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 G30 G31 LCI High Voltage Battery Cable Wiring Harness Charger 9884543

€132.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573779-3

BMW F30 330dX 258HP N57N Control Unit Module ECU DDE 8573779 Key FEM Automatic

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8586540-5

BMW F30 F32 LCI 330d 430d N57N 258HP Control Unit ECU Kit DDE 8586540 FEM Key

€398.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6989713

BMW 1 3 Z4 Series E88 E89 E93 Convertible Cabrio DWA-Alarm System Module 6989713

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8580308-1

BMW X1 E84 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8580308 CAS3 Key

€237.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9187011

BMW F01 F07 GT Console Lightning Centre LED Lamp Light Cable Wiring 9187011

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9364401

BMW G20 G21 G30 G31 Positive Battery Cable Lead Cover Cap 9364401

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8715688

BMW i4 G26 iX3 G08 Cover Base B+ Positive Distributor Cap Fuse Box 8715688

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9118467

BMW X5 X6 Series E70 E71 Seat Backrest Adjustment Adapter Lead Cable 9118467

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6796503

BMW F07 GT ICM Integrated Module Chassis Management QL ES Control Unit 6796503

€28.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6938226-1

BMW E90 E90N E91 E91N LCI M3 Wiring loom rear door left right 6938225

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9303637

BMW Z4 E89 AUX USB Smartphone Connection Lead Cable Wiring 9303637

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8373700-3

BMW E60 E63 E87 E90 E91 5X Relay Make Contact White Green Set 8373700

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7350697-2

BMW X1 F48 Rear Light Lamp Trunk Tailgate Left N/S Loom Harness Wiring 7350697

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6840094

BMW X1 F48 Rear Door Wiring Loom Harness Cable Left N/S 6840096

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9153136

BMW F01 F02 F03 LCI Holder Bracket Control Telematics Unit 9153136

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7928587

BMW F44 G20 G30 Audio Amplifier Sound System Unit Module ECU 7928587

€99.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9153418-1

BMW 5 Series F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7636937

Ping Sensor BMW F20 F31 LCI Mini F55 F56 Engine Block Knock Sensor 7636937

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9219646

BMW X5 E70 Front Bumper Park Sensor PDC Wiring Harness Cable Loom 9219636

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7545165

BMW E87 E90 116i 316i Petrol N45 Wire Wiring Harness Engine Gearbox Mod Loom

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8582280-3

BMW F20 F21 116d N47N 116HP ECU Kit DDE 8582280 + Key + Lock + FEM Manual

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6935600

BMW E81 E82 E87 E90 E91 PDC Parking Ultrasonic Sensor Sonora Metallic 6935600

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7434272

BMW F20 F21 F30 F31 Headlight Control Module Ballast Unit 7429127

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9326085

BMW Gran Turismo F34 Front Parking Sensor PDC Wiring Loom Harness 9326085

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7588405

BMW 3 7 Series F30 LCI G11 Hybrid Battery Charging Connector Plug Unit 8605862

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7558911

BMW 1 Series E81 E82 E87N E88 NOx Cable Wiring Petrol 7558911 12517558911

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9361589

BMW 2 F45 Active Tourer Door Wiring Loom Harness Cable Driver's Side 9361600

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7641661-2

BMW F10 F20 F30 Petrol N20 Wiring Harness Motor Sensor System 2 Module

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8514577

BMW X3 F25 Diesel N47N Engine Gearbox Wiring Loom Harness 8514577

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9283429

BMW E90 E91 E92 E93 LCI Radio CD Player Multimedia Head Unit 9283429

€569.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6807332

BMW G30 530e 530eX B48X Hybrid Battery Wiring Positive Under Floor Cable 6807332

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9894913-4

BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU Kit DME 9894913 FEM + Key

€512.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9279391

BMW 5 G11 G30 M5 Door Crash Sensor Front 9279391

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7336450

BMW F07 GT LCI Trunk Boot Lid Emblem Logo BMW Badge Cap Trim Cover 7336450

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A898F2

BMW F70 F74 F78 Parking Brake Wiring Harness Cable Rear 5A898F2

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9267467

BMW F13 Body Control Module Electronic Junction Box JBBFE 3 PL6 V3 9267467

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9367700

BMW X6 F16 PDC Bumper Park Assist Wiring Harness Loom 9367700

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9207515

BMW X1 E84 Battery Cable Wire Lead Positive 9207515 61129207515

€56.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. 8573257

BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Module ECU DDE 8573257 Manual

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9361601

BMW Active Tourer F45 Door Wiring Loom Harness Cable Rear Right O/S 9361577

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9190107

BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190107

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7622995

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9286365

BMW X1 X2 Series F39 F48 Antenne AM Antenna Amplifier Cable 9286365

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8513249-1

BMW X3 F25 Engine ECU Kit DDE CAS4 N47N 20dX 184HP Manual 8513249 Keys + Lock

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7953081

BMW X1 U11 Battery Cable Negative Terminal PHEV Earth Cable Wiring PHEV 7953081

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9260902

BMW E81 E82 Driver's Door Wiring Loom Harness Cables 9260902

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9281068

Antenna Receiver BMW F33 F83 M4 Convertible Aerial DAB Unit 9281068

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9354758

BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK Mid 9354758

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 30327N

BMW F20 F21 F30 F34 Diesel Engine Starter Motor 30327N

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8507918

BMW F20 F21 N47S1 Engine Wiring Harness Injector Module Loom Cable 8507918

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9347964

BMW F01 F02 F03 F04 F10 F12 F13 F30 F31 F32 F34 TV Module Control Unit 9347964

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9190110

BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190110

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6957123

BMW 3 Series E92 Front Left N/S Door Wiring Cables Harness Loom 6957123

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8490050-1

BMW F70 F74 Mini F65 F66 Petrol Catalyst Differential Pressure Sensor 8490050

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9289548

BMW F31 F31 LCI Trunk Lid Baggage Door Wire Wiring Cable Harness Loom 9289548

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6772102

BMW X5 X6 E70 E71 Holder Bracket Actuator Unit 6772102

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9360501-3

BMW F40 F48 Mini F56 Distribution Fuse Box Rear Electric Power Fuse Box 9360501

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7624621

BMW X1 F84 Starter Wiring Battery Alternator Cable Harness Loom 7624621

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6794618-1

EMF Actuator BMW F10 F12 Brake Caliper Parking Brake Unit Electric 6794618

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9891437

BMW F40 F44 G20 LED Ambient Light Module Control Unit Violet 9891437

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8475125-1

BMW X1 F48 B47 190HP Engine ECU Control Unit Kit 1.5 Diesel 8475125 Automatic

€569.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6950525

BMW 3 6 Series E63 E64 E93 DWA Alarm System Module Unit 65756950525 6950525

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8321087-1

BMW E60 Front Seat Height Adjustment Electric Motor Actuator 0390203234 8321087

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9873895

BMW F40 Crash Control Unit Air Module ECU Continental 9873895

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6821404

High Voltage Cable BMW F45 Mini F60 Hybrid Plugin Alternator 6821404

€332.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6933162

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

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6819335

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

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7533283

BMW X3 Z4 Series E83 LCI E85 E86 Cover Top Power Distribution Fuse Box 7533283

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8678968

Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 1 Harness 8678968

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7951288

BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 7951288

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6920469

BMW E65 E66 E67 Sensor A-pillar Right Airbag 65776920469 6920469

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9873545

PDC Module BMW F40 G20 G21 Parking Assistant Control Unit Module ECU 9873545

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7519401

BMW 5 Series E60 E61 Positive Battery Starter Alternator Wire Cable 7519401

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8377240-1

BMW F10 F11 Light in Trunk Lid Right O/S Rear Lamp Plug Socket Wiring 8377240

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6823589

BMW F10 Xenon Footwell Light Module Control Unit ECU FRM III 9126314

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8582279

BMW F30 320d ed Diesel N47N 184HP Engine Control Unit ECU DDE 8582279

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9247481

BMW X3 F25 Control Module CAS Unit ECU 20dX Diesel N47N 9247481

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9380933

BMW F45 Front Door Wiring Driver's Door Cable Wiring Loom Harness 9380933

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6824128

BMW F45 Mini F60 Hybrid High Voltage Cable Harnes 6824128

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6924560

Xenon Light Module BMW E60 E61 E63 E66 Headlight Control Module Unit ECU 6924560

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A61AA3

BMW X1 U11 Radio Remote Control Car Key Wireless BDC ECE ROW 5A61AA3

€7,599.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9217234

Module Bracket BMW X3 F25 X4 F26 Control Unit Holder Carrier 9217234

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9273629-1

BMW 5 Series F10 Footwell Light Module ECU Control Unit FRM III TEMIC 9273629

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9367814

BMW 2 X1 X2 F39 F45 F48 Map Card Fuse Box Grouping Diagram 9367814

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8578495

Engine Wiring BMW F30 F31 330d F32 F36 430d N57N Loom Harness Cable 8578495

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8582280-13

BMW F20 Engine Control ECU 117HP 116d N47N N47D20C 2.0 Diesel 8582280 Manual

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9259581

BMW X3 F25 Map Card Fuse Box Grouping Diagram 9259581

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9270354-1

Mini F55 F56 BMW F45 X1 F48 Rear Electric Power Distribution Fuse Box 9270354

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6801294

BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM3R VDM 6801294

€265.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9380940

BMW F45 Front Door Wiring Passenger Door Cable Wiring Loom Harness 9380940

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7369120-2

BMW F30 F31 LCI Plug Socket Rear Right O/S Light Trunk Lid Boot Wiring 6984754

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9270500

BMW X3 E83 PDC Parking Ultrasonic Sensor Angled Schwarz

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9252819

BMW F01 F07 F10 F11 F12 Camera Module Based Assist Systems Control Unit 9252819

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9390576

Airbag Module BMW X1 F48 F45 F46 Air Bag Control Unit ECU 9390576

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9386929

BMW F22 F23 LCI Rear Bumper PDC Cables Wiring Loom Set 79720211

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9118108

BMW 1 Series E81 E82 Wiring Set Door Co-driver 9118109

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8510221-3

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

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

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