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 E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6944962

BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8512047

BMW E90 E91 LCI N47N 320d ed ECU KIT DDE CAS 3 Key 8512047 Manual

€165.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 3405815

BMW X3 Series E83 E83N Inclination Indicator Alarm System 65753405815 3405815

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6927000

BMW E63 E64 Amplifier Holder Catch Bracket Video Module 6927000

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 9231283-AZB

BMW E70 F10 F11 PDC Parking Sensor Ultrasonic Sensor Azurit Black - S34 9231283

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9157157

BMW E60 E61 E63 E64 Gateway Module Control Unit ECU 9157157

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 3428557

BMW Z4 E86 Alarm System Ultrasonic Roof Control Module 3428557

€75.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9210861

BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8513184-2

BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 Automatic

€123.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8582803-3

BMW X5 F15 N57N 258HP Engine Control Module Unit ECU DDE Kit 8582803 Automatic

€218.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9123043

BMW E81 E87 E91 LCI Steering Column Switch Cluster Wiper Stalk 9123043

€113.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7545165

BMW E87 E90 116i 316i Petrol N45 Wire Wiring Harness Engine Gearbox Mod Loom

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8570849

BMW F20 F21 F30 F31 LCI 116i 118i 318i B38 Petrol Engine Starter Motor 8570849

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6911519

BMW E65 E66 E67 Wiper Switch Stalk Steering Column Wheel 6911519

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8661796

BMW G11 G12 G20 G21 G30 G31 High Voltage Plug Cover Housing 8679679

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1439740

BMW X5 E53 Cable Starter-Base B Electrical Cable Wiring 3.0i M54 Petrol 1439740

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8865047

Bmw X1 U11 Low Voltage Wiring Harness Cable Loom 8865047

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8606445

Wiring Harness BMW F20 F21 F30 LCI Motor Sensor System Module 1 8606445

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9140942-BAR

BMW 1 3 Series E87 E90 E91 LCI Rear PDC Ultrasonic Parking Sensor Barbera Red

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8681185

BMW F40 F44 F46 X1 F48 Mini F54 F56 F57 F60 Engine Wiring Loom Harness 8681185

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9316655

Seat Wiring BMW X3 F25 X4 F26 Driver's Side Loom Cable 9316654

€28.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 9224673

BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9224673

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6924519-2

BMW E82 E88 Rear Lamp Taillight Tail Light Wiring Cable Left N/S 6984754

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9282424

BMW 3 5 Series F10 F30 Control Unit Module Top Rear Side View Camera 9282424

€170.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. TSR-152

BMW E88 Cabrio Convertible Battery Control Unit Module ECU 12V TSR-152

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8605458

Wiring BMW X1 E84 F11 N20 Engine Sensor System Module Wiring Harness 8605458

€108.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6809310

BMW F20 LCI F21 LCI F83 Telematics Communication Module Ecu Control Unit 6809310

€189.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9340524

BMW X3 F25 X4 F26 Central Gateway Module Control Unit Lear ZGW-02 4SK 9340524

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6842256

BMW X2 F39 F45 X1 F48 Active Gran Tourer Air Module ECU Control Unit 6842256

€218.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8605456

Engine Wiring BMW F21 F30 LCI F36 N20 Loom Module Harness Cable 8605456

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6921980

BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9118611

BMW Z4 E86 Hifi Audio Sound AMP Amplifier Module 9118611

€574.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8507202-2

BMW 3 Series E90 E91 LCI 318d N47N 143HP ECU Kit DDE 8507202 CAS3 Key Automatic

€218.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7851568

BMW F80 M3 F82 M4 Actuator Drive Exhaust Flap 7851568

€70.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6951079

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

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 9145097

BMW 3 5 7 X3 X5 Z4 Series E38 E39 E46 E53 E85 E83 Control Unit EWS III

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7624617-1

BMW F20 F21 F30 F31 F32 Cable Alternator Starter Base B 7624617

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9149843

BMW E81 E87 LCI E90 Hands-Free Bluetooth Module High MULF2 9149843

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8736251

BMW X4M F98 X4 G02 X3 G01 Rear Fuse Box Power Distribution Fuse Box 8736251

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7127282

BMW X5 Series E70 Rear Trunk Battery Cover Tray Storage Box 7127282 51477127282

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9113348

BMW E81 E87 LCI E90 E91 DC/DC Wandler Torque Converter Module 9113348

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 6919354

BMW E60 E61 Stereo System Central Bass Subwoofer Right O/S 6919354

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7640755-8

BMW F20 116i N13 136HP ECU Module Unit Kit DME 7640755 Key + FEM + Lock Manual

€469.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9289637

BMW F10 Rear Window Parcel Shelf Loudspeaker Speaker Left Right N/O/S 9289637

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8603352-5

BMW F20 F21 F30 N13 1.6 170HP Engine Control Module ECU DME Kit 8603352 Manual

€455.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9244144

BMW E82 E88 E92 E93 LCI Accelerating Sensor 9244144

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8582279

BMW F30 320d ed Diesel N47N 184HP Engine Control Unit ECU DDE 8582279

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9253563

BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9270355

Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9225824

PDC Module BMW E81 E82 E87 E90 E91 E92 Parking Distance Control Unit 9225824

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8375964

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6956746-MB1

BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Set x4 Monaco Blau - A35

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6920478

BMW 7 Series E65 E66 E67 Sensor Front Right Door Airbag 65776920478 6920478

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6974890-MYS

BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Mysticblau Blue - A07

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9196669

CD Changer 6 Disc BMW E81 E87 E90 E91 E92 Without Magazine 9196669

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7534921-1

BMW 3 X3 Z4 Series E46 E83 E85 Engine Control Unit Box Bottom Part 7534921

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8654977

BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8654977

€175.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 6983075

BMW F01 F07 F10 F30 LCI Fan Motor For Amplifier Control Unit Module Controller

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8507918

BMW F20 F21 N47S1 Engine Wiring Harness Injector Module Loom Cable 8507918

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6781462

BMW E60 E61 Active Steering Dynamic Drive Control Unit ECU 6781462

€275.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8576341-4

BMW F20 F21 F30 F31 118d 318d 143HP N47N ECU Kit DDE 8576341 + Key + FEM

€284.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9244422

BMW X5 E70 LCI Front Bumper PDC Loom Cables Wiring Set 9244422

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9847111

BMW G30 SME BK2 Body Control Module Unit ECU 9847111

€189.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6905639

BMW E65 E66 Japan Mobile Phone Buffer Module ECU J-buf 6905639

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6986987

BMW Z4 Series E85 Cable Loom Passenger's Door Wiring Harness 6986987 6986982

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8706502

BMW 1 3 4 Series F20 F21 F30 F31 Radio Remote Control Receiver 434 MHZ 8706502

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7567776

Starter Cable BMW E81 X1 E84 E87 E90 N52 Alternator Battery Wire B 7567776

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7794908

Preheater System Lead BMW E87 E90 E91 Diesel 7794908

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8570676

BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6775949

BMW E90 E91 E92 Longitudinal Dynamic Module Cruise Control 6775949

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8582279-4

BMW F30 320d ed Diesel N47N 163HP Engine Control Unit ECU DDE 8582279 Manual

€70.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9286789

BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9286789

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8638585

BMW F20 F21 F30 F31 LCI Cable Alternator-Starter-Base B+ 8638585

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 8652443

BMW F45 Wiring Harness Motor Sensor System Module 8652443

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7273667

BMW F30 F31 F32 Rear Tailgate Smart Opener Lower Antenna 7273667

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9276099

BMW F01 F10 Diversity Aerial Antenna Amplifier Module DAB 9276099

€35.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6864927

BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6864927

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6906914

BMW X5 E53 Battery Cable Negative Wire 6919976

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9207075

BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9207075

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8577241

BMW F30 F32 LCI 330d 335dX 430d 435dX Alternator Starter Cable B+ 8577241

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9286952

BMW X3 F25 X4 F26 Central Gateway Control Module ECU Unit 9286952

€61.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7199894-3

BMW E90 E91 LCI Front Fog Light Wiring Harness Cable Plug Right O/S 7199894

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6791131

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

€47.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6980089

BMW 5 Series E60 E61 Alarm System Unit Ultra Sonic Module 6980089

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8632692

BMW X5 F15 N20 Petrol Wiring Harness Transmission Gearbox Module Cable 8632692

€175.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8602973

Battery Cable BMW F45 Mini F54 F56 B48 Alternator Starter Wiring 8602973

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9360371

BMW X6 F16 Fuse Relay Box Control Unit Power Distribution 9360371

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7608804

BMW 1 3 Series F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7608804

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9797876

BMW X1 U11 Battery Trim Cover Mount Bracket 9797876

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6807395

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7273666

BMW F30 F31 F32 Rear Tailgate Smart Opener Upper Antenna 7273666

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9393660

BMW F10 Central Gateway Module Control Unit Lear ZGW-02 4SK 9393660

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

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