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 E38 728i M52 193HP Engine Control Unit ECU Module DME 1429861 Automatic

Product currently unavailable

Part no. 7589639

BMW F87 M2 N55 Ignition Coil Injectors Wiring Loom Harness 7589639

Product currently unavailable

Part no. 6901469-4

5X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469

Product currently unavailable

Part no. 7805288-1

BMW E60 LCI E90 E91 E92 325d 525d M57N2 Engine ECU KIT DDE 7805288 CAS3 + Keys

Product currently unavailable

Part no. 7045694-2

BMW 5 E60 E61 LCI AHL Xenon Headlight Headlamp Wiring Right O/S 7045694 7044674

Product currently unavailable

Part no. 7527072-1

BMW E60 520i M54 170HP Engine ECU Kit DME + CAS2 + Key 7527072 Automatic

Product currently unavailable

Part no. 7835564-2

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

Product currently unavailable

Part no. 6904023

BMW E39 E46 Active Parking System Control Module Unit ECU PDC 6904023

Product currently unavailable

Part no. 6906911

BMW X5 Series E53 Battery Positive Lead Red Cable Plus Pole Wire 6906911

Product currently unavailable

Part no. 6913155

BMW 7 Series E65 E66 Rear Left Door Module Wiring Loom Harness N/S 6913155

Product currently unavailable

Part no. 7198397

BMW E64 Cabrio Convertible Folding Top Roof ECU Control Unit CVM Module 7198397

Product currently unavailable

Part no. 8506438-3

BMW E81 E87 E90 E92 LCI 120d 320d N47 ECU Control Unit Module DDE 8506438 Manual

Product currently unavailable

Part no. 7573863

BMW E60 E90 E92 335i 535i N54 306HP Petrol Engine Control Unit ECU DME 7573863

Product currently unavailable

Part no. 9308294

BMW F34 Underfloor Battery Positive Cable Wiring Harness Lead 9308294

Product currently unavailable

Part no. 2284105

Parking Brake Module BMW F10 M5 F12 F13 M6 Control Unit Lock Module 2284105

Product currently unavailable

Part no. 9205479

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

Product currently unavailable

Part no. 7591981

BMW F87 N55 Engine Bay Wiring Loom Harness Loom Cable Engine Gearbox 7591981

Product currently unavailable

Part no. 9230445

BMW 3 Series E90 Footwell Light Control Module Lear FRM3R PL2 9230445

Product currently unavailable

Part no. 7809000-4

BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 Control Unit CAS3 + Key

Product currently unavailable

Part no. 7565300-19

BMW E87 E90 E91 120i 320i N46 150HP Engine ECU Kit DME 7565300 CAS3 Key Manual

Product currently unavailable

Part no. 7592529

BMW F20 F23 F11 N55 Engine Wiring Harness Motor Adapter Sensor System 2 7592529

Product currently unavailable

Part no. 5A94F69

BMW G20 Air Conditioning Air Con A/C Control Unit Module 5A94F69

Product currently unavailable

Part no. 7549396

Earth Ground Cable BMW E90 E91 E92 Negative Battery Lead Wiring 7549396

Product currently unavailable

Part no. 6936997

BMW 5 Series E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6936997

Product currently unavailable

Part no. 9159028

BMW E60 E61 Navigation Head Unit CCC CD Sat Nav Player System Controller 9159028

Product currently unavailable

Part no. 9123605

BMW X5 Series E70 Cable Glove Compartment Wiring Loom Harness 9123605

Product currently unavailable

Part no. 8379626

BMW 5 Series E39 Right O/S Air Box Pollen Microfilter Service Cover 8379626

Product currently unavailable

Part no. 8689723

BMW F20 F21 LCI M140i B58 Petrol ECU Control Unit Module DDE 8689723 Automatic

Product currently unavailable

Part no. 6824492

BMW G31 Touring Rear Bumper PDC Wire Harness Loom Cable 6824492 11107811 6824493

Product currently unavailable

Part no. 9270020

BMW F06 F12 F13 Front Wiring Loom PDC Harness Parking Sensor 9270020

Product currently unavailable

Part no. 6781435

BMW E39 E65 DSC Hydraulic Pump Compressor Braking Unit Pump 6781435

Product currently unavailable

Part no. 8590041

BMW G30 G31 B47 Diesel Glow Heater Plug Engine Wiring Loom Cable 8589786

Product currently unavailable

Part no. 7809000-1

BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 Control Unit CAS3 + Keys

Product currently unavailable

Part no. 7811111-5

BMW X3 E83 LCI 2.0sd N47 177HP Engine Control Module ECU DDE 7811111 Automatic

Product currently unavailable

Part no. 7791190-2

BMW E46 320d Diesel Engine M47N 150HP ECU Kit DDE 7791190 EWS3 + Key Manual

Product currently unavailable

Part no. 6771415

BMW E65 E66 E67 Steering Wheel Electronics Control Unit Module 6771415

Product currently unavailable

Part no. 6834089

BMW F20 F21 F22 F23 F31 F33 Audio Amplifier Stereo Harman Becker 6834089

Product currently unavailable

Part no. 7365597-2

BMW F30 F31 LCI Front Headlight Wiring Harness Cable Plug Left N/S 7365597

Product currently unavailable

Part no. 8630125

BMW F20 F21 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8630125 Manual

Product currently unavailable

Part no. 6827064-6

BMW E90 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064

Product currently unavailable

Part no. 7500255-1

BMW 3 Series E46 323i M52 170HP ECU Kit DME 7500255 + EWS3 + Keys Automatic

Product currently unavailable

Part no. 8379726

BMW 5 Series E39 Cable Loom Front Driver's Door Wiring Harness 8379714

Product currently unavailable

Part no. 1387590

BMW 3 Series E36 Electrical Fuse Empty Relay Box Compartment 1387590

Product currently unavailable

Part no. 6939050

BMW 7 er E65 E66 E67 Video Module 6939050

Product currently unavailable

Part no. 2990003-3

BMW X1 E84 Headlight Lamp Light Front Cable Wire Plug Left N/S 2990003

Product currently unavailable

Part no. 2154179

BMW 1 3 5 Series E60 E87 E90 E91 Cable Adapter iPod Connection 2154179

Product currently unavailable

Part no. 6987546

BMW 1 X5 Series E53 E87 Hands-free Bluetooth Charging Module MULF Unit 6987546

Product currently unavailable

Part no. 7565300-18

BMW Z4 E85 2.0 N46 150HP Engine Module ECU Kit DME 7565300 + EWS + Key Manual

Product currently unavailable

Part no. 8506434-2

BMW 1 3 Series E81 E87 E90 LCI 116d 316d N47 ECU Kit DDE CAS3 Key 8506434 Manual

Product currently unavailable

Part no. 8650701

BMW F80 M3 F82 F83 M4 S55 431HP Engine Unit Module ECU DME 8679840 Drivelogic

Product currently unavailable

Part no. 7807529

BMW E81 E87 LCI E90 E91 N47 DDE 7807529 Engine Control Unit Diesel ECU Manual

Product currently unavailable

Part no. 6952665

BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6952665

Product currently unavailable

Part no. 9118729-1

BMW 6 Series E63 Body Gateway Module KGM HIGH LEAR 9118729 61359118729

Product currently unavailable

Part no. 1742690-3

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. 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

...

Showing 6337-6435 of 6909 products