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 X3 G01 X4 G02 X5 G05 Battery Terminal Negative Cable Wire Wiring 8796289

€28.95

Free delivery: Sep 16 – 17

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

€1,139.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9282285

BMW X3 F25 Central Gateway Module Control Unit ECU 9282285

€47.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9181453

BMW 1 X4 X5 Series F20 F21 F25 F26 Antenna Aerial Diversity Trap Circuit 9181453

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9389068

Fuse Box BMW F20 F21 F30 F31 F34 Power Distribution Front 9389068

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9363780

BMW F45 Seat Wiring Loom Harness Cable Rear Left N/S 9363780

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8585933

Wiring Loom Harness BMW F20 F30 F36 LCI B47 Engine Gearbox Module 8585933

€113.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 5A02362

BMW G20 G26 G28 F44 F90 PDC Parking Sensor Control Module Unit 5A02362

€32.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 6922262

BMW 7 Series E65 E66 E67 Control Unit Door Front Passenger Side 6922262

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 6921980

BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side

€23.95

Free delivery: Sep 16 – 17

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Part no. 9288373

BMW X5 F15 Door Storage Pocket Compartment Fiber Optic Front Left N/S 9288373

€23.95

Free delivery: Sep 16 – 17

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Part no. 7060552

BMW 3 Series E90 E91 Bowden Cable Hood Mechanism 7060552

€23.95

Free delivery: Sep 16 – 17

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Part no. 9314229

BMW F20 Front Electronic Module Body Control Unit FEM ECU 9314229

€284.95

Free delivery: Sep 16 – 17

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Part no. 5A0FAD6

BMW i4 G26 Hybrid Electric Earth Ground Cable Negative Battery Lead 5A0FAD6

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9353743

Junction Box Terminal BMW G11 G12 G30 Power Battery Distribution 9353743

€28.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9234606

BMW X5 E70 X6 E71 Camera Based System Control Unit Module 9234606

€28.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9846612

BMW X3 G01 X5 G05 G20 G30 G11 F39 Hybrid Battery Safety Box Unit Module 9846612

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Part no. 5A3BC98-1

BMW G20 LCI Rear Outer Light Lamp Side Panel Wiring Cable Right O/S 5A3BC98

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 6996955

BMW G05 G20 G21 Plus Line B+ Jump Start Terminal Power Distribution 6996955

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 7614084

BMW F20 F21 F22 F30 F31 F32 F33 Negative Battery Cable Lead Ground 7614084

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9128982

BMW F20 F30 F31 LCI Mini F55 F56 Compensator LTE UK Control Unit Module 9128982

€28.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 7843335

BMW F10 M5 F12 M6 Engine Wiring Harness Valvetronic Servomotor Cyl.1-4 7843335

€47.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8577839-1

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

€180.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 5A22699

BMW F74 Gran Coupé Engine Computer Module Unit Mount Holder Bracket 5A22699

€32.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8601245

Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8601245

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 6839769

KaFAS Module BMW F10 F20 F30 Mini F55 F56 Assist Camera Control Unit 6839769

€32.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9123038-1

BMW E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9123038

€194.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8642652

BMW G30 Battery Negative Ground Cable Line Equi Potential Bonding LEB 8642652

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9247066

BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9247066

€66.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 6974373-1

BMW E81 E84 E87 E88 E90 Ultra Sonic Module Alarm System 9149671

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9313656-1

BMW 3 Series F30 F80 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9260012

€28.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8573260-5

ECU Kit BMW F20 F21 116d Diesel N47N 116HP DDE 8573260 Key FEM Lock Manual

€308.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9845632

BMW U06 X1 U11 F74 Ping Sensor Knock Sensor 220i B38N B38A15P Petrol 9845632

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8506434-4

BMW E81 E84 E87 E90 LCI 18d 118d 318d N47 ECU Kit DDE 8506434 CAS3 Key Automatic

€251.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8638742

BMW G11 G12 G20 G30 Ground Line Battery Earth Cable Wire Cable 8638742

€32.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9181411-2

BMW F07 GT F10 F11 Hands Free Telephone Microphone Unit Black 9181411

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 6992955

BMW F25 Footwell Light Control Module ECU Unit FRM3 TEMIC 6992955

€113.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9362398

BMW F20 F21 F30 F31 F32 F45 Body Control Unit Module REM 9362398

€37.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9153418

BMW F10 F11 B Plus Distributor Front Battery Cable 9153418

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9133144

BMW 5 Series E61 Body Gateway Module KGM LOW LEAR 9133144

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8367094

BMW E65 Fuse Box Relay Unit Control Module Connector Box 8367094

€28.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9200943

BMW 1 3 Series E81 E87 E90 E91 E92 Ultra Sonic Alarm System Module 9200943

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9291451

BMW F13 Central Gateway Module ECU Control Unit Lear ZGW-02 High 9291451

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9895416-1

BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME 9895416 FEM Key Automatic

€284.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8510221-16

BMW E90 E91 E92 LCI 325d Diesel N57 204HP ECU Engine Module DDE 8510221 Manual

€70.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8506373-1

BMW X3 E83 LCI 1.8d N47 Engine Control Unit ECU Kit Module DDE 8506373 EWS Key

€284.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9267244

BMW F10 F12 F20 F30 F31 F36 Telematics Communication Box Cover Lid 9267244

€32.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9264568-1

BMW E82 LCI Body Control Module Unit PL2RR JBBFE IIIR L1 9264568

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9234421-1

BMW F01 F02 F04 F06 F07 F10 Front Power Distribution Fuse Box 9234421

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9166783-1

BMW X5 X6 E70 E71 Rear Seat Console Entertainment DVD Display Screen 9166783

€284.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8617551-5

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

€474.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 7253188-2

BMW E92 Seat Covering Panel Sports Left Right Thigh Support Cover Black Leather

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 7550975

BMW 1 3 Series E81 E82 E87N E88 E90 E91 E92 N43 Starter Motor

€28.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 9286171

BMW F20 Front Right O/S Wiring Loom Harness Door O/S 9251711

€23.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8865048

Bmw X1 U11 Low Voltage Wiring Harness Cable Loom 8865048

€80.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 5A0E550

BMW G11 G16 Z4 G29 Wireless Charger Charging Device Module Unit 5A0E550

€70.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8574095-2

BMW F20 F21 F30 116d 316d Diesel N47N Engine ECU DDE 8574095 Key Lock FEM Manual

€227.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8649866

BMW 3 Series F30 LCI 330e B48X High Voltage Cable Harness Loom Wiring 8649866

€85.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 8517874-11

BMW F20 F21 F30 F31 116HP N47N Engine Control Unit ECU DDE 8517874 Automatic

€80.95

Free delivery: Sep 16 – 17

If paid before 14:00

Part no. 6982402

BMW E81 E84 E87 E90 E91 Parking Module Control Unit PDC 6982402

Product currently unavailable

Part no. 9288769

BMW F20 F22 F30 Sound Speaker Front Door Audio Mid Range Stereo HiFi 9288769

Product currently unavailable

Part no. 9252639

Parking Module BMW E81 E84 E87 E90 E91 Control Unit PDC 9252639

Product currently unavailable

Part no. 8384505

BMW E46 E60 E61 E63 E64 Windscreen Wipers Relay Brown 8384505

Product currently unavailable

Part no. 6942912

BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Fuse Box 6942912

Product currently unavailable

Part no. 6982394

BMW E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6982394

Product currently unavailable

Part no. 6850497

BMW E60 E61 E65 E87 E90 Trailer Towing Control Unit Module AHM 4R 6850497

Product currently unavailable

Part no. 6923954

BMW E39 E46 X5 E53 X3 E83 Z4 E85 E86 Mini R50 R53 Rain Light Sensor 6923954

Product currently unavailable

Part no. 6982403

BMW E81 E82 E87 E88 E90 E91 E92 E93 Parking Control Module Unit PDC

Product currently unavailable

Part no. 6988303

BMW F20 F30 E60 E65 X5 E70 X6 E71 E84 Air Wiring Sensor Quality AUC 6988303

Product currently unavailable

Part no. 8509023

BMW E90 E91 E92 E93 LCI X1 E84 X3 F25 Alternator Generator 180A N47N 8507624

Product currently unavailable

Part no. 9123049

BMW E90 E92 E93 Switch Cluster Steering Column Cruise Control 9123049

Product currently unavailable

Part no. 9201128

Rollover Controller BMW E88 E93 Mini R57 Convertible Control Unit Module 9201128

Product currently unavailable

Part no. 9264943

BMW F20 F21 F30 LCI Sound Speaker Mid Range Stereo HiFi 9264943

Product currently unavailable

Part no. 9252638

BMW E81 E82 E87 E88 E90 E91 E92 E93 Parking Control Module Unit PDC

Product currently unavailable

Part no. 7229173

Fuel Pump Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump Module ECU 7229173

Product currently unavailable

Part no. 9215952

BMW E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS

Product currently unavailable

Part no. 7209286

BMW E60 E61 E81 E87 E90 Control Unit For Fuel Pump ECU 7209286

Product currently unavailable

Part no. 8579420

BMW F07 F10 F11 Alternator Generator 220A Valeo N47N Diesel Engine 8507625

Product currently unavailable

Part no. 9302358

BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9253082

Product currently unavailable

Part no. 6982390

BMW 1 3 X1 E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6982390

Product currently unavailable

Part no. 9149615

BMW E61 E65 E70 Telemetics Control Unit Bluetooth Control Unit Module 9149615

Product currently unavailable

Part no. 9130879

BMW E81 E87 Battery Cable Plus Pole Positive Wire SBK 9130879 6988975

Product currently unavailable

Part no. 7616200

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

Product currently unavailable

Part no. 7802261

BMW E60 E61 E81 E87 E90 Alternator Generator Valeo 180A N47 7802261

Product currently unavailable

Part no. 9209183

Sound Speaker BMW X3 F20 F21 F25 Mid Range Stereo HiFi 9209183

Product currently unavailable

Part no. 9240490

Battery Distribution Box BMW F01 F02 F10 F11 Power B+ Rear 9240490

Product currently unavailable

Part no. 6938297

Flap System Motor BMW E81 E82 E87 LCI E88 Top Active Cooling Flap Unit 6938297

Product currently unavailable

Part no. 7570299

BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7570299

Product currently unavailable

Part no. 9145158

BMW E60 E61 E63 E65 PDC Parking Control Module Unit ECU 9145158

Product currently unavailable

Part no. 7614585

Power Supply Module BMW F20 F21 F30 F31 i3 I01 Integrated Relay 7614585

Product currently unavailable

Part no. 9145439

BMW E46 X3 E83 Diesel Auxiliary Heating Electric Flow Heater 9145439

Product currently unavailable

Part no. 9123043

BMW E81 E87 E91 LCI Steering Column Switch Cluster Wiper Stalk 9123043

Product currently unavailable

Part no. 6906624

BMW E87 E90 E91 Power Distribution Fuse Box Front 6906624

Product currently unavailable

Part no. 6928366

PDC Wiring BMW E60 E61 Rear Bumper Loom Cables Set 6928366

Product currently unavailable

Part no. 7569969

BMW X5 X6 E70 E71 Control Unit Module Transfer Box 7569969

Product currently unavailable

Part no. 9110882

Switch Cluster BMW E82 E88 E90 LCi Cruise Control Stalk Unit 9110882

Product currently unavailable

Part no. 9187108

BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional Autoradio CD 9187108

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Part no. 7276383

Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7276383

Product currently unavailable

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BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9185139

Product currently unavailable

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