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 U06 Active Tourer Control Unit Module 5A180E1

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9269983

BMW F06 Electric Wiring Cable Loom Harness 9269983

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9313933

BMW F13 Footwell Light Module Control Unit ECU FRM3 9313933

£56.95

Free delivery: Jul 14

If paid before 14:00

Part no. 5A53059

Heater Module BMW F40 F44 Air Conditioning System Control Unit ECU 5A53059

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8512589

BMW E81 E82 E87 LCI E88 N47S 123d 204HP Engine Unit ECU Kit DDE 8512589 Manual

£284.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 8576341-5

BMW F20 F21 F30 F31 118d 318d 143HP N47N ECU Kit DDE 8576341 + Key + FEM

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6967184

BMW X5 X6 Series E70 E71 Positive Battery Cable Terminal Box Base B+ 6967184

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 3427749

BMW X3 E83 Cable Loom Door Passenger Side Wiring Harness 3412570

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8507906

BMW 1 3 F20 F21 F30 Engine Gearbox Wiring Harness Glow Plug Module 8507906

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8582279-5

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

£474.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6852204

BMW F01 F02 F12 F13 VDC Module Rear Suspension Level Control Unit 6852204

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8639595-7

BMW F20 F21 125i N20 218HP Engine Control Unit ECU DME 8639595 Automatic

£332.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6942556

BMW E87 E90 Seat Wiring Front Sport Seat Lumbar Loom Harness Cable 6942556

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9163149

BMW E60 E61 Door Wiring Harness Loom Cable Rear Left Right N/O/S 9163149

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 5B34AB1

Head Unit BMW G20 G30 X3 G01 X4 G02 High 3 Control Module Harman 5B34AB1

£522.95

Free delivery: Jul 14

If paid before 14:00

Part no. RHD-9221872

BMW X5 X6 E70 E71 Driver's Side Seat Wiring Loom Cable Harness 9221872

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6860827

BMW F20 F21 F22 F23 F30 F31 Park Assist Control Module Unit PDC 6860827

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9346806

BMW F01 F02 F03 LCI F06 F10 F13 Antenna Amplifier Diversity 868 MHZ 9346806

£51.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9286236

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

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9252330

BMW F01 ECU Body Control Module Unit Junction Box Pl6 JBBFE III V5 9252330

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8589145-20

BMW F31 LCI Engine Control Unit ECU 163HP B47 B47D20A Manual Diesel 8589145

£170.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 6751504

Module Holder BMW X5 E53 Rear Tyre Pressure Control Module Mount Bracket 6751504

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7801216-1

BMW X3 E83 2.0d 150HP M47N2 Diesel Engine Control ECU DDE Kit 7801216 Manual

£341.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 8583683-1

Engine Wiring Mini F56 BMW F45 Harness Cable Supply Module Control Unit 8583683

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9386929

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

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8573257-8

BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE CAS4 8573257 Key + Lock

£208.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7944003

BMW G30 G31 G11 G32 GT PDC Module Parking Assist Distance Control Unit 7944003

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 5B87854

BMW F74 Gran Coupé Air Module ECU Control Unit 5B87854

£450.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. rhd-6914302

Heater Wiring BMW E65 E66 Cable Harness Loom Matrix Air Conditioner 6914302

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8577839-1

BMW F32 F33 430d N57N 258HP Engine ECU DDE Kit 8577839 FEM + Key Automatic

£137.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9252549

BMW F12 Front Seat Control Unit Module Memory ECU 9252549

£32.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9110621

BMW 3 Series E90 E92 LCI Suppression Filter for Antenna 9110621 652 9110621

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7360999

Sunroof Module BMW i3 I01 Control Unit ECU Sliding Roof Assy 7360999

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 5A55AD2

Audio Amplifier BMW F40 F44 X3 G01 Sound System Top Hifi Unit Module 5A55AD2

£246.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8672514-1

BMW F80 M3 F82 F83 M4 431HP Engine Control ECU Kit DME 8672514 + FEM Module Key

£949.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 8514766

BMW 1 Series F20 114d 116d ed N47N Wiring Harness Engine Glow Module 8514766

£151.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6863386

BMW F33 ICM Control Unit Module ECU 6863386

£66.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9131725

BMW 1 Series E87 Wiring Loom Harness Cable 9131725

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8506570

BMW X5 E70 X6 E71 30dX Diesel N57 245HP Engine Module ECU 8506570 Automatic

£237.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 6929183

BMW 6 Series E63 E64 Amplifier Holder Audio Catch Bracket Trim Panel 6929183

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. RHD-8730148

BMW G30 Door Wiring Loom Harness Cable Driver's Side 8730148

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9222862

BMW E91 LCI Radio Sat Nav CD DVD DAB Player Reader GPS Head Unit 9222862

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8508654

BMW F10 F11 N47S1 Engine Injector Module Wiring Harness 8508654

£42.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9146702

BMW E92 TV Video RGB Module Control Unit ECU 9146702 JAPAN

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8626172-4

BMW F22 220i F30 320i N20 184HP Engine ECU DDE Kit FEM + Key 8626172 Automatic

£332.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9855653

BMW F40 F74 F78 Power Distribution Box Mount Bracket Holder 9855653

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6929763

BMW 6 Series E63 E64 Amplifier Compensator Holder Catch Bracket 6929763

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. rhd-7194575

BMW 5 SERIES E60 Wirie Cable Fuse Box Holder Additional Energy Supply 7194575

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8621019

BMW G01 G11 G12 G20 G30 Battery Cell Module Connector Harness Loom Cable 8621019

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8631672

BMW 1 3 Series F20 F30 LCI M140i 340i Engine Gearbox Module Wiring Loom Harness

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8617551-5

BMW F20 F21 125i N20 218HP ECU Control Unit Kit DDE 8617551 Key FEM Automatic

£398.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 8685853

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

£70.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9159795

BMW X5 X6 E70 E71 Control Unit Air Module Bag ECU Unit Bosch 9159795

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8626984

BMW i3 I01 Hybrid Electric Earth Ground Cable Line Strap Battery Lead 8626984

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 2992478-3

Plug Socket BMW X1 E84 Rear Light In The Side Panel Right O/S Wiring 6984754

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6927274

BMW E60 E61 E65 E66 Seat Module Control Unit ECU Front Left Right N/O/S 6927274

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6949382

BMW E65 E66 Rear Door Wiring Harness Loom Cable 6949382

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9247384

BMW F13 F12 Safety Air Control Module Unit ECU ACSM4 9247384

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. RHD-9154608

BMW E60 E61 Head Up Display Screen Control Unit Panel 9154608

£142.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6927310

BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927270

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7823973-3

BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 7823973 CAS3 + Key

£237.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8573260-12

ECU Kit BMW F20 F21 114d Diesel N47N 95HP DDE 8573260 + Key + FEM + Lock Manual

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7641659

Engine Wiring BMW F10 F20 F30 N20 125i 328i 528i N20 Harness Module 7641659

£85.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7438141

BMW F32 Exterior Wing Mirror Heated Harness Control Module Left N/S 7438141

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8574351-7

BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 Lock CAS3 Key Manual

£203.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6807324

BMW G30 G31 M5 F90 Positive Battery Cable Underfloor Wiring Loom 6807324

£94.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 8518424-6

BMW F20 F30 F31 116d 316d N47N 116HP Engine Control Unit ECU DDE 8518424 Manual

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8689722-1

BMW F20 F21 F30 F31 LCI 330i B48 252HP Petrol ECU Control DDE Kit 8689722 Manual

£474.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9302937

BMW F01 LCI Cable Door Rear Left Right N/O/S Wiring Harness 9262882

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9275578

BMW X3 F25 Amplifier Hifi System Sound Audio Module Control Unit ECU 9275578

£127.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8654977

BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8654977

£142.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 9268706-1

BMW F01 F02 F04 F10 Rear Compartment Monitor Left Right N/O/S 9,2" Black 9268706

£398.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 9258934

BMW X3 F25 Alpine Radio Player CD Champ Head Unit Controller 9282030

£165.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8506444-3

BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key

£227.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9354071

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

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8621490

Alternator Cable BMW F21 F22 F30 LCI 125i 220i 228i 320i N20 Starter 8621490

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8573260-2

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

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9120828

BMW 5 Series E60 E61 Cable Door Rear Left Right N/O/S Wiring Harness 9120799

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8733470

BMW F20 LCI Head Unit Basic Navigation 2 Radio Media Player Sat Nav 8733470

£237.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8518424

BMW F20 F30 F31 116d 316d N47N 116HP Engine Control Unit ECU DDE 8518424 Manual

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8518569-2

BMW F20 F21 F30 F31 N47N 116d 316d 116HP Engine ECU Kit DDE 8518569 + Key + FEM

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8632692

BMW X5 F15 N20 Petrol Wiring Harness Transmission Gearbox Module Cable 8632692

£142.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 6962581

BMW E87 Cables Set Wiring PDC Parking Sensor Front Bumper 6962581

£32.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8067511

BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9284421

BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid 9284421

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8579482-1

BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8579482 + Key + FEM Manual

£142.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9333106

BMW Z4 E89 Hifi System Audio Sound Amplifier AMP Module Unit 9333106

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6935667-2

BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667

£61.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8580165

Mini F54 F55 F56 F57 F60 B47 Wiring Harness Engine Glow Plug Module 8580165

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9299272

Radio Stereo BMW F20 F30 F31 Professional CD DAB Nav Head Unit 9299272

£56.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9243626

BMW X3 F25 EPS Control Wiring Harness Loom Cable 9243626

£66.95

Free delivery: Jul 14

If paid before 14:00

Part no. 2622610

Bluetooth Module BMW F10 F20 F23 F30 Teleservices GPS Telematics Control 2622610

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6919420

BMW 3 E93 Cabrio Convertible Rear Lid Holder Cable Support Guide 6919420

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8582280-12

BMW F20 F21 116d N47N 117HP Engine Control ECU Kit DDE 8582280 Manual

£237.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 9119707

BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 9119707

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8378337

BMW 3 Series E46 Cable Harness Wiring Loom Door Rear Left / Right N/O/S 8378337

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9221464

Seat Module BMW F01 Front Left Control Unit Controller SM MF/M-HL 9221464

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9228493

BMW F11 Body Control Module Unit Junction Box 9228493

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8058634

Engine Wiring BMW X3 M F97 X4 M F98 Loom Harness Ignition Module 8058634

£189.95

Free delivery: Jul 15 – 22

If paid before 14:00

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