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 3 Series E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8512291 Manual

€113.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8716602

BMW G20 Front Door Wiring Loom LED Light Harness Passenger Side 8716602

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7799855-2

BMW 1 3 5 Series E60 E87 E90 M47N2 120d 320d 520d ECU Kit DDE CAS2 Key 7799855

€237.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9294912

BMW F10 F11 X5 F15 X6 F16 Rear Seat Compartment Screen Display SET 9294912

€569.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7591529

BMW F12 F13 F20 F21 Alternator Generator 14V 210A N55 Petrol Engine 7591529

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9184810

BMW X6 E71 Wiring Set Wash Water Container Cable Loom 9184810

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 6938664

BMW E65 E66 Control Unit Front Centre Console Module 6938664

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6863386

BMW F33 ICM Control Unit Module ECU 6863386

€80.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9325884

BMW F36 Door Cable Front Driver's Door Wiring Loom Harness 9325884

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9236460

BMW F10 Footwell Light Module Control Unit ECU FRM III 9236460

€75.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9216337

BMW F20 F21 Amplifier Holder Audio Catch Bracket Trim Panel 9216337

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7253188-2

BMW E92 Seat Covering Panel Sports Left Right Thigh Support Cover Black Leather

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7838041

BMW M3 E93 Engine Throttle Body Cable Wiring Loom Plug 7838041

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9286236

BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286236

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9291701

BMW F10 F11 LCI Front Seat Left N/S Wire Harness Loom Cable 9291701

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7586426

BMW E89 F10 F25 F26 Battery Clamp Bracket Holder 7586426

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6839355

BMW F44 Gran Coupe Antenna Amplifier Suppresion Filter 6839355

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7514610

Injection Valve Wiring BMW E60 E61 E65 N62 N62N Ignition Loom Harness 7514610

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7533282

BMW X3 Z4 E83 E85 E86 Fuse Box Cover Power Distribution Engine Bay 7533282

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6866990

Airbag Module BMW F01 F02 LCI F10 F11 F13 Air Bag ECU ICM Control Unit 6866990

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1744987

BMW E39 Battery Clamp Fuse Cable Positive 1744987

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7640508-2

BMW 1 3 4 Series F20 F21 F30 F31 F32 F33 Cooling Fan Control Unit Radiator

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6906618

BMW E60 E61 E63 E64 M5 M6 Power Distribution Fuse Box Rear 6906618

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6911038

BMW 3 X5 Series E46 E53 Airbag Side Impact Crash Sensor Bosch 6911038

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6990109

BMW X3 E83 LCI Front Door Speaker Tweeter 6990109

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9878329

BMW U06 X1 U11 Front Subwoofer Speaker Bass Low Tone Left N/S 9878329

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6819335

BMW F20 F30 BCM Body Comfort Control Module CCM Unit ECU 6819335

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6909776

BMW X5 Series E53 Control Element Light Switch 6909776

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6772102

BMW X5 X6 E70 E71 Holder Bracket Actuator Unit 6772102

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9894915-1

BMW G30 Engine Control Unit DME ECU + Key 2.0 B48X 251HP Automatic Set 9894915

€469.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8383185

BMW X5 7 Series E38 E53 Control Unit Illuminated Door Handle 8383185

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8519009-3

BMW X1 E84 20dX Diesel N47N 184HP Engine Control Unit ECU DDE 8519009 Automatic

€89.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9337880

BMW F20 F22 F30 Rear Electric Power Distribution Fuse Box 9337880

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8370933

BMW 3 5 6 Series E60 E61 E63 E90 Support Bracket Navigation Computer 8370933

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9352750

BMW X6 F16 F86 Camera Kafas Front Windscreen Camera Module 9352750

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8512499-1

BMW E81 E87 E90 E91 LCI N47 143HP Diesel ECU Kit DDE 8512499 Manual

€132.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7391042

BMW F10 F30 X1 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 7391042

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7395738

BMW F33 F83 Battery Holder Tray Bracket Carrier 7395738

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6956746

BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Monaco Blue A35 6956746

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1388277

BMW E39 E46 E60 E61 E83 E90 E91 Switch Glove Box Light

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8716522

BMW G20 G21 G26 Front Seat Wiring Loom Harness Cable Manual Right O/S 8716522

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9364818

BMW Z4 E89 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9364818

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8387568-1

BMW E65 Battery B Engine Compartment Terminal Point Cover 8387568

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9243896

Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7394905

BMW F06 F12 F13 LCI Turn Signal LED Module Left N/S 7394905

€70.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6866986

BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6866986

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 4752820

Positive Cable BMW F20 F21 Under Bonnet Battery Wiring Loom 4752820

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9266384

BMW 5 Series F10 F11 LCI Boardmonitor Central Information Display 7" 9266384

€56.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 8510221-13

BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 Automatic

€132.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8635815

BMW F20 F30 LCI 118i 318i B38 Gearbox Wiring Loom Harness Cable 8635815

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6925330

Central Bass Speaker BMW E81 E87 E90 E91 E92 Stereo Audio Right O/S 6925330

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1439559

BMW X5 Series E53 Battery Cable Plus Pole 1439559

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6947786

BMW E60 E61 E63 E64 Steering Column Adjuster Switch 6947786

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6933162

BMW E65 E66 On-board Navigation Display Monitor Screen 8,8" 6933162

€47.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9304350

BMW F45 F46 F48 Mini F54 F56 Battery Tray Holder Bracket Support 9304350

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6856314

BMW 1 3 Series F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9313992

BMW F13 Front Seat Control Module Unit ECU Left Right N/O/S 9313992

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9418460

BMW G30 G31 PDC Module Parking Assistant Control Unit USS VA03 HIGH 9418460

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9143823-1

BMW E88 E93 LCI ECU Air Control Unit Module Controller 9143823

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6864206

Air Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit 6864206

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. F20 F30 PLUG SOCKET LOOM PDC

PDC Plug BMW F20 F22 F30 F32 Loom Socket Parking Sensor Wiring Harness

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9241826

On Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9241826

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7939168

Rain Sensor BMW F20 F21 F30 F31 Windscreen Light Solar Condensation Unit 7939168

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 2622562

BMW G20 G21 G23 G26 G42 G80 Subwoofer Bass Speaker Under Seat Right O/S 2622562

€85.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9181453

BMW 1 X4 X5 Series F20 F21 F25 F26 Antenna Aerial Diversity Trap Circuit 9181453

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9383176

BMW F20 F30 F34 BCM FEM BSI Body Control Module Unit 9383176

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7446712

BMW F23 Cabrio Convertible Folding Top Roof ECU Control Unit CVM Module 7446712

€127.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9380238

BMW F10 Body Gateway Control Module Unit 9380238

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8801718

BMW G31 Touring Switchboard Relay Fuse Box Module Control Unit 8801718

€218.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8583657

Wiring Harness BMW F20 E90 LCI Mini R56 LCI Engine Glow Plug Module 8583657

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5A27C22

BMW X1 U11 Potential Equalizator Wiring Harness Cable 5A27C22

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8513249

BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513249 Automatic

€85.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9394668

BMW F06 LCI Footwell Module Control Unit ECU FRM III 9394668

€118.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9276064

BMW X3 F25 Antenna Aerial Diversity Amplifier Unit 868 MHZ 9276064

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7608801

Valve Cable BMW F20 F21 F30 F31 Petrol N13 Valve Tronic Wiring Harness 7608801

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6782372

BMW X1 X3 Z4 E83 LCI E84 E89 E90 E91 E92 Speed Sensor Cluster 6782372

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8648221

BMW G11 G12 G14 G15 G16 G30 G31 G32 GT Engine Control Unit Box Cover 8648221

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6868077-2

BMW F20 F21 F22 F30 F31 Power Steering Rack Wiring Harness Cable 6868077

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6820526

Head Unit BMW F20 F21 Radio Media GPS Sat Navigation Unit 6820526

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9196100

Mini Cooper One F55 F56 F57 B Pillar Upper Column Airbag Sensor 9196100

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7641649

BMW F10 F20 F30 N20 125i 328i 528i N20 Wiring Harness Engine Module 1 7641649

€85.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9261614

BMW 1 2 Series F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier Silver

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6960227

BMW E65 E66 Sensor Air Bag Front Left Door N/S Module Airbag 6960227

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. E87-E90-PLUG-SOCKET-LOOM-PDC

BMW E81 E82 E87 E88 E90 E91 E92 Plug Socket Loom PDC Parking Sensor

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9393669

BMW F11 LCI Comfort Module Body Control Unit Module BCM Unit ECU 9393669

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7192742

BMW Z4 Series E89 Battery Holder Hold Down Strap Bracket 7192742

€24.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 3403208

BMW X3 Series E83 Ultrasonic Alarm System Module Control Unit 3403208

€33.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9186654

BMW E92 Door Wiring Harness Cable Loom Front Driver's Side 9186654

€61.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 2354693

BMW E39 E46 E60 E65 X3 E83 M54 Petrol Starter Motor 7515392

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9157155

BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157155

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6901269

BMW X3 Z4 Series E83 E85 E86 Base B Positive Battery Terminal Cover Compartmen

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8510221-18

BMW E90 E91 E92 LCI 325d N57 204HP ECU Engine Module DDE 8510221 Automatic

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8485066

BMW X3 G01 X4 G02 Positive Cable Alternator Starter Base B Wire Line 8485066

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9176682

BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9176682

€113.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8620771

BMW F20 F21 F30 F32 N55 Power Distribution Module Bracket Cover Carrier 8620771

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8067511

BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6943085

BMW E60 E61 Air Module ECU Control Unit Gateway Module 6943085

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

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