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 E81 E87 LCI E90 N43 170HP Engine Control ECU Kit DME 7595179 Manual

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6819336

BMW F20 F21 F22 F30 F31 F32 F33 Fuse Box Body Control Unit Module REM V5 6819336

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9252637

BMW X1 E84 Parking Control Module Unit PDC ECU 9252637

£56.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7230669

Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7230669

£237.95

Free delivery: Jul 14

If paid before 14:00

Part no. 3420786

BMW X3 E83 Light ECU Control Module Unit Lear LM MAN.LWR 3420786

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9261111

BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear 9261111

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8515466

Engine Wiring BMW E90 E91 LCI 318d N47N Diesel Manual Cable Loom Harness

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9247159

BMW F01 F02 LCI F07 GT Control Unit Module Voltage Transformer VSU400 9247159

£56.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9284973

Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6957123

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

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 3452285

BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5"

£208.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9389657

BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9389657

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9131649

Driver Seat Cable BMW E81 E82 E87 E88 Sensor Mat Wiring 9131649

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6824383

BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 6824383

£94.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 9249080-1

BMW E87 LCI Footwell Light Control Unit Module ECU Lear FRM3R PL2 9249080

£142.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8509722-1

Control Unit Box BMW F20 F21 F22 F30 F31 Engine Ecu Cover 8509722

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9298960

REM Module BMW F20 F21 F30 F31 F32 Body Control Unit 9298960

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6856747

BMW F10 F20 F30 Tow Bar Trailer Towing Control Module Unit AHM 4 6856747

£113.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9252651

BMW 1 2 3 Series F20 F21 F22 F30 Radio Remote Control Receiver 868 MHZ 9252651

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9387262

FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Body Control Unit ECU LR01 9387262

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9229241

BMW E81 E87 E90 E91 LCI E92 E93 Autoradio CD Radio Business 9229241

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8589145

BMW F20 F21 F30 LCI 118d 318d B47 DDE Engine Control Unit ECU 8589145 Automatic

£170.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7608801

Valve Cable BMW F20 F21 F30 F31 Petrol N13 Valve Tronic Wiring Harness 7608801

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6824386

Fuse Box Unit BMW F20 F22 F30 F32 Module ECU Control FEM 6824386

£75.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6943062

BMW E60 E63 E64 LCI Body module ECU 61356943062 6943062

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9264924

BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264924

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9134707

BMW X5 E60 E61 E63 E64 E70 Control Unit Module Passive Go 9134707

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9191568

BMW X5 E70 CCC Navigation System CD Player Sat Nav Head Unit 9191568

£208.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8516246

BMW F10 LCI F20 F22 F30 F32 B37 Wiring Harness Engine Glow Plug Module 8516246

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8375964

BMW 5 7 X5 Series E38 E39 E53 Xenon Headlight Aim Control Unit Module 8375964

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9226328

BMW E90 Body Control Module Junction Box H1 PL2RR JBBFE IIIR 9226328

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 1709317

BMW X5 E53 E60 E61 E63 E64 Petrol Engine Ping Knock Sensor 1709317

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9114448

BMW 5 Series E61 Touring Body Control Module ECU Control Unit High 9114448

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6939811

BMW E85 Roadster Cabrio Safety Information Air Module 6939811

£227.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9273188

BMW E81 E87 E90 LCI Professional Navigation Car Radio Player CIC 9273188

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6939069

BMW X5 E53 X3 E83 Control Unit Xenon Adaptive Headlight Ballast 6939069

£42.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6962678

BMW E81 E87 E91 Switch Cluster Steering Column Wiper Stalk 6962678

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7394651

BMW 5 F11 Touring Rear Boot Trunk Lid Tailgate Control Unit Module ECU 7333928

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9289115

Radio Professional BMW E81 E87 E90 E91 LCI Autoradio CD Bluetooth 9289115

£142.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9176078

BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9176078

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9195756

BMW E60 E61 LCI M-ASK M-Audio Navigation System Controller Player 9195756

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6957026

BMW E65 E66 Control unit power ECU module 6957026

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9222861

BMW 1 3 Series E87 E90 LCI CIC Sat NAV Screen Navigation Professional 9222861

£237.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6928935

BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 6928935

£56.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7850599

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

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6820235

BMW F20 F30 Mini F55 F56 Control Unit Air Conditioning Module 6820235

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6938064

BMW E65 E66 E67 Amplifier Rear Window Antenna Amplifier Module 868MHZ

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9355549

BMW F20 F22 F21 F30 F32 LCI ECU USB Hub Module 9355549

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7579142-1

BMW E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7579142 CAS3 Key

£113.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9343317

Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 9343317

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. rhd-8507776

BMW X1 E84 20dX N47N Engine Gearbox Wiring Loom Harness Cables 8507776

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9273671

BMW 4 F33 Cabrio Convertible DAB Digital Radio Aerial Antenna Amplifier 9273671

£66.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8624382

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

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9383069

Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav High Control Module 9383069

£113.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 7537365

Cable Wire BMW E60 E61 E81 E87 E90 Tubing For Clamp 7537365

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6942990

BMW 5 6 Series E60 E61 E63 E64 Actuator Air Distribution Flap Matrix Heater

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6938109

BMW E60 E63 E90 E91 LCI Dashboard Dash Monitor Display Screen 6,5 6938109

£32.95

Free delivery: Jul 14

If paid before 14:00

Part no. rhd-7570540

BMW 1 3 E87 LCI E90 Petrol N43 Wiring Loom Harness Manual Gearbox 7570540

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9230432

BMW X5 E70 Footwell Light Control Module Unit Lear FRM3R VDM 9230432

£151.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 9366167

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

£569.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7075944-2

BMW E60 E65 E70 Front Right Seat O/S Height Adjustment Drive 7075944

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7492026-1

Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026

£85.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6955925

BMW X5 E53 X3 E83 Control Unit Sliding Lifting Roof Panorama 6955925

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. RHD-F20-ANDROID-SCREEN

BMW F20 F21 LCI F23 GPS Navigation Sat Nav Display Screen Android Auto 10,25"

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9168336

BMW X1 E84 Diversity Aerial Antenna Amplifier DAB 9168336

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9247465

BMW X5 E70 X6 E71 Body Control Unit Module Junction Box ECU 9247465

£142.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7520912-1

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

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6900582

BMW 7 Series E65 E66 Fuse Board Power Distribution Box

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. rhd-7529723-1

Engine Wiring Loom BMW E60 E61 520i 525i 530i Petrol M54 Wire Ceble 7529723

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9291956

BMW 1 Series F20 F20N LCI Front Door Wiring Loom Harness Driver Side 9291956

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9251701

BMW F20 F21 F30 F32 CIC Display Screen Connecting Cable Wiring Loom Lead 9251701

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9127088

BMW E81 E90 DC/DC Torque Converter Module Wandler 9253208 9127088

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9306085

BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085

£42.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9389856

BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 9389856

£56.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9224588

BMW E81 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9224588

£137.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9128602

Cables Wiring BMW E81 E87 LCI Front Bumper PDC Loom Set 9128602

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9193748

BMW E60 E63 On-board Navigation Display Monitor Screen 6,5" 9193748

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9167202

BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167202

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9288304

FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Control Unit 9288304

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6879833

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

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6944962

BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7120204

BMW E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6954130

BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Right O/S 6954130

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7616200-1

Negative Battery Cable BMW E90 E91 E92 E93 Minus Pole IBS 7616200

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6947786

BMW E60 E61 E63 E64 Steering Column Adjuster Switch 6947786

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7316147

BMW F30 F31 F34 Headlight Module Xenon Headlamp Control Unit Lear TMS 7316147

£61.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6982387

BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6982387

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8355056

BMW 5 X5 Series E53 Fuel Tank Flap Actuator 8355056

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9226711

BMW E60 E87 E90 E91 Hands Free Electronics Charging MULF2 Module 9226711

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6807633

Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 6807633

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. E87 E90 Cable Aux 178cm

BMW 1 3 5 6 7 X1 X3 X5 X6 Series E81 E87 E90 Cable Audio Aux In Socket 178cm

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8379567

BMW X5 Series E53 Loudspeaker Stereo Left Front Door N/S 8379567

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6887358

BMW F10 F11 EMF Module Parking Brake Unit Electric Control 6863800

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6798872

BMW F10 F11 F30 F31 Wheel Electronics Module RDC 433MHZ Control Unit 6798872

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9274021

BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9274021

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9217036

BMW F07 F10 F11 F12 F13 Battery Cable Wiring Plus Pole 9217036

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6858017

BMW F10 F11 LCI Control Unit EMF Module 6858017

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9280185

Air Module BMW F10 F11 F01 F02 F03 LCI Control Unit ECU 9280185

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9243913

BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9243913

£70.95

Free delivery: Jul 14

If paid before 14:00

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