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 E82 E90 LCI Trunk Shelf Left Right Speaker Tweeter Harman Kardon 9217912

Product currently unavailable

Part no. 1308310406

BMW F46 Light Control Module Unit Basis 1308310406

Product currently unavailable

Part no. 6976157

BMW E60 E61 Driver's Side Door Air Module Control Unit Module 6976157

Product currently unavailable

Part no. 9246503

Radio BMW E81 E87 E90 E91 E92 LCI CD Professional DAB 9246503

Product currently unavailable

Part no. 8802918

BMW F20 F30 Mini F55 F56 Radio Remote Control Receiver 434 MHZ 8802918

Product currently unavailable

Part no. 7641659

Engine Wiring BMW F10 F20 F30 N20 125i 328i 528i N20 Harness Module 7641659

Product currently unavailable

Part no. 6977723

BMW E87 Light Module Control ECU Unit LCM Footwell Module PL2 FRMFA 6977723

Product currently unavailable

Part no. 9381299

BMW F20 F21 F30 F31 Business Navigation Sat Nav Head Unit Player 9365833

Product currently unavailable

Part no. 6929689

BMW Z4 Series E85 Hifi System Amplifier Speaker System Unit 6929689

Product currently unavailable

Part no. 9249081

BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081

Product currently unavailable

Part no. 6926795

BMW 7 Series E65 Battery Cable Plus Pole 6926795 61126926795

Product currently unavailable

Part no. 6956505

BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505

Product currently unavailable

Part no. 7799470-1

Wiring Bracket BMW E60 E61 X3 E83 Diesel Engine Harness Cable Loom Mount 7799470

Product currently unavailable

Part no. 6939655

BMW E60 E61 E63 E64 Micro Power Control Module MPM ECU 6939655

Product currently unavailable

Part no. 6774206

Active Cruise Control BMW E90 E91 E92 LCI Longitudinal Dynamic Module 6774206

Product currently unavailable

Part no. 8372204

BMW X5 Series E53 Control Element Light Switch 61318372204 8372204

Product currently unavailable

BMW X3 E83 Steering Control Module Unit Servo SVT Servotronic 3404171

-9%

Part no. 3404171

BMW X3 E83 Steering Control Module Unit Servo SVT Servotronic 3404171

Product currently unavailable

Part no. 9131710

BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710

Product currently unavailable

Part no. 1740374

BMW E34 E36 E39 E46 Starter Motor 1,4KW BOSCH 1740374

Product currently unavailable

Part no. 6778966

BMW X5 E70 Air Suspension Supply Control Unit Module ECU 6778966

Product currently unavailable

Part no. 9203082

BMW E60 E63 E65 Adaptive Light Control Unit Module LM E6X AHL 9203082

Product currently unavailable

Part no. 6968832

BMW E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 6968832

Product currently unavailable

Part no. 6942638

BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6942638

Product currently unavailable

Part no. 8744992

BMW F40 F44 F45 F46 Gearbox Mechatronic Wiring Harness Cable GA8G45AW 8744992

Product currently unavailable

Part no. 6950374

Door Cable BMW E65 Loom Rear Right O/S Wiring Harness 6950349

Product currently unavailable

Part no. 8595284

Engine Wiring BMW F20 F30 LCI 118d 318d 120d 320d B47 Loom Harness Cable 8595284

Product currently unavailable

Part no. 9324784

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324784

Product currently unavailable

Part no. 6989163

BMW 7 Series E65 E66 E67 PDC Parking Ultrasonic Sensor Toledoblau 6989163

Product currently unavailable

Part no. 9118101

BMW 1 Series E81 E82 Driver Side Offside O/S Door Wiring Loom Harness 9118101

Product currently unavailable

Part no. 9196929

Seat Control Module BMW E60 E61 ECU Seat Controller Unit Module 9196929

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. 7501690-1

BMW 3 5 7 X5 E38 E39 E46 E53 M54 Engine Generator Alternator 120A

Product currently unavailable

Part no. 7571510-1

BMW Z4 Series E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual

Product currently unavailable

Part no. 8792232

BMW X1 F48 Mini F55 F56 LCI B+ Junction Terminal Power Distribution Box 8792232

Product currently unavailable

Part no. 7067801

BMW E46 E64 Front Seat Module Control Unit Memory 7067801

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. 9303546

BMW F10 F20 F30 F31 Body Module Control Unit FEM 9303546

Product currently unavailable

Part no. 8371312

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

Product currently unavailable

Part no. 6929148

BMW E63 E64 Front Bumper PDC Loom Cables Wiring Set 6929148

Product currently unavailable

Part no. 9143121-1

BMW E81 E87 E90 E91 E92 E60 E61 Loudspeaker Speaker Logic7 L7 HiFi Audio 9143121

Product currently unavailable

Part no. 9118469

BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469

Product currently unavailable

Part no. 8386708

BMW X5 Series E53 Xenon Headlight Ballast Control Unit Module Hella 8386708

Product currently unavailable

Part no. 9176685

Navigation System BMW X3 E83 Z4 E85 Mini R50 R52 DVD GPS Computer Unit

Product currently unavailable

Part no. 9286887

BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU Lear FRM PL2 9286887

Product currently unavailable

Part no. 9283653

Front Apron BMW F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9283653

Product currently unavailable

Part no. 9364552

Seat Wiring BMW F45 X1 F48 Mini F55 F56 Passenger's Side Sensor Cable 9364552

Product currently unavailable

Part no. 6973036

BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 Cigarette Lighter Socket 6973036

Product currently unavailable

Part no. 6904905

BMW E65 E66 Battery Cable Positive Plus Pole 6904905

Product currently unavailable

Part no. 9394669

BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9394669

Product currently unavailable

Part no. 7115655-LMB

BMW X3 E60 E61 E83 Front PDC Parking Distance Sensor Le Mans Blau - 381

Product currently unavailable

Part no. 9231093

BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9231093

Product currently unavailable

Part no. 6943771

BMW 1 Series E87 CAS2 ECU Control Unit Key Reading Module 6943771

Product currently unavailable

Part no. 6948729

BMW 5 Series E60 Wiring Switch Engine Hood Bonnet Cable 6948729 61126948729

Product currently unavailable

Part no. 9313607

BMW 3 4 Series F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9260019

Product currently unavailable

Part no. 8581370

BMW 1 Series F40 MINI F56 F57 F60 Control Unit Box 8581370

Product currently unavailable

Part no. 9116725

BMW E81 E87 E90 MULF Hands Free Electronics Charging Module 9116725

Product currently unavailable

Part no. 7510638

BMW X5 E53 E60 E65 Integrated Relay Power Supply Module 7510638

Product currently unavailable

Part no. 6954776

BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776

Product currently unavailable

Part no. 7848603

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

Product currently unavailable

Part no. 7789980

BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980

Product currently unavailable

Part no. 6968836

BMW 1 Series e81 BODY CONTROL MODULE L2 61356968836 6968836

Product currently unavailable

Part no. 9130764

BMW E65 E66 CD Audio System Controller Player 9130764

Product currently unavailable

Part no. 7532878

BMW X5 E53 E60 E61 E63 E65 E70 Valvetronic VVT Control Unit Module 7532878

Product currently unavailable

Part no. 6822582

BMW 3 Series F30 Head Unit Basic Media Navigation Headunit 6822582

Product currently unavailable

Part no. 9292707

BMW X5 E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9292707

Product currently unavailable

Part no. 7587465

IBS Cable BMW E93 Negative Battery Lead Wiring Harness Control Unit 7587465

Product currently unavailable

Part no. 9452468

BMW F90 M5 F92 M8 G11 G15 G20 G29 G30 G32 Fuel Pump Control Unit Module 7461741

Product currently unavailable

Part no. 9321016

On-Board Screen BMW F10 F11 LCI Central Information Display 10,25" 9321016

Product currently unavailable

Part no. 9215954-1

BMW X5 E70 X6 E71 Negative Battery Terminal Cable 9215954 61129215954

Product currently unavailable

Part no. 7316215

Headlight Module BMW F06 F12 F13 Xenon Headlamp Control Unit AHL 7316211

Product currently unavailable

Part no. 9128183

BMW E90 Light Module ECU 61359128183 9128183 9128223 PL2FRMFA

Product currently unavailable

Part no. 6933052

BMW E60 E61 E63 E64 E65 E66 Air Recirculation Control Sensor AUC

Product currently unavailable

Part no. 2240952

BMW E60 E61 MINI R50 Rear Bumper PDC Ultrasonic Sensor Hyper Blue

Product currently unavailable

Part no. 9117532-1

BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 9117532

Product currently unavailable

Part no. 9205479

BMW 1 Series E81 E87 LCI Positive Battery Lead Distribution Box Cable Rear

Product currently unavailable

Part no. 9252816

BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816

Product currently unavailable

Part no. 6905874

BMW X5 E53 Light Check Module Control Unit ECU Lear LCM III W / MAN. LWR 6905874

Product currently unavailable

Part no. 3450247

BMW X3 E83 LCI Map Card Fuse Box Grouping Diagram 3450247

Product currently unavailable

Part no. 7798035-2

BMW 1 3 5 Series E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035

Product currently unavailable

Part no. 9216275

BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9216275

Product currently unavailable

Part no. 6936096

BMW 3 X3 X5 Series E46 E53 E83 Navigation System Video Module Unit

Product currently unavailable

Part no. 9247472

BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR 9247472

Product currently unavailable

Part no. 6941986

BMW X5 E53 X3 E83 Mini R50 Central Lock EWS III Immobilizer Module ECU

Product currently unavailable

Part no. 6983307

BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 6983307

Product currently unavailable

Part no. 8365326

BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168

Product currently unavailable

Part no. 9131643

BMW E87 E90 E92 Seat Wiring Cable Front Right O/S Heating Loom Harness 9131643

Product currently unavailable

Part no. 9229241

BMW E81 E87 E90 E91 LCI E92 E93 Autoradio CD Radio Business 9229241

Product currently unavailable

Part no. 8733501

BMW F20 F21 F31 F32 F87 Body Control Comfort Module Unit BCM 8733501

Product currently unavailable

Part no. 9184209

BMW X5 E70 X6 E71 Battery Cable Negative Battery Lead IBS 9184209

Product currently unavailable

Part no. 8507902

Engine Wiring BMW F20 F21 F22 F30 F31 F34 F32 F33 F36 Harness Loom 8507902

Product currently unavailable

Part no. 9270495-CAR1

BMW X5 E70 X6 E71 F10 F11 PDC Ultrasonic Sensor Carbonschwarz 416 9231281 SET X2

Product currently unavailable

Part no. 7595179

BMW E81 E87 LCI E90 E91 Petrol N43 Engine Control Unit ECU DME 7595179 Manual

Product currently unavailable

Part no. 6939069

BMW X5 E53 X3 E83 Control Unit Xenon Adaptive Headlight Ballast 6939069

Product currently unavailable

Part no. 9314237

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9314237

Product currently unavailable

Part no. 8511958

Glow Plug Wiring BMW F20 LCI F45 F48 B37 Wiring Harness Engine 8511958

Product currently unavailable

Part no. 7533270-1

Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270

Product currently unavailable

Part no. 9187647

BMW E82 E90 E92 LCI Antenna Amplifier Diversity 9187647

Product currently unavailable

Part no. 7788680-4

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

Product currently unavailable

Part no. 6973036-1

BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 1 Cigarette Lighter Socket 6973036

Product currently unavailable

...

Showing 2773-2871 of 5509 products