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.

More information

Make

BMW E90 E91 LCI N47N 320d 184HP Engine Control ECU Kit DDE 8518269 + CAS3 + Keys

Product currently unavailable

Part no. 9207074

BMW X3 E83 Telematics Bluetooth Control Unit Module Computer 9207074

Product currently unavailable

Part no. 6942461

BMW 3 Series E91 E92 E93 Hifi Speaker Tweeter Rear 6942461

Product currently unavailable

Part no. 9159794

BMW 3 Series E93 Cabrio Airbag Control Unit Module ECU 9159794 65779159794

Product currently unavailable

Part no. 6976466

BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor 6976466

Product currently unavailable

Part no. 6836759

BMW 3 X1 F30 LCI F48 Telematics Telephone Control Module ATM ECE 3G 6809306

Product currently unavailable

Part no. 9251488

BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM3R 9251488

Product currently unavailable

Part no. 8240500

Wiring Loom Cable BMW E46 X5 E53 X3 E83 Seat Occupancy Sensor 8240500

Product currently unavailable

Part no. 7787581

BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581

Product currently unavailable

Part no. 7805585-5

BMW X5 E70 3.0d M57N2 235HP Engine ECU Kit DDE 7805585 + CAS3 + Key Automatic

Product currently unavailable

Part no. 7545877

Battery Cable BMW E60 E61 E63 E64 N62N Alternator Starter Base B+ Lead 7545877

Product currently unavailable

Part no. 9249080

BMW 1 Series E87 Footwell Light Control Module Lear FRM3R PL2 9249080

Product currently unavailable

Part no. 6983335-1

BMW E39 E46 E53 6-disc CD Multi Changer Control Unit Modul With Magazine 6983335

Product currently unavailable

Part no. 7521137-2

BMW X3 E83 E46 E60 E61 E65 Alternator Generator 150A 7521137

Product currently unavailable

Part no. 6957529

BMW E61 Body Control Module Unit ECU BCM KBM High 6957529

Product currently unavailable

Part no. 6928362

BMW E60 E61 LCI Front Bumper PDC Loom Cables Wiring Set 6928362

Product currently unavailable

Part no. 9275510

Head Unit BMW F07 GT Car Infotainment Computer Sat Nav Multimedia DAB 9275510

Product currently unavailable

Part no. 9231928

Radio Professional BMW E81 E82 E87 E88 E90 E91 E92 E93 Autoradio CD 9231928

Product currently unavailable

Part no. 1729981

BMW 5 7 X5 Series E34 E38 E39 E53 Petrol Starter Motor 1729981

Product currently unavailable

Part no. 9205962-1

BMW 3 Series E90 Radio Professional CD Audio Player Control Unit 9205962

Product currently unavailable

Part no. 9226328

BMW E90 Body Control Module Junction Box H1 PL2RR JBBFE IIIR 9226328

Product currently unavailable

Part no. 7123326

BMW E65 E66 E67 Rear Seat Headrest Adjustment Actuator Drive 7123326

Product currently unavailable

Part no. 7512079

BMW 3 Series E46 Petrol Wiring Loom Harness Engine Gearbox Module 7512079

Product currently unavailable

Part no. 9289614

BMW F10 F11 F20 F21 F30 F31 F32 Navigation DAB Head Unit High 9289614 9290361

Product currently unavailable

Part no. 9286882

BMW E92 Coupe Footwell Xenon Light Control Module Lear FRM3R PL2 9286882

Product currently unavailable

Part no. 7599881-23

BMW E60 LCI E61 LCI 320i N43 N43B20A Petrol Engine Control Unit ECU Kit 7599881

Product currently unavailable

Part no. 9266407

BMW F01 Central Gateway Module ECU Control Unit Lear ZGW-02 High 9266407

Product currently unavailable

Part no. 6929101

BMW 6 Series E63 E64 Front Central Bass Subwoofer Speaker HiFi 6929101

Product currently unavailable

Part no. 9360501-2

Distribution Fuse Box BMW F40 F48 Mini F56 Rear Electric Power Fuse Box 9360501

Product currently unavailable

Part no. 7586940-2

BMW E90 E91 325i E60 LCI 525i N53 218HP ECU Kit DME 7586940 CAS3 + Key Manual

Product currently unavailable

Part no. 7645762-1

BMW Z4 E89 sDrive 20i N20 184HP Petrol Engine ECU Kit CAS3 + Key 7645762 Manual

Product currently unavailable

Part no. 9227238

BMW E93 LCI Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9227238

Product currently unavailable

Part no. 2241239-SGM

BMW 7 E65 E66 Front Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449

Product currently unavailable

Part no. 7565300-1

BMW E87 E90 E91 118i 318i N46 129HP ECU Kit DME 7565300 + CAS3 + Key Manual

Product currently unavailable

Part no. 9221719-1

Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719

Product currently unavailable

Part no. 8733499

BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Electronic Unit FEM 8733499

Product currently unavailable

Part no. 9236518

BMW PDC E81 E87N LCI Wiring Front Bumper Parking Senors Harnes Loom 9236518

Product currently unavailable

Part no. 9200447-1

BMW E90 M-Audio System CD Player Controller Navigation Sat Head Unit 9200447

Product currently unavailable

Part no. 8506438-2

BMW E81 E87 LCI E90 E91 120d 320d N47 ECU KIT DDE 8506438 CAS 3 Key Automatic

Product currently unavailable

Part no. 7550688-2

BMW 1 3 Series E87 E90 N45 116i 316i Petrol ECU KIT DME 7550688 + CAS2 + Key

Product currently unavailable

Part no. 9119707-1

BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9119707

Product currently unavailable

Part no. 9248298

BMW E88 E93 LCI ECU Control Unit Air Module 9248298

Product currently unavailable

Part no. 9128183-1

BMW E87 Light Module ECU PL2 FRMFA 61359128183 9128183 9128223

Product currently unavailable

Part no. 6935686

BMW E87 LCI E90 Professional Navigation Connecting Cable 6935686

Product currently unavailable

Part no. 9340337

BMW Z4 Series E89 LED Xenon Footwell Light Module Control Unit ECU FRM3R 9340337

Product currently unavailable

Part no. 6945144

BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945144

Product currently unavailable

Part no. 6934058

BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6934058 6907330

Product currently unavailable

Part no. 6763811

BMW 1 3 5 6 Series E60 E81 E87 E90 E91 LCI Fuel Pump Control Unit ECU 6763811

Product currently unavailable

Part no. 7835564-3

BMW E46 M3 S54 343HP Engine Control Unit Kit ECU DDE 7835564 Manual

Product currently unavailable

Part no. 9221825

BMW E70 E71 Car Infotainment Multimedia Computer Head Unit 9221825

Product currently unavailable

Part no. 9286129

BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 9286129

Product currently unavailable

Part no. 8703399

BMW G30 F90 M5 Antenna Aerial Diversity Amplifier Unit 8703399

Product currently unavailable

Part no. 9281519

BMW F20 F21 F22 F30 F31 F32 Radio Professional CD Player 9281519

Product currently unavailable

Part no. 9118823

BMW X3 E83 Radio Navigation System CID Control Unit CD Player 9118823

Product currently unavailable

Part no. 6918816

BMW 1 3 5 6 X1 X3 X5 X6 Z4 Series Relay Change Over Contact Silent Blue 6918816

Product currently unavailable

Part no. 7169960

BMW E60 E63 E87 E90 Control Unit Sensor Fuel Pump ECU 7169960

Product currently unavailable

Part no. 6934529

BMW X3 X5 Series E53 E83 EWS III Central Locking Immobilizer Module ECU 6934529

Product currently unavailable

Part no. E90 Wiring Loom Set PDC Rear-1

BMW 3 Series 1 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete

Product currently unavailable

Part no. 8243267

BMW E46 Convertible Wiring Harness Fully Automatic Folding Top Left N/S 8243267

Product currently unavailable

Part no. 7552176-5

BMW E87 E90 118i 318i N46 129HP Engine Control Unit ECU Kit DME 7552176 CAS2 Key

Product currently unavailable

Part no. 6977724-2

BMW E87 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724

Product currently unavailable

Part no. 8571110

BMW G11 G12 G30 G31 G32 B57 Wiring Loom Harness Injection Injector Cable 8571110

Product currently unavailable

Part no. 9270385

BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270385

Product currently unavailable

Part no. 6920182-1

BMW 3 5 X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182 DAMAGE

Product currently unavailable

Part no. 8371312

BMW 3 Series E46 Relay Control Unit Module Bracket Holder 61358371312 8371312

Product currently unavailable

Part no. 8573260-3

ECU Kit BMW F20 F21 114d Diesel N47N 95HP DDE 8573260 + Key + FEM + Lock Manual

Product currently unavailable

Part no. 6938297

Flap System Motor BMW E81 E82 E87 LCI E88 Top Active Cooling Flap Unit 6938297

Product currently unavailable

Part no. 7583225-16

BMW 1 3 Series E81 E87 E90 E91 120i 320i N43 ECU Kit DME CAS3 Key 7583225 Manual

Product currently unavailable

Part no. 9153272

BMW E60 E63 LCI E65 Light Control Module LCM LM2 LMII E6X LWR

Product currently unavailable

Part no. 7640015-6

BMW E90 E91 E92 320i N43 170HP Engine Control Unit ECU DME 7640015 Automatic

Product currently unavailable

Part no. 8581253

BMW X2 F39 F40 F45 X1 F48 Integrated Supply Power Module Control Unit 8581253

Product currently unavailable

Part no. 9286157

BMW X3 F25 Light Module Control Footwell Lightning ECU Unit FRM3 9286157

Product currently unavailable

Part no. 9317872

BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9323784

Product currently unavailable

Part no. 9204842

BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9204842

Product currently unavailable

Part no. 9185139

BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9185139

Product currently unavailable

Part no. 9229878-1

BMW E87 LCI ECU Body Control Unit Module Junction Box H2 9229878

Product currently unavailable

Part no. 6962296

BMW E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6962296

Product currently unavailable

Part no. 5A37095

BMW i4 G26 Gran Coupe Electric Rear Door Wiring Harness Right Left N/O/S 5A37095

Product currently unavailable

Part no. 7805287

BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU DDE 7805287 Automatic

Product currently unavailable

Part no. 9269020

BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020

Product currently unavailable

Part no. 7567362-4

BMW E92 325i N52N 218HP ECU Control Unit Kit DME 7567362 CAS3 + Key Manual

Product currently unavailable

Part no. 7511320

BMW 3 Series E46 Petrol Cable Alternator Starter Base B+ Wire 7511320

Product currently unavailable

Part no. 9175649

BMW E81 Footwell Light Module LOW PL2 FRM II 61359175649 9175649

Product currently unavailable

Part no. 3413320

BMW X3 Series E83 Light Control Module Lear LM LWR ECE/RL 3413320

Product currently unavailable

Part no. 6952328

On Board Navigation BMW E60 E63 Display Monitor Screen 8,8" 6952328

Product currently unavailable

Part no. 9168833

BMW E60 E60N E63 E63N Body Control Module ECU Control Unit 9168833

Product currently unavailable

Part no. 7555361-3

BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual

Product currently unavailable

Part no. 7641661

BMW 1 3 5 Series F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20

Product currently unavailable

Part no. 1707017

BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017

Product currently unavailable

Part no. 8571905-4

Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch

Product currently unavailable

Part no. 9335289

BMW F20 Door Cable Harness Wiring Front Right O/S 9335289

Product currently unavailable

Part no. 8648003

BMW F20 F30 F31 LCI Earth Cable Battery Cable 8648003 12428648003

Product currently unavailable

Part no. 7952885-3

BMW F20 LCI 118i B38 136HP Engine Module Control ECU DME Kit 7952885 Automatic

Product currently unavailable

Part no. 6948689

BMW E60 E61 E63 Driver Side Door Air Module Control Unit Module 6948689

Product currently unavailable

Part no. 7568842-3

BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Automatic

Product currently unavailable

Part no. 7444684

BMW 1 3 Series F20 F21 F30 LCI Headlight Control Unit Module FLE2 7444684

Product currently unavailable

Part no. 9205279

BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9197127 9205279

Product currently unavailable

Part no. 3437180

BMW E83 Telephone Bluetooth Roof Aerial Module Control Unit 3437180

Product currently unavailable

Part no. 6832699

BMW F30 LCI 330e B48X Battery Lead Negative IBS Wire Earth Cable 6832699

Product currently unavailable

...

Showing 4753-4851 of 5969 products