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 1 3 F20 F30 LCI B47 Engine Gearbox Module Wiring Cable Loom Harness 8586571

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7248911-1

BMW F20 F21 F22 F30 F31 Fog Light Lamp Wiring Harness Plug Left N/S 7248911

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9292948

BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9292948

€113.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8267406

Headrest Adjustment BMW E46 E64 Front Right O/S Seat Actuator 8267406

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9128573

BMW 1 Series E87 LCI E87N Cable Set PDC Front Wiring Loom 9128573

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9134668

Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9160557

BMW Z4 E60 E61 E63 E85 Air Module Control Unit Module ECU 9160557

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9214813

BMW X5 E70 Safety Airbag Control Unit Module ECU X6 E71 Bosch 9214813

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8606445

Wiring Harness BMW F20 F21 F30 LCI Motor Sensor System Module 1 8606445

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9393667

BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9393667

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7195768

BMW 7 Series E65 E66 E67 Battery Holder Hold Down Strap Bracket 7195768

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6935597-TS1

BMW E81 E87 Front Rear Parking Sensor PDC Titansilber Silver 354 6935597

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9196937

BMW E93 Convertible Seat Control Unit Module ECU 9196937 FSV 7.14.0

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9236460

BMW F10 Footwell Light Module Control Unit ECU FRM III 9236460

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6957330

BMW E60 E61 E63 Power Distribution Electrical Fuse Box 6957330

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7253188-1

BMW 3 Series E92 Sports Seat Left Right Thigh Support Cover Trim Leather Dakota

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9227752

BMW F20 F21 F22 F23 F30 F80 M3 F82 F36 Distributor B Multifuse 9227752

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9134631

Seat Module BMW E65 E66 Front Seat Control Unit ECU 9134631

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9243896

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7843338

Engine Wiring BMW F10 M5 F13 M6 Valvetronic Servomotor Cable Loom 7843338

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8518569-5

BMW F20 F21 F30 F31 N47N 118d 318d 143HP Engine Control ECU DDE 8518569 Manual

€80.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8638585

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

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 6826984

Air Module BMW F20 F21 F30 F31 Control Unit 6826984 0285013630

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9171948

BMW X5 X6 E70 E71 Air Module Control ECU Unit Module 9171948 0285010250

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9273584

Seat Belt Module BMW E92 F32 E61 Control Unit LCPA ECU 9273584

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7490465-1

BMW F10 F20 F30 F31 Mini F55 F56 Front Heated Seat Control Module ECU 7490465

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9319493

Air Module Unit BMW F10 F11 F30 F31 F25 F12 F13 X3 F25 ECU Control 9319493

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9293305

BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V1 REM 9293305

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5A82A01

BMW G20 G21 G28 Side Indicator Control Module Unit Left N/S 5A82A01

€94.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6949226

BMW E63 E64 Convertible Coupe DWA Alarm System Module Control Unit 6949226

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8624382

BMW 1 3 Series F20 F30 F31 LCI Line Cable Power Distribution Module 8624382

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7492026

BMW F20 F21 F30 LCI Headlight Control Unit Module FLE2 7492026

€51.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9234087

BMW E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor Control Unit 9234087

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6915327-1

BMW E46 E60 E81 E87 E90 E91 F10 F20 F30 2x Relay Make Contact Sky Blue 6915327

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9329703

BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9329703

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6809316

BMW F10 F20 F23 F30 Telematics Module Bluetooth Communications Control 6809316

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6865245

BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6865245

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7464634

BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1439743

BMW E46 X5 E53 E60 E65 X3 E83 Z4 E85 Z3 Cable Alternator Starter 1439743

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9325917

Door Cable BMW F36 Rear Left Right N/O/S Wiring Harness 9325917

€27.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9261598

BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Valencia Orange Metallic B44

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6882963

Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6882963

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9231466

BMW 2 3 4 Series F22 F30 F32 Antenna Amplifier Module Trap Circuit 9231466

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9350313

BMW F90 M5 G11 G30 Fuse Box Power Distribution Unit Front Right O/S 9350313

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6915047

BMW E46 E39 E38 E83 E53 E85 E86 Control Unit Voice Input System Module 6915047

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9226326

BMW E81 Body Control Module Control Unit L2 PL2RR JBBFE III ECU 9226326

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6930302

BMW E60 E61 E63 E64 Actuator Ventilation Motor Heater Right O/S 6930302

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9352750

BMW X6 F16 F86 Camera Kafas Front Windscreen Camera Module 9352750

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8582279-3

BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8582279 Keys FEM

€222.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8678974

Engine Cable BMW F40 X1 F48 Mini F55 F56 Injector Wiring Loom Harness 8678974

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9172019

BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module 9172019

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9266384

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

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6901469-3

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8574352

BMW X1 E84 20d 20dX 184HP N47N Engine Control Unit ECU DDE 8574352 Automatic

€89.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9237055

Antenna Diversity BMW F07 GT Control Unit Module Aeral Amplifier 868 MHZ 9237055

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9154413-1

BMW E93 LCI Convertible GPS Antenna Aerial Unit Module 9154413

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 6904165

BMW X5 E53 Front Dashboard Centre Console Lighter Wiring Loom Harness 6904165

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6970904

BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 65776970904 6970904

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8626086

Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9284282

BMW F10 Body Control Module ECU Junction Box PL6 JBBFE III V2 9284282

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9335291

BMW F20 Front Door Wiring Loom Harness Cable Driver Side 9335291

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6948692

BMW E60 E61 E63 Passenger Side Door Airbag Control Module 6948692

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8795213

BMW F20 F21 F30 F31 Wire Cable Screen Connector Monitor Display 8795213 8795212

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7823731

BMW E84 E90 E91 LCI 320xd N47 Cable Alternator Starter Base B

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7638477

Ignition Coil BMW E81 E87N LCI E90 E91 E92 F10 F11 Bosch 7638477

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9314837

Wiring BMW X5 F15 M Sport Rear Park Assist PDC Wiring Harness Loom 9314837

€61.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8638588

BMW F20 F22 F30 LCI 125i 230i 320i 330i B48 Cable Alternator Starter 8638588

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9346273

BMW F15 Kafas Camera Lane Assist Module Control Unit ECU 9346273

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8656997

BMW X5 F15 X6 F16 Ground Cable Negative Battery Lead Wire 8656997

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8636069

BMW F20 F30 LCI B48 Engine Gearbox Module Wiring Cable Loom Harness 8636069

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8574024

Engine Wiring BMW F30 F31 335dX N57Z Automatic Gearbox Cable Harness 8574024

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8373901

BMW 5 7 X5 E38 E39 E53 Steering Column Adjuster Switch Stalk 8373901

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9868383

BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9868383

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8621840

BMW 1 3 Series F20 F21 F30 LCI Starter Motor Engine 8621840

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6879833

Air Module BMW F20 F21 F22 F30 F31 ECU ICM Control Unit ECU 6879833

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 2992478-3

Plug Socket BMW X1 E84 Rear Light In The Side Panel Right O/S Wiring 6984754

€80.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7835548

BMW 5 6 Series E60 E61 LCI E63 E64 M5 M6 Earth Cable Starter Battery 7835548

€26.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6799083

Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6799083

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6927000

BMW E63 E64 Amplifier Holder Catch Bracket Video Module 6927000

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9259800

BMW F10 F12 F13 F20 F30 F06 Mini F55 F56 F57 DVD CD Changer Control Unit 9259800

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7951069

KaFAS Camera BMW F45 Front Camera Control Unit Module 9384688

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9282286

BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9282286

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7191718

BMW Z4 Series E89 Roadster Cabrio Horn High Tone 7191718

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9259354

BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354

€94.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9322122-1

Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7641652-1

Engine Wiring BMW F10 F31 F32 N20 Engine Sensor Module 1 Harness 7641652

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9153966

BMW E93 ECU Body Control Module H1 PL2 JBBFE 61359153966 9153966

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8593105

BMW G30 G11 G14 Diesel B57 Wiring Glow Plugs Module Wiring Harness 8593105

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6964140

BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933264

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9237085

BMW F10 F11 Cable Loom Door Passenger Side Wiring Harness 9240882

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6805061

BMW F45 F46 Mini F55 F56 F57 Parking Assistant PDC Control Unit Module 6805061

€51.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9362445

BMW F20 F21 F22 Audio Amplifier Harman Kardon Active Sound Design Unit 9362445

€104.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9217004

Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9290990

Head Unit BMW F20 F21 F30 Radio Professional CD Player Controller Module 9290990

€275.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9368387

BMW F07 F10 F11 X6 F16 Rear Cabin Entertainment Audio CD DVD Player 9368387

€222.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9289637

BMW F10 Rear Window Parcel Shelf Loudspeaker Speaker Left Right N/O/S 9289637

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

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