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 E60 E63 E87 E90 E91 Relay Make Contact White Green 8373700

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8483814

BMW G20 Starter Wiring Battery Alternator Cable Harness Loom 8483814

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6882780

BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6882780

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7329074-1

BMW X3 E46 E63 E83 Mini R50 R53 Control Unit Xenon Light 7329074

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9134855-1

Battery Lead BMW E81 E87 Battery Cable Negative IBS 9134855 61129134855

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9157158

BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157158

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9226365

BMW F10 F11 Head Unit Basis Media Navigation System Controller Headunit 9226365

€104.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7520429

BMW 1 3 Series E87 E90 E91 Petrol N45 N46 118i 320i Flywheel Automatic 7520429

€30.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9163173

BMW E60 E61 LCi Right Left Rear Door Wiring Loom N/O/S 9120797

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8518424-1

BMW F20 F30 118d 318d N47N 143HP Engine Control Unit ECU DDE 8518424 Manual

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7625998

BMW F20 F21 F22 F30 F31 F32 F33 Line Cable Power Distribution Module 7625998

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9874189

BMW 1 3 Series F20 F30 MINI F56 Control Unit Air Conditioning Module 9284440

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9340522

BMW 5 F10 LCI Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9340522

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7850599

BMW F80 M3 F82 M4 Wheel Accelerator Sensor Cable Rear Axle Suspension 7850599

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1432237

BMW 3 5 7 Z3 Z4 X5 Series E38 E39 E46 E53 Climate Comprresor Supporting Bracket

€23.95

Free delivery: Nov 12 – 13

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Part no. 6929345

BMW 1 3 Series E82 E90 E92 Roof Antenna Aerial Shark Fin GPS Radio Tel 6929345

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8576341-7

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

€161.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9218381-1

BMW F10 F20 F30 Steering Wheel Module Electronics Control Unit 9209427

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6866330

VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6866330

€108.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9149673

BMW 5 Series E60 E61 LCI Alarm System Unit Ultra Sonic Module 9149673

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6885215

BMW F90 M5 F91 M8 G05 G11 G30 Steering Column Control Unit Module 6885215

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6851284

BMW X3 F25 ICM Control Unit Air Module SRS ECU 6851284

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6941416

BMW 5 6 Series E60 E61 E63 E64 6-disc Compact CD Changer 6941416

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9127895

BMW E88 Convertible Antenna Aerial DAB Rear Trunk Tailgate 9127895

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9253111-1

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7627021

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

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7606629

BMW X5 Series E70 Four Wheel Drive Transfer Box Control Unit Module 7606629

€161.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8378753

BMW 3 5 7 X5 Series E38 E39 E46 E53 E65 Reception Antenna RDC 433MHZ 8378753

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8586571

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

€66.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 7640875

Alternator Generator BMW F10 F20 F30 LCI Diesel Engine Unit Denso 180A 7640875

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8267406

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

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 8606445

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8512047-4

BMW E90 E91 LCI N47N 320d 184HP Engine Control Unit ECU DDE 8512047 Automatic

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9393667

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

€56.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6957330

BMW E60 E61 E63 Power Distribution Electrical Fuse Box 6957330

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9134631

Seat Module BMW E65 E66 Front Seat Control Unit ECU 9134631

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9243896

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9253111-2

BMW F20 F21 F22 Positive Plus Pole Battery Blow Cable 9253111

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7843338

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

€37.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 8638585

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

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6826984

Air Module BMW F20 F21 F30 F31 Control Unit 6826984 0285013630

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9273584

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

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6949226

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

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6945146

BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945146

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6809316

BMW F10 F20 F23 F30 Telematics Module Bluetooth Communications Control 6809316

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6865245

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7464634

BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9325917

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

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6925964

BMW X3 E83 Drive For Window Lifter Motor Front Right O/S 6925964

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6962888

Air Module Sensor BMW Z4 E64 E85 B Pillar Right O/S 6962888

€47.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9352750

BMW X6 F16 F86 Camera Kafas Front Windscreen Camera Module 9352750

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6792659

BMW X5 E70 X6 E71 Control Unit Dynamic Drive Front Axle Suspension 6792659

€28.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 8678974

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

€32.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9266384

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

€56.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9154413-1

BMW E93 LCI Convertible GPS Antenna Aerial Unit Module 9154413

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6904165

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8626086

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

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7599881-21

BMW E87 LCI E90 E91 118i 318i N43 143HP Engine ECU KIT DME 7599881 Manual

€80.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9152262-1

BMW X5 X6 E70 E71 Front Impact Crash Sensor Module 9152262

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6948692

BMW E60 E61 E63 Passenger Side Door Airbag Control Module 6948692

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7823731

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

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9118729

BMW E60 E61 Body Gateway Module KGM HIGH 9118729

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9159129

Head Unit BMW X3 E83 Z4 E85 Mini R50 DVD GPS Navigation System Computer 9159129

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9229872-2

BMW E92 LCI Body Control Module ECU Junction Box L1 PL2RR JBBFE IIIR 9229872

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6951674-AW

BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Alpine White 3 - 300 6951674

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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