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 E90 E91 E92 E93 Seat Cross Member Wiring Cable Channel Duct 6949080

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9169521

BMW E61 Centre Console Switch Cluster Control Unit ECU 9169521

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9298960

REM Module BMW F20 F21 F30 F31 F32 Body Control Unit 9298960

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9230432

BMW X5 E70 Footwell Light Control Module Unit Lear FRM3R VDM 9230432

€180.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8606777-4

BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Manual

€455.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9259468

BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9259468

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8736083

BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9205480

BMW 1 Series E82 E88 Positive Battery Lead Cable Wiring 9205480

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6938226-1

BMW E90 E90N E91 E91N LCI M3 Wiring loom rear door left right 6938225

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9315151

BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9315151

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9346566

BMW F45 F46 X1 F48 X2 F39 Negative Battery Cable Terminal Wiring 9346566

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6957348

BMW 6 Series E63 E64 F06 F12 F13 Aerial Antenna Amplifier Module Right O/S

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9274357

BMW 4 F32 Wiring Loom Harness Cable 9274357

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9124585

BMW 1 3 Series E87 E90 Front Rear PDC Ultrasonic Parking Sensor Sedonarot Red

€26.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9350003-1

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

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9389070-1

BMW F36 Fuse Box Control REM Electric Power Distribution 9389070

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7540369

BMW E46 N46 Wiring Harness Engine Gearbox Module Loom Cable 7540369

€94.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8585731

Engine Wiring BMW F30 F31 F36 N47N xDrive Automatic Gearbox Loom Harness 8585731

€75.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7634056

Engine Wiring BMW F20 F21 F30 F31 N20 Cable Loom Harness 7634056

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9231174

BMW 3 4 F30 F32 Touring Amplifier Rear Window Antenna Diversity 9231174

€23.95

Free delivery: Aug 5 – 10

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: Aug 5 – 10

If paid before 14:00

Part no. 9148016-3

BMW E90 E91 E92 Professional CCC DVD Navigation Controller Plate 9148016

€66.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6948182

BMW E60 E61 LCI Alarm System Unit Ultra Sonic Module

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9344785

BMW F33 F83 M4 Convertible Folding Top Roof ECU Control Unit CTM 9344785

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6958358

BMW 5 X5 Series E39 E53 Hands-free Electronics Charging Module MULF 6958358

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7616500

BMW E90 E91 E92 N52 N52N Engine Starter Motor Valeo 7616500

€37.95

Free delivery: Aug 5 – 10

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: Aug 5 – 10

If paid before 14:00

Part no. 9318579

BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9318579

€47.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 2383676

Battery Cable BMW F22 Negative Earth Cable Minus Electrical Wire 7625999

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9231175

Diversity Antenna Amplifier BMW F30 F32 Rear Window DAB Module Unit 9231175

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8577870

BMW X5 F15 Engine Control Module Unit ECU Diesel 8577870

€664.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8373901

BMW 5 7 X5 E38 E39 E53 Steering Column Adjuster Switch Stalk 8373901

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 2622610

Bluetooth Module BMW F10 F20 F23 F30 Teleservices GPS Telematics Control 2622610

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6912244

BMW Z4 E85 Rear Bumper Antenna Mounted Aerial Unit FM 6912244

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5B3A404

BMW X1 U11 High Voltage HV Cable Harness Wire Loom Charging Electronics 5B3A404

€474.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7636937

Ping Sensor BMW F20 F31 LCI Mini F55 F56 Engine Block Knock Sensor 7636937

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9384222

Body Module BMW X3 F25 X4 F26 Control Unit Junction Box JBBFE 3 9384222

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9274347

BMW F32 Front Door Wiring Loom Cable Passenger Side 9274347

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 0-390-201-999

BMW 5 Series E60 E61 Front Seat Backrest Adjustment Bosh 0 390 201 999

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6927000

BMW E63 E64 Amplifier Holder Catch Bracket Video Module 6927000

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7559811

Earth Ground Cable BMW E60 E61 E63 N62N 540i 550i 650i Battery Starter Wiring

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9306220

Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7843332

Engine Wiring BMW F10 M5 F12 M6 Loom Harness Injection Valve Cyl. 5-8 7843332

€113.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8373700-1

BMW E60 E63 E87 E90 E91 2X Relay Make Contact White Green Set 8373700

€24.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9438239

BMW X4M F98 A/C Air Condition Climate Control Unit ECU 9439239

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9224592-1

BMW E87 LCI Footwell Light Module Control Unit PL2 FRM3R 9224592

€80.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9297118

BMW F23 Electric Alarm Siren System Control Unit 12V 9297118

€51.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8606447

BMW F20 F21 LCI Wiring Harness Motor Sensor System Module N13 8606447

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8639595-12

BMW F30 F31 F32 328i 428i N20 245HP Engine Control ECU DME 8639595 Automatic

€222.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9270365

BMW F20 F21 F30 F31 F32 Radio Professional CD DAB Head Unit 9299268

€61.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8510221-1

BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key

€132.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8055326

BMW F80 M3 F82 M4 F83 M4 LCI Fuel Tank Heat Insulation Plate 8055326

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8514293

BMW F15 Alternator Starter Motor Battery Cable Wiire Harness Loom B+ 8514293

€42.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9111165-PB2

PDC Sensor BMW E81 E82 E87 E88 E90 E91 Ultrasonic Parking SET X4 Platinbronze

€51.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8591075

BMW X5 F15 Engine Control Unit 231HP ECU Kit Automatic Gearbox 25dX B47 8591075

€759.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9176682

BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9176682

€113.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 3428557

BMW Z4 E86 Alarm System Ultrasonic Roof Control Module 3428557

€75.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8631637

Earth Ground Cable BMW i3 I01 Battery Starter Terminal Wiring 8631637

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8509105

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

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9119355

BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module 9119355

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8510137-3

BMW F10 F11 520d N47N 184HP Engine Control Module ECU DDE 8513242 Manual

€113.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6825835

BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8570931

BMW F10 F20 F30 F32 Engine ECU Control Module Unit 184HP N47N Manual 8570931

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9242523

BMW X5 E70 Footwell Light Control Module Unit 9242523

€175.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6951079

BMW E60 525i 530i 545i Fuses Set Electrical Fuse 6951079 61146951079

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9264974

BMW E81 E82 E87 E88 E90 E91 Front Seat Control Module 9264974

€85.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8633997

Ground Line BMW G11 G12 G20 G30 G31 Battery Earth Cable Wire 8633997

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6935600

BMW E81 E82 E87 E90 E91 PDC Parking Ultrasonic Sensor Sonora Metallic 6935600

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7612860

BMW F20 F21 F30 F31 F32 Battery Holder Bracket Supporting Rail 7612860

€23.95

Free delivery: Aug 5 – 10

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: Aug 5 – 10

If paid before 14:00

Part no. 6921979

Door Module BMW E65 E66 E67 Front Door Control Unit Passenger Side 6921979

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8616810

BMW 1 2 3 4 Series F20 F21 F22 F23 F30 F31 F32 Battery Cable Connecying Line

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A0BD89

BMW F40 Power Distribution Fuse Box LIN Control Unit Module 5A0BD89

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9315096

BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315096

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7644747

BMW F10 F11 F30 Petrol N20 ECU DME Engine Control Unit Module 7644747 Manual

€398.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6943525

BMW E90 E91 E92 E93 Wiring Loom Cable Harness 6943525

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9265835

Fuse Box Holder BMW X5 F15 X6 F16 Control Unit Module Bracket Carrier 9265835

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6946108

BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 6946108

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6865245

BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6865245

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9194824

BMW Z4 E89 Convertible Roadster Air Module ECU Control Unit 9194824

€94.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9367837

Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837

€170.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9164350

BMW E63 E64 Negative Battery Cable Minus Pole IBS 9164350

€80.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7464750

Tailgate Smart Opener BMW F10 F11 X1 F48 X3 F25 Control Unit Module 7464750

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6947786

BMW E60 E61 E63 E64 Steering Column Adjuster Switch 6947786

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9118611

BMW Z4 E86 Hifi Audio Sound AMP Amplifier Module 9118611

€574.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9483018

F20 62560400

€0.00

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6926961-1

BMW E60 E61 X5 E70 X6 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6926961

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8514032

BMW X3 F25 X4 F26 Diesel B47 Alternator Starter Wiring Holder Cover 8514032

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9286863

BMW X5 Z4 Series E70 E89 Active Sound Harman Becker Amplifier Design 9286863

€42.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9362398

BMW F20 F21 F30 F31 F32 F45 Body Control Unit Module REM 9362398

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7374942

BMW F20 F21 F30 F31 Fuel Pump Control Unit Module 7374942

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8585380-1

BMW F30 330d F32 430d N57N 258HP Control Unit ECU Kit DDE 8585380 FEM Key

€284.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8586573

BMW F20 F30 LCI Wiring Harness Engine Gearbox Module 120dX 320dX B47 8586573

€156.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9243896-1

Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9138430

BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9138430

€99.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9176882

BMW E87 LCI Body Control Module Junction Box Electronics H2 9176882

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7394466

BMW F10 F11 X5 F15 LCI F32 F33 Adblue Module Control Unit ECU SCR 7394466

€75.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9252812

BMW F10 F11 F01 Fuse Box Power Distribution Junction Relay Rear 9252812

€51.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6834171

BMW G30 G31 Seat Wire Harness Cable Loom Front Left N/S 6834169 6834171

€165.95

Free delivery: Aug 5 – 10

If paid before 14:00

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