BMW F10 F11 N57 N57S Loom Cable Harness Injector Module 7809680

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7634297-5

BMW F20 N13B16A 170HP Engine Control Module ECU Kit DDE 7634297 Automatic

€427.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6974890-MYS1

BMW E87 E90 E91 LCI PDC Sensor Ultrasonic Parking Mysticblau Blue Set x4

€42.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8603352-7

BMW F20 F30 116i 316i N13 136HP Engine ECU Kit DME 8625241 FEM Key Lock Manual

€569.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8573257-1

BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8573257 Automatic

€142.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9210037

BMW X1 E84 Air Conditioning Heater Loom Harness Cable Wiring N47 9210037

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9239388

BMW F10 F10 LCI HiFi Stereo Audio Sound System Amplifier 9239388

€70.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9351679

BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9351679

€142.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9895416-1

BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME 9895416 FEM Key Automatic

€284.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9470053

BMW F45 Battery Management Electronics Control Module 9470053

€51.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9878658

BMW F20 F30 F31 LCI Mini F55 F56 Compensator LTE UK Control Unit Module 9878658

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9277202

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

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6949450

BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6949450

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7561834-13

BMW E87 E90 120i 320i N46 150HP Engine Control DME Module 7561834 Automatic

€123.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7520912-1

BMW E60 E61 E63 E64 LCI Lid Cover Panel Electronic Box 7520912

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9329701

BCM Module BMW F20 F21 F30 F31 F32 Body Control Unit Module REM V2 9329701

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6791748

BMW F20 F21 F30 F31 DXC Pulse Generator Sensor Front Axle N47N 6791748

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8512047-7

BMW E90 E91 LCI N47N 320d 163HP ECU Module KIT DDE 8512047 Automatic

€142.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7856771

Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 1-4 Loom Valve Ignition 7856771

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7801203

BMW X5 E70 E87 F10 F11 F15 F25 F30 Diesel Engine Starter Motor 7801203

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A19AC3

BMW F40 ACSM5 Control Unit Air Module ECU Control Module 5A19AC3

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7627023

BMW F20 F21 F30 Petrol N13 Automatic Gearbox Engine Sensor Module 1 Wiring

€66.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6900582

BMW 7 Series E65 E66 Fuse Board Power Distribution Box

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8636064

Wiring Cable BMW F20 F30 LCI B48 Engine Injector Ignition Loom 8636064

€85.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7646814-1

BMW F10 F20 F30 LCI Alternator Generator Unit Diesel B47 7646814

€66.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9247081

BMW X1 E84 Wiring Loom Harness Passenger Side 9247081

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6799712

BMW F10 F11 ICM Management Control Unit Module DSC Brakes 6799712

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A67847

BMW F74 Gran Coupé Crash Impact Sensor Door Front Left Right N/O/S 5A67847

€37.95

Free delivery: Aug 5 – 10

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: Aug 5 – 10

If paid before 14:00

Part no. 5A0FAD6

BMW i4 G26 Hybrid Electric Earth Ground Cable Negative Battery Lead 5A0FAD6

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9496818

BMW G60 G61 G68 U10 U11 U12 Impact Crash Accelerating Sensor 9496818

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6801327

BMW X5 F15 Wiring Harness Loom Cable 6801327

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9311280

BMW X3 F25 Fan Heater Blower Unit Motor Wiring Cable Harness Loom 9311283

€33.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8650701-1

BMW F80 M3 F82 F83 M4 S55 431HP Engine Module ECU DME Kit 8650701 Automatic

€1,125.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9237082

BMW F10 F11 Cable Harness Door Driver's Side Right O/S Wiring 9237082

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6921309

BMW E65 E66 Centre Console Front Armrest Tray Cables Wiring Set 6921309

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9285275

BMW X3 F25 X4 F26 Bus Interface 60 Ohm Control Module Unit ECU 9285275

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9241330

BMW X1 E84 USB AUX-IN Socket Plug Input Connector Media Port 9241330

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8624341

BMW F30 LCI Fuse Box Fusebox Holder Support Mount Bracket Carrier 8624341

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7537612

BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6949381

BMW E65 E66 Front Door Wiring Door Cable Harness Loom 6949381

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6927706

BMW 5 6 Series E60 E63 E64 Tubing Duct Battery Cable Lead Positive Underfloor

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9167237

BMW E92 F32 E61 Seat Belt Module Control Unit LCPA ECU 9167237

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7419610-1

BMW F30 F31 LCI Headlight LED Module Insert Light Source Control Unit 7419610

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9210861

BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9359037

BMW F46 Gran Tourer 3rd Row Seat Wiring Harness Loom 9359037

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7542615

BMW 1 3 5 6 7 Z4 Series E87 E90 E60 E64 E65 E85 Power Distribution Box 7542615

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8572439-4

BMW F30 F31 N57N 330d 258HP Diesel Engine ECU Kit DDE 8572439 FEM Key Automatic

€213.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8507880

BMW 1 3 Series F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9197354

BMW X1 X3 E84 F25 Cigarette Lighter Socket With Cable 9197354

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9247386

BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9247386

€47.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8044503

BMW F06 F10 F12 F13 Fuel Injectors Wiring Loom Harness Cable 8044503

€66.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5B824D2

BMW F74 Gran Coupé Emergency Module Telematics Control Unit 5B824D2

€303.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8512292

BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Manual

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7537365

Cable Wire BMW E60 E61 E81 E87 E90 Tubing For Clamp 7537365

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6931987

BMW 7 Series E65 E66 E67 Control Unit Voice Input System Module 6931987

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7793200

BMW X5 E70 X6 E71 E90 E90N E91 E92 E93 Cable Alternator Starter 7793200

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9329345

BMW F20 F21 F30 F31 Bluetooth Telephone Control Module Unit 9329345

€113.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8387551

BMW 3 Series E46 Battery Positive Cable Fuse Box Base B 8387551

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6929726

BMW E65 E66 Front Seat Wiring Harness Loom Cable Left N/S 6929726

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9204849

BMW X5 X6 Series E70 E71 Airbag Control Module ECU Unit 9204849

€23.95

Free delivery: Aug 5 – 10

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: Aug 5 – 10

If paid before 14:00

Part no. 7634059

BMW F30 F31 F32 N20 Engine Gearbox Module Wiring Cable Loom Harness 7634059

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9312764-1

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

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9119058

BMW E81 E87 E90 E91 Airbag Control Unit ECU NO CRASH DATA 9119058

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6911922

BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6927548

BMW Z4 E85 Drive For Window Lifter Motor Front Right O/S 6927548 9116626

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9117847

PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 9117847

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9262215

BMW F01 Front Bumper Parking Sensor PDC Wiring Loom Harness Cable 9262215

€80.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6974370

Alarm System Unit BMW E60 E61 Ultra Sonic Module 6974370

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9247067

BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9247067

€99.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6974372

BMW 7 Series 7 E65 E66 E67 Ultra Sonic Module

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9361116

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

€89.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9316569

BMW X5 F15 Fuse Box Rear Relay Module Control Unit 9316569

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8383185

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

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6942550

BMW E90 Front Seat Wire Cable Harness Wiring Loom 6942550

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7631558

Engine Starter BMW F20 M135i F30 335i F32 435i F80 M3 F82 M4 Motor Start 7631558

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6814609

BMW 1 3 5 Series F10 F20 F30 Bus Interface Connector Data Terminating 6814609

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6963014

BMW E60 E61 E63 Passenger Side Door Air Module Control Unit ECU 6963014

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9228491

BMW 5 Series F10 ECU Body Control Module V2 Junction Box 61359228491 9228491

€66.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9254025

BMW 5 7 X3 X5 X6 Series F10 F11 E70 E71 F01 F02 F25 Rain Light Solar Sensor

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8574024

Engine Wiring BMW F30 F31 335dX N57Z Automatic Gearbox Cable Harness 8574024

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9855635

BMW F70 F74 U06 X2 U10 X1 U11 Battery Tray Pad Support Holder 9855635

€75.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6970889

BMW 7 Series E65 E66 E67 Sensor Vehicle Centre Airbag 6970889

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7541779

BMW Z4 E85 2.0i N46 Cable Alternator Starter Base B+ 7541779

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9347914

BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9347914

€51.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8798189-1

Basic Head Unit BMW F45 X1 F48 Mini F55 F56 Sat Navigation Radio Stereo 8798189

€218.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9315682

Body Control Module BMW F20 F21 F30 F31 F32 Comfort Unit FEM ECU LR01 9315682

€104.95

Free delivery: Aug 5 – 10

If paid before 14:00

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