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

€32.95

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BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244

€28.95

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BMW X3 E83 Battery Cable Negative Wiring 3412336

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BMW F12 Aerial Amplifier AMP Antenna Supression Filter Module 9227217

€23.95

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BMW E60 LCI E61 LCI Electronic Driver Circuit Centre Console 9138969

€23.95

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€47.95

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BMW X3 Series E83 LCI 1.8d N47 Engine Control Unit ECU Module DDE 8506373 Manual

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BMW E90 E92 E93 LCI Cable Alternator Starter Base B 7839662

€23.95

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BMW F10 F11 Cable Harness Door Driver's Side Right O/S Wiring 9237082

€23.95

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BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine ECU Kit DDE 8576341 Manual

€85.95

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

€51.95

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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487

€189.95

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BMW F10 F11 F30 F31 Alarm System Unit Security Basis Module 8067512

€28.95

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BMW E64 Gateway Module Sensor Air Module Control ECU 6975688

€189.95

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BMW X5 Z3 Series 1 E36 E53 DSC Hydraulic Pump Compressor 1165905 1165904

€37.95

Part no. 8510221-1

BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key

€132.95

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BMW E60 E63 E87 E90 E91 Relay Make Contact White Green 8373700

€23.95

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BMW G20 Starter Wiring Battery Alternator Cable Harness Loom 8483814

€32.95

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

€23.95

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

€23.95

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Battery Lead BMW E81 E87 Battery Cable Negative IBS 9134855 61129134855

€23.95

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

€23.95

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

€104.95

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

€30.95

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

€23.95

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

€85.95

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

€23.95

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

€23.95

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

€66.95

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

€28.95

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

€23.95

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

€23.95

Part no. 8576341-7

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

€161.95

Part no. 9218381-1

BMW F10 F20 F30 Steering Wheel Module Electronics Control Unit 9209427

€37.95

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

€108.95

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

€23.95

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

€23.95

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BMW X3 F25 ICM Control Unit Air Module SRS ECU 6851284

€66.95

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

€23.95

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BMW E88 Convertible Antenna Aerial DAB Rear Trunk Tailgate 9127895

€28.95

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

€23.95

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

€32.95

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

€161.95

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

€23.95

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

€66.95

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

€23.95

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

€32.95

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

€23.95

Part no. 9128573

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

€42.95

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BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic

€284.95

Part no. 9214813

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

€23.95

Part no. 8606445

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

€23.95

Part no. 9393667

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

€56.95

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

€23.95

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

€23.95

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BMW E93 Convertible Seat Control Unit Module ECU 9196937 FSV 7.14.0

€23.95

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BMW E60 E61 E63 Power Distribution Electrical Fuse Box 6957330

€23.95

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

€23.95

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

€23.95

Part no. 9134631

Seat Module BMW E65 E66 Front Seat Control Unit ECU 9134631

€28.95

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

€23.95

Part no. 9253111-2

BMW F20 F21 F22 Positive Plus Pole Battery Blow Cable 9253111

€23.95

Part no. 7843338

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

€37.95

Part no. 8518569-5

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

€80.95

Part no. 8638585

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

€23.95

Part no. 6977427

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

€23.95

Part no. 6782372

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

€23.95

Part no. 6826984

Air Module BMW F20 F21 F30 F31 Control Unit 6826984 0285013630

€23.95

Part no. 9171948

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

€23.95

Part no. 9273584

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

€23.95

Part no. 7490465-1

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

€23.95

Part no. 9319493

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

€23.95

Part no. 9293305

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

€23.95

Part no. 6949226

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

€23.95

Part no. 8624382

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

€23.95

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

€23.95

Part no. 6945146

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

€23.95

Part no. 6915327-1

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

€23.95

Part no. 9329703

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

€23.95

Part no. 6809316

BMW F10 F20 F23 F30 Telematics Module Bluetooth Communications Control 6809316

€85.95

Part no. 6865245

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

€23.95

Part no. 7464634

BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634

€23.95

Part no. 1439743

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

€23.95

Part no. 9325917

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

€23.95

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

€23.95

Part no. 6882963

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

€32.95

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

€23.95

Part no. 9231466

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

€23.95

Part no. 6962888

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

€47.95

Part no. 9350313

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

€32.95

Part no. 6915047

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

€23.95

Part no. 6930302

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

€23.95

Part no. 9352750

BMW X6 F16 F86 Camera Kafas Front Windscreen Camera Module 9352750

€47.95

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

€32.95

Part no. 8582279-3

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

€222.95

Part no. 8678974

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

€32.95

Part no. 9172019

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

€23.95

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