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.

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BMW F10 F11 Sound Amplifier Module Unit Harman/Becker 9233592

€113.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6919354

BMW E60 E61 Stereo System Central Bass Subwoofer Right O/S 6919354

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8849403

BMW U06 X1 U11Battery Air Guide Plate Cover Trim Housing 8849403

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9797877

BMW X1 U11 High-Voltage Battery Module Connector Unit 9797877

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9330058

BMW F15 Top Hifi Audio System AMP Amplifier Harman Kardon 9330058

€759.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6807634

BMW X5 F15 F20 F30 SRS Air Module Bag Control Unit Module ECU 6807634

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8792148

Navigation Headunit BMW F20 F22 F30 Mini F55 F56 Head Unit Basic Media

€104.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9370431

BMW X1 Series F48 KaFAS Camera Assist Speed Limit Control 9370431

€47.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8088723

Engine Wiring BMW X3M F97 X4M F98 Petrol S58 Module Sensors 1 Harness 8088723

€203.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8573260-8

BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual

€417.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9337205

BMW F32 Door Wiring Front Door Right Loom Cable Wiring Harness 9337205

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6798872

BMW F10 F11 F30 F31 Wheel Electronics Module RDC 433MHZ Control Unit 6798872

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6791131

BMW F01 ICM Module Integrated Chassis Management QL ES Control Unit 6791131

€47.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9225619

BMW F10 Electronic Front Seat Memory Module Control Unit ECU 9225619

€70.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9238195

Fuse Box Grouping BMW F10 F11 F12 Fuse Placement Map Card Diagram 9238195

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 1378238

BMW E60 E63 E87 E90 E91 Relay Make Contact Orange 1378238

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9176878

BMW E81 Body Control Module Unit BCM ECU L2 9176878

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8482365

BMW G20 Installation Cable Wiring Loom 8482365

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 3451658

BMW 3 X3 Series E46 E83 LCI Earth Cable Flow Electric Battery Negative 6919584

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8844294

BMW X1 U11 High-Voltage Battery Module Connector 8844294

€132.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7211557

BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9211494

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9253111-2

BMW 1 2 Series F20 F21 F22 2 Positive Plus Pole Battery Blow Cable 9253111

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9151979

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

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9312764

Body Control Module BMW F10 LCI ECU Junction Box PL6 JBBFE III V2 9312764

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8590102

Alternator Cable BMW 5 G30 G31 G12 B57 Battery Wiring Alternator B+ 8590102

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9381305

Radio Professional BMW F20 F21 F30 F31 CD Player DAB Bluetooth 9381305

€80.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7928690

BMW F74 Gran Coupé Radio Audio Remote Control Receiver 7928690

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7286050

BMW F20 Control Unit Module Wing Mirror Power Fold 7286050

€66.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6887754

Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6887754

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8091664

Baterry Cable Bracket BMW X3M F97 X4M F98 S58 Alternator Wire Holder 8091664

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8572426

BMW F30 F32 LCI 335dX 435dX Engine Injector Ignition Wiring Cable Loom 8572426

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 3417417

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

€351.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9134642

BMW E60 LCI Front Seat Control Module Unit ECU Left Right N/O/S 9134642

€51.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8510591-7

BMW X1 E84 2.0d N47 177HP sDrive Engine Control Unit ECU DDE 8510591 Manual

€189.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A4CFA9

BMW G20 LCI Fuse Box Control Module Unit 5A4CFA9

€165.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 1744987

BMW E39 Battery Clamp Fuse Cable Positive 1744987

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8508654

BMW F10 F11 N47S1 Engine Injector Module Wiring Harness 8508654

€51.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8662411-7

BMW F20 LCI 118i B38 136HP Engine Control ECU Kit DME 8662411 Manual

€569.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6963651

Alarm Module BMW E81 E84 E87 E90 Ultra Sonic System Sensor 6963651

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6933268

BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933268

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9355490

Mini Cooper F56 Body Control Comfort Module Unit BDC FEM ECU 9355490

€165.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7619250

Alternator Bracket BMW F10 F20 F22 F30 F32 LCI G30 B47 Supporting Mount 7619250

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8579479-6

BMW F20 F21 F30 F31 116HP N47N Engine Control Unit ECU Kit DDE 8579479 Manual

€275.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9387232

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

€156.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9323477

BMW X5 F15 X5 M F85 Rear Door Wiring Harness Left Right N/O/S 9323477

€42.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9115449

BMW X5 X6 E70 E71 Power Junction Box Positive Battery Cable Plus Pole 9115449

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6940623

BMW 1 3 Series E81 E82 E84 E87 E90 E91 PDC Parking Ultrasonic Sensor Quartz Blue

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8483814

BMW G20 Starter Wiring Battery Alternator Cable Harness Loom 8483814

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9335300

BMW 1 Series F20 LCI Front Door Wiring Loom Harness Passengers Side 9335300

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6933267

BMW 7 Series E65 E66 E67 Control Unit Door Front Passenger Side 6933267

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9372556

BMW G11 Door Wiring Harness Rear Left Right Door N/O/S Wiring Loom 9372556

€42.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A70A69

BMW F40 Parking Module Comfort Control Unit ECU 5A70A69

€142.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8598806-2

BMW X3 F25 20dX Diesel B47 190HP Engine Module ECU Kit DDE 8598806 Key CAS4

€427.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9261604

Rear Bumper PDC BMW F20 F21 F22 Ultrasonic Sensor Tiefseeblau Deep Sea Blue A76

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8514577

BMW X3 F25 Diesel N47N Engine Gearbox Wiring Loom Harness 8514577

€42.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A323C8

BMW F40 Fuse Relay Power Distribution Box Unit 5A323C8

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9384988

BMW F20 F45 F46 Kafas Camera Control Module Unit ECU 9384988

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6933557

BMW E60 E60 LCI E61 E61 LCI Driver's Seat Wire Harness Cable Loom 6933557

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6933270

BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 6933270

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8716575

BMW G20 G21 G21 LCI Door Wiring Harness Loom Front Driver's Side 8716575

€42.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9299268

BMW F20 F21 F22 F30 F31 F32 F33 F34 GT Radio Player CD DAB Head Unit 9299268

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8580061

BMW F40 F48 Mini F55 F56 Battery Starter Cable Wiring Loom B47B B47D 8580061

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8513157

Battery Electric Cable BMW F45 F48 Mini F56 F60 Alternator Starter Motor 8513157

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7645837

BMW i3 I01 Electric Gearbox Gear Shifting Actuator Module Unit 7645837

€113.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8510832

BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Automatic

€151.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9290358

Navigation Head Unit BMW F10 F11 F31 Harman Sat Nav Unit 9290358

€365.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5B5FF36

BMW F70 F74 G60 X1 U11 Front Windscreen Camera Control Unit Module 5B5FF36

€313.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8711311

BMW G20 LCI Positive Plus Battery Wiring Cable Loom 8711311

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8578945-6

BMW F20 F21 F30 116d 316d N47N 116HP Engine Control ECU Kit DDE 8578945 Manual

€237.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9290804

BMW F20 F22 F30 F32 Module ECU Control Unit FEM Fuse Box 9290804

€66.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6977427

BMW E87 E90 E91 Mini Cooper R50 R52 R53 Air Module Control Unit ECU 6977427

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9436256

BMW G20 G21 Front Passenger Door Cable Harness Wiring Control Unit 9436256

€61.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7622995

Cable Alternator Starter BMW F20 F21 F30 F31 N55 Battery Wiring Harness 7622995

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9383069

Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav High Control Module 9383069

€142.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8779030

BMW G30 G31 Body Control Comfort Module Unit FEM ECU V05 8779030

€569.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 3420482

BMW X3 E83 Ground Earth Cable Battery Wiring 3420482

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7296108

BMW 4 Series F32 F82 M4 Rear Third Stoplamp Stop Lamp Brake Light White 7296108

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7627021

BMW 1 3 Series F20 F21 F30 Petrol N13 Harness Engine Sensors Module 1 7627021

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6789514

BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6789514

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9153418

BMW F10 F11 B Plus Distributor Front Battery Cable 9153418

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7254970

BMW E92 LCI Grille Trim Panel Chrome Frame Front Right O/S 7254970

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9288373

BMW X5 F15 Door Storage Pocket Compartment Fiber Optic Front Left N/S 9288373

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7422700

Smart Opener Module BMW F01 F07 F10 F30 Trunk Open Control Unit ECU 7422700

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9268438

BMW F10 F11 F01 F02 F03 Crash Impact Air Module Central Sensor Unit 9268438

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8844292

BMW X1 U11 High-Voltage Battery Module Connector Wiring Cable 8844292

€51.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8576341-6

BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM Manual

€237.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8638585

BMW F20 F21 F30 F31 LCI Cable Alternator-Starter-Base B+ 8638585

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6812218

BMW X1 F48 Rear Left Right N/O/S Door Wiring Harness Loom 6812218

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8518269-6

BMW E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8518269 Manual

€151.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8579479-2

BMW F20 F21 F30 116d 316d N47N 116HP Engine Control Unit ECU DDE 8579479 Manual

€89.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6839821

Battery Cable BMW G01 G02 F97 F98 Positive Plus Pole Lead L= 712MM 6839821

€80.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 3452285

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

€256.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9377149

BMW 1 3 Series F20 F21 F30 F31 Telematic Control Unit Module 9377149

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8574091-6

BMW F10 F11 520d N47N 184HP Engine ECU Kit Unit DDE 8574091 CAS4 + Key Manual

€170.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8736251

BMW X4M F98 X4 G02 X3 G01 Rear Fuse Box Power Distribution Fuse Box 8736251

€66.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6820931

Telematics Module BMW X1 F48 F20 F30 Bluetooth GPS Control Unit ECU 6820931

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7177697-3

Plug Socket BMW E61 LCI Rear Lamp Touring Trunk Lid Wiring Left N/S 6984746

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8574091-3

BMW F10 520d N47N 184HP ECU Kit Control Unit DDE 8574091 CAS4 + Key

€151.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9271216

BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9271216

€66.95

Free delivery: Aug 5 – 10

If paid before 14:00

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