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 5 Series E60 E90 325i 525i N52 218HP DME ECU 7567178 Kit CAS3 Key Manual

€332.95

Free delivery: Nov 12 – 13

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Part no. 6850426

BMW X3 F25 ICM Air Module Control Unit ECU Domain Module 6850426

€70.95

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Part no. 9261620

BMW F20 F21 F30 Ultrasonic Parking Sensor PDC Front Havanna Metallic - A17

€23.95

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Part no. 9250456

BMW F12 Footwell Light Module Control Unit ECU FRM3 9250456

€132.95

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Part no. 9383699

BMW X3 F25 X4 F26 Footwell Light Control Module Unit 9383699

€123.95

Free delivery: Nov 12 – 13

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Part no. 8576333-11

BMW F20 F30 120d 320d N47N 184HP Engine Control Unit ECU DDE 8576333 Manual

€56.95

Free delivery: Nov 12 – 13

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Part no. 9107240

BMW G20 G21 G22 G23 G26 Dashboard Wiring Cable Connector Loom Harness 9107240

€32.95

Free delivery: Nov 12 – 13

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Part no. 9321023

BMW F45 X1 F48 Mini F55 F56 B+ Junction Terminal Power Distribution Box 9321023

€23.95

Free delivery: Nov 12 – 13

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Part no. 6812218

BMW X1 F48 Rear Left Right N/O/S Door Wiring Harness Loom 6812218

€23.95

Free delivery: Nov 12 – 13

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Part no. 9311188

BMW F10 LCI LED Module Loom Harness Connector Plug 520d N47N N47D20C 9311188

€23.95

Free delivery: Nov 12 – 13

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Part no. 9139868-BS

BMW X3 E83 LCI X5 E70 LCI PDC Parking Ultrasonic Sensor Black Sapphire - 475

€23.95

Free delivery: Nov 12 – 13

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Part no. 3412005

BMW X3 E83 Front Door Air Module Crash Impact Sensor 3415299 3412005

€23.95

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Part no. 9366167

BMW F30 F31 F32 F36 Top Hifi Audio System AMP Amplifier Harman Kardon 9366167

€664.95

Free delivery: Nov 12 – 13

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Part no. 5A130F9

BMW F40 F44 G20 Parking Control Module Unit USS ECU LOW 5A130F9

€37.95

Free delivery: Nov 12 – 13

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Part no. 6772742

BMW 3 4 Series F80 M3 F82 M4 Control Unit Active Sound Design 2622362

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9302458

BMW F32 Wire Harness Loom Cable Wiring Rear Adapter 9302458

€23.95

Free delivery: Nov 12 – 13

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Part no. 7222633-1

BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633

€23.95

Free delivery: Nov 12 – 13

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Part no. 7835872

BMW 5 Series E60 E63 E64 Carrier Holder Amplifier/Video Module Fairing EDC

€23.95

Free delivery: Nov 12 – 13

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Part no. 7528933

BMW E90 E81 E92 E94 ECU Computer Module Housing Box Trim Carrier Bracket 7528933

€23.95

Free delivery: Nov 12 – 13

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Part no. 7195197

BMW E88 Convertible Folding Top Roof ECU Module CVM Bracket Holder Mount 7195197

€23.95

Free delivery: Nov 12 – 13

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Part no. 6928944

BMW X3 Series E83 Battery Positive Cable Fuse Box 61136928944 6928944

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9313607-1

BMW F30 F31 F32 Front Bumper PDC Wiring Loom Cable Harness 9313607

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7604347-1

BMW F20 F30 F31 F32 Bracket Holder Power Distribution Control Unit 7604347

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8510832

BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Automatic

€151.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8685853

BMW F40 X1 F48 Mini F55 F56 F60 Engine Injector Wiring Loom Harness 8685853

€85.95

Free delivery: Nov 12 – 13

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Part no. 7514357

BMW Z4 E85 Roadster Cabrio Cable Alternator Starter Base B 7514357

€23.95

Free delivery: Nov 12 – 13

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Part no. 9334789

BMW G11 G12 G30 G31 G32 Wiring Harness Cable Duct Holder Left N/S 2018 9334789

€23.95

Free delivery: Nov 12 – 13

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Part no. 8715708

BMW F40 F44 Front Parking Sensor Wiring Loom Harness Cable 8715708

€85.95

Free delivery: Nov 12 – 13

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Part no. 9247939

BMW X3 F25 Radio Head Unit CD Player Autoradio Alpine 9247939

€327.95

Free delivery: Nov 12 – 13

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Part no. 6907519-1

BMW 7 SERIES E65 E66 E67 Battery cable plus pole 6907519

€23.95

Free delivery: Nov 12 – 13

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Part no. 9354071

BMW F45 F48 Door Adapter Line Wire Wiring Harness Rear Left Right N/O/S 9354071

€32.95

Free delivery: Nov 12 – 13

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Part no. 6809049

BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 6809049

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8605458

Wiring BMW X1 E84 F11 N20 Engine Sensor System Module Wiring Harness 8605458

€108.95

Free delivery: Nov 12 – 13

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Part no. 7856817

BMW F90 M5 F91 M8 Battery Cable Wire Lead Positive Alternator Starter B+ 7856817

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9855632

BMW F70 F74 48V Battery Tray Clamping Mount Holder Bracket 9855632

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 81CP103

BMW X1 U11 F74 Gran Coupé Fuel Pressure Sensor Control Unit 220i B38 81CP103

€37.95

Free delivery: Nov 12 – 13

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Part no. 8582280-1

BMW F20 F21 116d N47N 116HP Engine Control ECU Kit DDE 8582280 Manual

€303.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9140942-BAR1

BMW E87 E90 E91 LCI Rear PDC Ultrasonic Parking Sensor SET X2 Barberarot - A39

€28.95

Free delivery: Nov 12 – 13

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Part no. 9133131

BMW X6 E71 Washer Reservoir Wiring Harness Cable Loom 9133131

€28.95

Free delivery: Nov 12 – 13

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Part no. 6958526-1

BMW 5 X5 X6 Series 1 E60 E61 E70 E71 F10 F11 Seat Adjustment Switch Right O/S

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9317866

BMW 3 Series F30 330e Hybrid Battery Accumulator Bracket Holder Mount 9317866

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6928658

BMW E87 LCI Front Door Wiring Loom Drivers Side 6928658

€23.95

Free delivery: Nov 12 – 13

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Part no. 6932399

BMW X5 E53 Cable Loom Plug Socket Connector Wiring Harness 6932399 6932396

€23.95

Free delivery: Nov 12 – 13

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Part no. 9123739

BMW 1 3 5 7 Series E81 E87 E90 E91 E92 F01 USB USB Hub Audio Interface Module

€23.95

Free delivery: Nov 12 – 13

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Part no. 6991401

BMW G20 330e Hybrid Jump Start Positive Terminal 6991401

€23.95

Free delivery: Nov 12 – 13

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Part no. 7187221

BMW F01 F02 F03 LCI Rear Third Stoplamp Stop Lamp Brake Light 7187221

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8639595-15

BMW F32 420iX Petrol N20 184HP Engine Module ECU Kit DME 8617551 Automatic

€379.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8634244

Engine Wiring BMW F45 Mini F60 B38 Loom Harness Injection Valve Ignition 8634244

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9287439

BMW F21 Front Door Harness Wire Loom Electric Cable Passenger Side 9287439

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9350314

BMW G30 G31 G11 G12 G32 G38 Front Power Distribution Fuse Box Left N/S 9350314

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9269941

BMW X1 E84 Front Door Cable Harness Loom Driver Side Wiring 9233551

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6850955

Brake Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6850955

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8586540-3

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

€203.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8515795

BMW E87 E90 F20 F30 Engine Starter Motor Actuator N47 N47N Diesel 8515795

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9393660

BMW F10 Central Gateway Module Control Unit Lear ZGW-02 4SK 9393660

€23.95

Free delivery: Nov 12 – 13

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Part no. 6844126

On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 6844126

€455.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A7A0C5

BMW U06 X1 U11 Fuel Injector Electrical Wiring Harness Cable B38 Petrol 5A7A0C5

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7856819

Battery Cable BMW F90 M5 F91 M8 Wire Lead Positive Alternator Starter B+ 7856819

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6940298-1

BMW E60 Air Module Control Unit Gateway Sensor B Pillar Right O/S 6940298

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9225014-1

BMW F23 F30 Distributor External Ignition Base Control Unit Module 9225014

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9393671

BMW F12 LCI Junction Box Module Control Unit V12 9393671

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6905950

BMW X5 Series E53 Spoiler Dualband Antenna Amplifier Aerial 6905950

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7835431

Carrier Air Conditioner BMW E60 M5 E61N E63 E64 M6 Compressor 7835431

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6990090

BMW E61 E63 E90 E92 F06 Mini R55 R56 Trap Circuit Antenna 6990090

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9247081

BMW X1 E84 Wiring Loom Harness Passenger Side 9247081

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8716572

BMW G20 G21 G80 G80 LCI Door Trim Panel Wiring Loom Harness Rear 8716572

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6927311

BMW E60 Front Seat Control Unit Module Controller ECU 6927311

€23.95

Free delivery: Nov 12 – 13

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Part no. 7520912-1

BMW E60 E61 E63 E64 LCI Lid Cover Panel Electronic Box 7520912

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8584276-1

BMW F30 F31 320d Diesel N47N 163HP ECU Kit DDE 8584276 + Key + FEM 8584276

€237.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6940763

BMW 7 Series E65 E66 E67 Ultra Sonic-Module 6940763

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573260-1

BMW F20 F21 116d ed Diesel N47N 116HP Engine Control ECU DDE 8573260 Manual

€71.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9137725-1

BMW E63 E64 LCI Camera Lane Departure Warning Unit 9137725

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6952477

BMW 5 Series E60 E61 Centre Console Switch Centre DTC PDC 6952477

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9210860

BMW X3 F25 Rear Fuse Box Power Distribution Control Unit Box 9210860

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8492458-2

BMW F20 F21 LCI Headlight LED Black Line Lamp Right O/S Harness Loom 8739574

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6941591

BMW E60 Headlight Control Module Adaptive Socket Housing Module Unit 6941591

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8621486

BMW F20 F21 LCI F36 F87 M2 N55 Cable Alternator Starter Base B Wiring 8621486

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7801158

BMW 3 5 X5 Series E60 N E70 E90 F30 Exhaust Lambda Probe Oxygen Sensor 7801158

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6970086

BMW 5 6 Series E60 E61 E63 LCI Cable Set Start / Stop Switch Wiring Loom 6970087

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3420783

BMW X3 E83 Light Control Unit Module LEAR LWR ECE 3420783

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6886210

PDC Module BMW F20 F21 F22 F23 Parktronic Parking Assist Control Module 6886210

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6895660

BMW G20 G21 ABS Rotational Wheel Speed Sensor Front Left Right N/O/S DSC 6895660

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6929701

BMW 7 Series E65 E66 Alarm System Ultra Sonic Module 65756929701 6929701

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6798708

BMW X5 E70 LCI X6 E71 Distronic Radar Sensor Control Module Unit 6798708

€531.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7239175-1

BMW F30 F80 M3 Battery Cover Trunk Trim Panel Right Boot 7239175

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6989207

BMW X3 E60 E61 E83 PDC Parking Sensor Ultrasonic Titanium Grey A36

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9131642

BMW E87 E90 E91 E92 Front Seat Heating Wiring Loom Harness Cable 9131642

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7621178-14

BMW 3 E92 lci 318i 2.0 142HP Engine Control Unit Key ECU DME Manual 7621178

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6875997

ICM Control Unit BMW F01 F02 LCI F06 F10 F11 F13 ECU Module 6875997

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8508208-1

BMW F10 F11 520d 530d N47N N57 E-Box Control Unit Box 8508208

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6900583

BMW E65 E66 Power Distribution Box 6900583

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9399997

BMW X5 F15 LED Light Lamp Control Module 9399997

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9291958

BMW F20 Front Door Wiring Cable Loom Harness Driver's Side 9291958

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6929557

Air Module BMW E65 E66 Driver's Seat Sensor Control Unit 6929557

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9325654

BMW F30 F35 F31 F32 Front Electronic Body Contol Module Unit FEM BCM 9325654

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7304902

BMW F11 F11N Rear Function Body Control Module ECU 7304902

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7521582

BMW E46 E83 E85 Engine Electronics Unit Box Cover Trim 7521582

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9297613

BMW F12 Front Seat Wiring Loom Harness Cable Right O/S Side 9297613

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8591073-14

BMW F45 Engine Control Unit ECU 115HP 1.5 Diesel 216d B37 B37C15A 8591073 Manual

€474.95

Free delivery: Nov 12 – 13

If paid before 14:00

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