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

Find it faster

Match to your vehicle

Make

BMW E60 M5 E63 E64 M6 S85 1 Alternator Generator 170A 7834160 0986080350

Product currently unavailable

Part no. 9184207

BMW E90 E91 E92 E93 Negative Battery Wiring Cable Minus Pole IBS Adapter 9184207

Product currently unavailable

Part no. 9111718

BMW 1 3 Series E81 E87 E90 Hands-Free Electronics Charging Module MULF 9111718

Product currently unavailable

Part no. 9316655

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

Product currently unavailable

Part no. 9263804-1

BMW 1 Series E81 Footwell ECU Light Control Module MAX Kuester FRM3R 9263804

Product currently unavailable

Part no. 7853357

Engine Wiring BMW F87 M2 N55 Petrol Loom Module 1 Harness Cable 7853357

Product currently unavailable

Part no. 7515390

BMW X3 Z4 E39 E46 E60 E65 E83 E85 Petrol M54 Starter Motor 7515390

Product currently unavailable

Part no. 8380409

BMW X5 E53 Fuse Distribution Box Relay Board 6907395 8380409 6909721

Product currently unavailable

Part no. 7835218

BMW 5 Series E60 M5 S85 Battery Cable Plus Pole Positive Battery SBK 7835218

Product currently unavailable

Part no. 7797217

BMW 1 3 5 Series E60 E87 E90 E91 M47N2 120d 320d ECU Kit DDE CAS2 Key 7797217

Product currently unavailable

Part no. 6867169

Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Unit 6867169

Product currently unavailable

Part no. 8506442

BMW E81 E82 E87 LCI E88 123d Petrol N47S 204HP ECU Engine DDE 8506442 Manual

Product currently unavailable

Part no. 9475146

BMW F20 F21 F22 F23 F30 Rain Light Sensor Windscreen Wiper 9475146

Product currently unavailable

Part no. 9366338

Dashboard Wiring BMW G30 G31 Front Centre Console Loom Harness 9366338

Product currently unavailable

Part no. 9210858

BMW 5 Series F10 F11 Power Distribution Fuse Box Rear 9210858

Product currently unavailable

Part no. 8512498-1

BMW X1 E84 20dX N47 177HP Engine Control ECU Kit DDE 8512498 Automatic

Product currently unavailable

Part no. 9223385

BMW F01 F02 F04 F07 F10 F11 IBS Negative Battery Cable 9223385

Product currently unavailable

Part no. 8586168

Engine Wiring BMW F20 F21 F30 120dX 320dX N47N Loom Harness Cable Module 8586168

Product currently unavailable

Part no. 7788680-5

Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680

Product currently unavailable

Part no. 9491592-1

BMW F22 F23 F87 Rear Tail Light Lamp LED Wiring Loom Right O/S 9491592

Product currently unavailable

Part no. 9263793

BMW 1 Series E81 Footwell ECU Light Control Module Basis PL2 FRM3R Lear 9263793

Product currently unavailable

Part no. 7583740

BMW Z4 E89 Earth Battery Cable Wiring Loom Harness Line 7583740

Product currently unavailable

Part no. 8642252

BMW F80 M3 F82 F83 M4 S55 431HP Engine Unit Module ECU DME 8642252 Drivelogic

Product currently unavailable

Part no. 7811151

BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Unit DDE 7811151 Automatic

Product currently unavailable

Part no. 6923700

BMW E65 Cable Harness Door Panel Card Rear Wiring Loom 6913147

Product currently unavailable

Part no. 7807827-1

BMW 1 3 Series E87 E90 LCI 120d 320d N47 Diesel ECU Kit DDE 7807827 CAS3 Key

Product currently unavailable

Part no. 7541335-1

BMW E60 520i M54 170HP Engine Control Unit ECU Kit DME 7541335 CAS2 Key Manual

Product currently unavailable

Part no. 6905969

BMW 3 5 X5 Series E39 E46 E53 Control Unit Voice Input System Module 6905969

Product currently unavailable

Part no. 8506374-4

BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Automatic

Product currently unavailable

Part no. 7616431-2

BMW E60 E90 E91 LCI 330i 530i N53 272HP ECU Kit DME 7616431 CAS3 + Key Automatic

Product currently unavailable

Part no. 6957504

BMW 6 Z4 Series E64 E85 Sensor B-pillar Airbag Right O/S 6957504

Product currently unavailable

Part no. 1422972

BMW E39 520i M52 Automatic Gearbox ECU Control Module EGS 1422972 1422972

Product currently unavailable

Part no. 7550967

BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967

Product currently unavailable

Part no. 7511570-3

BMW X5 E53 3.0i Engine M54 231HP ECU Kit DME 7511570 + EWS + Key Automatic

Product currently unavailable

Part no. 6919275

BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 Delphi 6919275

Product currently unavailable

Part no. 6903458

BMW 7 Series E65 E66 Antenna Amplifier Diversity Module Radio Booster 6903458

Product currently unavailable

Part no. 9200821

BMW E81 E87 E90 MULF Hands-free Electronics Charging Module 9200821

Product currently unavailable

Part no. 9299268-1

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

Product currently unavailable

Part no. 9131766

Seat Wiring Cable BMW E81 E82 E90 E92 Front Right O/S Seat Loom Harness 9131760

Product currently unavailable

Part no. 8508654

BMW F10 F11 N47S1 Engine Injector Module Wiring Harness 8508654

Product currently unavailable

Part no. 6933575

BMW 7 Series E65 E66 Diversity Antenna Tuner Amplifier 6933575

Product currently unavailable

Part no. 7621178-11

BMW E81 E87 LCI E90 N43 170HP Engine Control Module ECU Kit DME 7621178 Manual

Product currently unavailable

Part no. 6918871

BMW X5 Series E53 Radio BMW Business Cassette Player 6918871

Product currently unavailable

Part no. 9897880

BMW F45 LCI 220i B48C 192HP Petrol Engine ECU DME 9897880 + BDC + Key Manual

Product currently unavailable

Part no. 7848603-1

Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603

Product currently unavailable

Part no. 8625241-4

BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8625241 + FEM + Key Automatic

Product currently unavailable

Part no. 7541335-9

BMW Z4 E85 2.2i M54 170HP Engine Control Module ECU DME 7541335 Manual

Product currently unavailable

Part no. 8506570

BMW X5 E70 X6 E71 30dX Diesel N57 245HP Engine Module ECU 8506570 Automatic

Product currently unavailable

Part no. 9436154

BMW G20 G21 Front Bumper PDC Parking Wire Harness Loom Electric Line 9436154

Product currently unavailable

Part no. 7789376

BMW 3 5 X5 Series E46 E39 E53 M57 3.0d DDE 7789376 Engine Control Unit Module

Product currently unavailable

Part no. 9267421-2

BMW E84 ECU Body Control Module Junction Box PL2RR JBBFE IIIR 9267421

Product currently unavailable

Part no. 9127768-1

BMW 5 Series E60 E61 Positive Battery Cable Plus Pole Lead 9127768

Product currently unavailable

Part no. 6961218

BMW 5 X5 Series E39 E53 Radio Business CD Player 6961218

Product currently unavailable

Part no. 6989207

BMW X3 E60 E61 E83 PDC Parking Sensor Ultrasonic Titanium Grey A36

Product currently unavailable

Part no. 6859722

BMW F02 F06 F07 F10 F11 F12 F13 VDC Rear Suspension Level Control Module 6859722

Product currently unavailable

Part no. 9197176

BMW E82 Footwell Light Module LOW PL2 FRM II 61359197176 9197176

Product currently unavailable

Part no. 8516253

Engine Wiring BMW F46 Mini F56 B47 Loom Harness Injection Valve Ignition 8516253

Product currently unavailable

Part no. 9166279

BMW E81 E87 Boardmonitor Central Information Display Screen Control Unit 9166279

Product currently unavailable

Part no. 7316142

BMW F30 Front Light Lamp Adaptive Xenon Control Unit Module LEAR 7316142

Product currently unavailable

Part no. 8517261

BMW 5 7 Series E60 E61 LCI E65 E66 Diesel M57N M57N2 Alternator 8517261

Product currently unavailable

Part no. 7823973-4

BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Unit DDE 7823973 Manual

Product currently unavailable

Part no. 9263797

BMW E81 Footwell Light Module Control Unit ECU PL2 FRM3R 9263797

Product currently unavailable

Part no. 9387257

BMW F30 FEM Body Module Control Unit 9387257

Product currently unavailable

Part no. 8377077

BMW X5 E53 3.0i Petrol Pressure Hose Compressor Condenser 8377077

Product currently unavailable

Part no. 8580307

BMW X1 E84 18dX Diesel N47N Engine Control Unit Module ECU DDE 8580307 Manual

Product currently unavailable

Part no. 9223314-1

GPS Navigation BMW E81 E90 LCI Business System Car Infotaiment Computer CIC

Product currently unavailable

Part no. 6973983

BMW E60 E81 E87 E90 Snap-in Adapter Basic Telephone NOKIA 6230I

Product currently unavailable

Part no. 7809941-2

BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 Key 7809941 Automatic

Product currently unavailable

Part no. 7792024-1

BMW E46 320d Diesel Engine M47N 150HP ECU Kit DDE 7792024 EWS3 + Keys Manual

Product currently unavailable

Part no. 9382401

BMW F30 LCI 330e Hybrid High Voltage Electronics Unit Holder Support 9382401

Product currently unavailable

Part no. 2354693-3

BMW 3 5 X3 Series 3 E46 E60 E65 E83 M54 Petrol Starter Motor 2354693

Product currently unavailable

Part no. 6944963

BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 6944963

Product currently unavailable

Part no. 6985364-1

BMW 5 Series E60 Body Gateway Module KGM HIGH LEAR 6985364 61356985364

Product currently unavailable

Part no. 7577068-1

BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 + CAS3 + Key Manual

Product currently unavailable

Part no. 9112631

BMW E60 Light Control Unit Module LM E6X MAN.LWR Lear 9112631

Product currently unavailable

Part no. 9240351-4

BMW F20 F10 F30 X5 E70 Trunk Lid Rear View Reversing Camera Backup 9240351

Product currently unavailable

Part no. 3420851-1

Boardmonitor BMW X3 E83 Central Information Display Screen 6,5" 3420851

Product currently unavailable

Part no. 7810000-1

BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + 2 Keys

Product currently unavailable

Part no. 5A44586

BMW F40 Ultrasonic Alarm System Module Control Unit 5A44586

Product currently unavailable

Part no. 7533651-2

BMW Z4 Series E85 Roadster 2.2i M54 170HP ECU Kit DME 7533651 EWS3 Key Manual

Product currently unavailable

Part no. 7568842-4

BMW E90 E91 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Manual

Product currently unavailable

Part no. 6914648

BMW X5 Series E53 Xenon Light Control Unit Module ECU LCM III MAN.LWR 6914648

Product currently unavailable

Part no. 9287535-1

Key Reading Module BMW E60 E61 E81 E87 E90 E91 CAS 3 ECU Control Unit 9287535

Product currently unavailable

Part no. 6799602

BMW F07 GT Self-Levelling Suspension Control Unit Module Bracket Holder 6792443

Product currently unavailable

Part no. 7555178

Cover BMW F13 F12 F11 Engine Control Unit ECU Box Top Cover Shield 7555178

Product currently unavailable

Part no. 9226238-1

BMW E60 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9226238

Product currently unavailable

Part no. 6927929

Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929

Product currently unavailable

Part no. 7545042-1

BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU Kit DME 7545042 CAS2 Key Automatic

Product currently unavailable

Part no. 7518709

BMW 3 5 X5 Series E39 E46 E53 Automatic Gearbox Ecu Control Unit EGS 7518709

Product currently unavailable

Part no. 8579480

BMW F10 F20 F30 120d 320d 520d N47N Engine Control Unit DDE 8579480 Automatic

Product currently unavailable

Part no. 5A0EDF6

BMW F40 Alpine Basic Head Unit Media Audio Player GPS DAB 5A0EDF6

Product currently unavailable

Part no. 9141682-2

BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9141682

Product currently unavailable

Part no. 7519721-1

BMW 3 5 7 X3 E46 E60 E61 E65 E83 M54 Alternator Generator 150A TG15C018

Product currently unavailable

Part no. 7599881-11

BMW E87 LCI E90 E91 N43 170HP Engine Control Unit ECU KIT DME 7599881 Automatic

Product currently unavailable

Part no. 9844137

BMW 1 Series F40 118i Petrol B38C 140HP ECU Kit DME 5A088E1 + Key + BDM Manual

Product currently unavailable

Part no. 6924555

BMW 7 Series E65 E66 Driver's Seat Airbag Sensor Control Unit Module

Product currently unavailable

Part no. 5A24036-1

BMW F20 F21 F30 F31 LCI F32 Navigation Sat Nav Computer Head Unit 5A24036

Product currently unavailable

Part no. 6934649

BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Becker 6934649

Product currently unavailable

Part no. 9177195

BMW E65 E66 X5 E70 X6 E71 Video TV Tuner Module Control Unit ECU 9177195

Product currently unavailable

...

Showing 6238-6336 of 6573 products