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 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690

Product currently unavailable

Part no. 7068055

BMW 5 7 Series E60 E65 Front Seat Flexible Shaft And Transmission Bracket Set

Product currently unavailable

Part no. 9286940

BMW 7 Series F01 LCI ECU Body Control Module Junction Box JBBFEIII V5 9286940

Product currently unavailable

Part no. 9157584

BMW 6 Series E64 Components Aerial Antenna Diversity Cable AM FM TV 6917457

Product currently unavailable

Part no. 6904903

BMW 7 Series E65 E66 Positive Battery Cable Plus Pole Petrol 6904903

Product currently unavailable

Part no. 7810980

BMW E60 E61 E63 LCI E90 M57N2 286HP Engine Control Unit ECU 7810980 Automatic

Product currently unavailable

Part no. 8382454

BMW E39 523i Petrol M52 Immobiliser EWS 3 Control Module Siemens 8382454

Product currently unavailable

Part no. 7802261-3

BMW E60 E61 E81 E87 E90 Alternator Generator Valeo 180A N47 7802261

Product currently unavailable

Part no. 6923877

BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6923877

Product currently unavailable

Part no. 9133867

BMW E63 E64 LCI Front Bumper PDC Wiring Loom Harness Cable 9133867

Product currently unavailable

Part no. 6943538

BMW E92 Driver's Seat Memory Wiring Cables Loom Harness 6943523

Product currently unavailable

Part no. 9131782

BMW E91 Touring ECU Body Control Module H4 PL2 61359131782 9131782

Product currently unavailable

Part no. 9278074-3

BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074

Product currently unavailable

Part no. 8364540-1

BMW 3 X3 Series E46 E83 1 Fuse Distribution Box 8364540

Product currently unavailable

Part no. 9500079

BMW X2 F39 F40 F45 F45 LCI F46 F48 Steering Control Module SAS Unit ECU 9500079

Product currently unavailable

Part no. 7801711-4

BMW 1 3 5 Series E60 E87 E90 120d 320d 520d M47N2 ECU Kit DDE 7801711 CAS2 + Key

Product currently unavailable

Part no. 6981946

BMW 7 E65 E66 E67 Antenna Amplifier Control Module ECU Signal Booster 6981946

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. 9314635

BMW Mini Cooper F54 F55 F56 F60 HSD Line HU - CID 9314635

Product currently unavailable

Part no. 6957140

BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6957140

Product currently unavailable

Part no. 5A0E219

Adblue Module BMW F40 F44 F45 X1 F48 Control Unit ECU SCR 5A0E219

Product currently unavailable

Part no. 9364201

BMW G30 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201

Product currently unavailable

Part no. 2354706-1

BMW 1 3 X1 X3 E83 E84 E87 E90 E91 N45 N46 Petrol Enigne Starter Motor 1,1 kW

Product currently unavailable

Part no. 6941677

BMW 7 Series E65 E66 Audio System Controller MD MiniDisc 6941677

Product currently unavailable

Part no. 7533651-1

BMW E60 E61 530i M54 231HP ECU Kit DME 7533651 + CAS2 + 2 Keys Automatic

Product currently unavailable

Part no. 9236518

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

Product currently unavailable

Part no. 7990758-CAR

BMW F33 PDC Ultrasonic Parking Sensor PDC 7990758 Carbonschwarz Metallic - 416

Product currently unavailable

Part no. 1378238-2

BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238

Product currently unavailable

Part no. 9267609

BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609

Product currently unavailable

Part no. 9209172

BMW X3 F25 X4 F26 Optical Ladder Conductor Cable Wire Unit 9209172

Product currently unavailable

Part no. 7542529

BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529

Product currently unavailable

Part no. 5A7A3B9

BMW U06 X1 U11 Gearbox Wiring Loom Transmission Cable 5A7A3B9

Product currently unavailable

Part no. 9170706

BMW 6 Series E63 LCI CCC DVD Sat Navigation System CD Player Head Unit 9170706

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. 9125031-1

BMW 1 Series E81 E87 LCI 1 Positive Battery Lead Cable Wiring 9125031

Product currently unavailable

Part no. 4136192

BMW 5 6 Series E60 E61 E63 E64 TV Video Module Control Unit 4136192

Product currently unavailable

Part no. 6928376

BMW 5 6 Series E60 E61 LCI E63 E64 Cable Wiring Set ARS Valve Block 6928376

Product currently unavailable

Part no. 5A31DE9

BMW F40 Telematics Bluetooth Control Module Unit 5A31DE9

Product currently unavailable

Part no. 5A071E5

BMW G20 G30 X3 G01 X4 G02 Head Unit High 3 Multimedia Module Harman 5A071E5

Product currently unavailable

Part no. 9145102-1

Dashboard Screen BMW E60 E90 Dash Onboard Monitor Display 8.8" CCC 9145102

Product currently unavailable

Part no. 6919474

BMW 7 Series E65 E66 6-fold CD Disc Changer Without Magazine 6923547

Product currently unavailable

Part no. 6929976

BMW 7 Series E65 E66 Sensor B-Pillar Airbag Right O/S 6929976

Product currently unavailable

Part no. 130002613

BMW 5 X5 7 Series E60 E60N E61 E65 E66 E67 E70 Drive Longitudinal Seat Adjust

Product currently unavailable

Part no. 9145103

BMW E60 E63 E64 On-Board Navigation Monitor Display Screen 6,5" 9145103

Product currently unavailable

Part no. 6928572

BMW Z4 Series E85 Roadster Cabrio Sensor B-pillar Airbag Right O/S 6928572

Product currently unavailable

Part no. 8657232

Engine Wiring BMW F87 M2 N55 Petrol Loom Module Harness Cable 8657232

Product currently unavailable

Part no. 7524106

BMW Z4 Series E85 Petrol M54 Wiring Loom Harness Engine Gearbox Manual 7524106

Product currently unavailable

Part no. 6944663

BMW E90 Front Seat Wiring Harness Cable Loom 6944663

Product currently unavailable

Part no. 7565300-10

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

Product currently unavailable

Part no. 1378238-3

BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238

Product currently unavailable

Part no. 6939709

BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6939709

Product currently unavailable

Part no. 9229880-2

BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9229880

Product currently unavailable

Part no. 6927271

BMW 5 Series E60 Front Seat Module Control Unit 6927271

Product currently unavailable

Part no. 7846409-1

BMW E90 E92 E93 M3 Engine S65 420HP ECU Control Unit Kit DME 7846409 + CAS3 Key

Product currently unavailable

Part no. 6927318

BMW 5 7 Series E60 E61 E65 E66 Seat Control Module Ecu Sensor 6927318

Product currently unavailable

Part no. 8386398

BMW X5 Series E53 Connection Cable CD-Changer 8386398

Product currently unavailable

Part no. 8573574-3

BMW X3 F25 N57N 184HP Engine ECU DDE Kit CAS4 + Key 8573574 Automatic

Product currently unavailable

Part no. 9186171

BMW 5 Series E60 LCI Body Gateway Module KGM E6X High D-Can Lear 9186171

Product currently unavailable

Part no. 8371312

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

Product currently unavailable

Part no. 7559178-4

BMW E60 E90 E91 330i 530i Engine N52 ECU Kit DME 7559178 CAS2 + 2 Keys Manual

Product currently unavailable

Part no. 7629420

BMW F10 F11 F12 540i 640i N55 315HP Engine Control ECU DME Kit 7629420 Automatic

Product currently unavailable

Part no. 6905875

BMW X5 Series E53 Light Check Module Control Unit ECU Lear LCM III 6905875

Product currently unavailable

Part no. 7799856

BMW E60 E90 M57N2 231HP Engine Control Unit DDE 7799856 Manual

Product currently unavailable

Part no. 6968836

BMW 1 Series e81 BODY CONTROL MODULE L2 61356968836 6968836

Product currently unavailable

Part no. 6936308

BMW 3 Series E46 Convertible Wiring Driver's Side Door Cable Harness 6936307

Product currently unavailable

Part no. 9241007

BMW 3 Series E91 LCI Footwell Light Control Module Lear FRM3H PL2 LED 9241007

Product currently unavailable

Part no. 7075943-1

BMW X5 E60 E61 E65 E70 Front Left N/S Seat Height Adjustment Drive

Product currently unavailable

Part no. 6802945

BMW G11 G12 G30 Junction Point Power Distribution Unit B+ Rear B48B20A 6802945

Product currently unavailable

Part no. 6919474-1

BMW 7 Series E65 E66 6-fold CD Disc Changer Without Magazine 6926933

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. 7207576

BMW X5 E70 X6 E71 Module Control Unit Trunk Lid Rear Tailgate Lift 7207576

Product currently unavailable

Part no. 8582521-2

BMW F20 F30 125d 325d N47S1 Engine Control Unit ECU DDE 8582521 FEM Lock Key

Product currently unavailable

Part no. 6927274

BMW E60 E61 E65 E66 Seat Module Control Unit ECU Front Left Right N/O/S 6927274

Product currently unavailable

Part no. 8707679

BMW F20 F21 F22 Body Control Module Unit FEM 8707679

Product currently unavailable

Part no. 9286465

BMW F20 X3 F25 Head Unit Navigation GPS Sat Nav Infotainment DAB High 9286465

Product currently unavailable

Part no. 7540510-2

BMW 5 6 Series E60 E63 545i 645Ci N62 Engine ECU KIT DME 7540510 + CAS2 + Key

Product currently unavailable

Part no. 6929763

BMW 6 Series E63 E64 Amplifier Compensator Holder Catch Bracket 6929763

Product currently unavailable

Part no. 7556880

Engine Wiring BMW Z4 E85 E86 Petrol N52 Loom Harness Module Manual 7556880

Product currently unavailable

Part no. 8574351-5

BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic

Product currently unavailable

Part no. 6963023

BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor

Product currently unavailable

Part no. 7622962-1

BMW F01 F02 F03 N74 760Li 544HP Engine Dual Control ECU Kit 7622962 Automatic

Product currently unavailable

Part no. 9387232

BMW F45 F46 Body Domain Controller BDC Control Unit Module LR01 ECU 9387232

Product currently unavailable

Part no. 9118071

BMW 5 Series E60 E63 Radio M-ASK M-Audio System Controller CD Player 6944109

Product currently unavailable

Part no. 1432978

BMW E39 Alternator Generator 14V 50/90A 1432978

Product currently unavailable

Part no. 7641652

Engine Wiring BMW F10 F31 F32 N20 Loom Module Harness Cable 7641652

Product currently unavailable

Part no. 6932985-1

BMW X5 Series 1 E53 PDC Parking Control Module Unit PDC 6932985

Product currently unavailable

Part no. 6976157

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

Product currently unavailable

Part no. 9319918

Adapter Lead Wire BMW F45 F46 X1 F48 Cable Active Air Flap Control 9319918

Product currently unavailable

Part no. 9266383

Display Screen BMW F12 F13 Central Information Monitor 10" Multimedia 9266383

Product currently unavailable

Part no. 9252637

BMW X1 E84 Parking Control Module Unit PDC ECU 9252637

Product currently unavailable

Part no. 9891562

Seat module BMW G11 G20 G30 G01 G02 Seat Control Unit Module ECU 9891562

Product currently unavailable

Part no. 8380255

BMW X5 Series E53 Control Element Light Switch 8380255

Product currently unavailable

Part no. 8513414

BMW X3 F25 N47N Diesel Engine Wiring Loom Harness Cable 8513414

Product currently unavailable

Part no. 6982348

BMW 5 Series E60 E61 Wiring Drivers Side Loom Door Cables Front Right O/S

Product currently unavailable

Part no. 9141048

BMW E60 E87 E90 E91 Hands-Free Electronics Charging MULF2 9141048

Product currently unavailable

Part no. 6920035

BMW X5 E53 Fuse Box Label Trim Cover Panel Sticker 6920035

Product currently unavailable

Part no. 8381020

BMW X5 Series E53 Drive For Window Lifter Front Right O/S 8381020

Product currently unavailable

Part no. 6935221

BMW E46 M3 Coupe Door Wiring Loom Harness Cable Passenger's Side 6935219

Product currently unavailable

Part no. 6913246

BMW 7 Series E65 E66 Rear Seat Wiring Cable Electrical System 6913246

Product currently unavailable

...

Showing 6337-6435 of 6860 products