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 Series E91 LCI ECU Body Control Module Junction Box H2 9264573

€37.95

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Part no. 9254025

BMW 5 7 X3 X5 X6 Series F10 F11 E70 E71 F01 F02 F25 Rain Light Solar Sensor

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9251984

BMW F10 F11 F20 F21 F30 Control Unit Module Voltage Transformer VSU180 9233143

€23.95

Free delivery: Nov 12 – 13

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Part no. 8570673

BMW F07 F10 Alternator Generator 221A Valeo N57N N57Z Diesel Engine 8570672

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6970701-1

BMW 3 Series E93 E93N LCI 1 Rear Bumper Antenna Aerial Telephone 6970701

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9462613

Camera Speed Control BMW i3 I01 F10 F20 F30 LCI KaFAS ECU Module Unit 9462613

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8570849

BMW F20 F21 F30 F31 LCI 116i 118i 318i B38 Petrol Engine Starter Motor 8570849

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7591534

BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7394649

BMW F01 F02 F03 F10 LCI X3 F25 Control Unit Rear Function Module 7327886

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6943585

BMW E65 E66 E67 Control Electronics Seat Occupancy 6943585

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9304728

PDC Wiring BMW X3 F25 Front Bumper Loom Cable Harness Parking Sensors 9304728

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9122432

BMW E60 E61 LCI X5 E70 X6 E71 X3 F25 Rain Light Solar Sensor 9122432

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9317173

BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V1 9317173

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9230046

BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9119000

BMW 1 3 Series E87 E90 E91 E92 N43 Air Condition Con Pipe Hose Coolant 9119000

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9210857

BMW F01 F07 GT F10 F11 F13 Power Distribution Fuse Box Rear 9210857

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9321879

BMW F10 LCI Body Control Module Gateway ECU 9321879

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6938211

BMW 3 Series E90 E91 M3 Wiring Loom Front Door Right Driver's Side 6938211

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9286129

BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 9286129

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7802471

BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel 7802471

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7646814

BMW F10 F20 LCI F30 B47 Diesel Alternator Generator Denso 210A 7646814

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9134667

BMW X5 E70 E87 E90 E91 E92 Seat Control Unit Module ECU 9134667

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8583451

BMW F20 F21 F30 LCI F32 Engine Starter Motor Diesel B37 B47 8583451

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9176685

Navigation System BMW X3 E83 Z4 E85 Mini R50 R52 DVD GPS Computer Unit

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6860387

Air Suspension Module BMW X5 F15 F85 X6 F16 F86 Regulation Control Unit 6860387

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6821135

BMW F20 F21 F22 F30 F31 Head Unit Media DAB Navigation Business Headunit 6821135

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9399247

BMW F20 F30 F31 F32 ECU Camera Module Based Drive Support

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6762235

BMW X3 X5 E53 E60 E61 E65 E83 Power Steering Speed Sensor 6762235

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9151516

BMW E60 E63 E64 LCI Body Control Unit Module 9151516

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6864208

BMW F20 F21 F22 F30 F31 Air Module ECU ICM Control Unit 6864208

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8510249

Engine Wiring BMW E90 E91 LCI N47N Loom Harness Cable Automatic Gearbox 8510249

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6941018

BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9266328

ICM Module BMW F07 GT F01 F02 F03 F04 Air Module Control Unit ECU 9266328

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9148267

BMW 3 Series E93 Seat Control Unit Module FSV 7.11.0 9148267

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9345374

BMW F10 LCI Light Control Footwell Module ECU Unit FRM3 9345374

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9131779

BMW E87 ECU Body Control Module L2 JBBFE PL2 61359131779 9131779

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9352861

FEM Unit BMW F20 F22 F30 F32 Control Unit Module ECU Fuse Box 9352861

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9350003

Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7557027

BMW X5 E70 X6 E71 E72 Battery Earth Cable Wiring Loom 7557027

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6935599

BMW 1 3 Series E81 E87 E90 PDC Parking Ultrasonic Sensor Red Japanrot Japan Red

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7521116

Starter BMW E90 Petrol N52 N53 Engine Starter Motor Unit 7521116

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9253563

BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9122100

BMW 1 Series E88 Mini Cooper R57 R59 Sat Nav GPS Antenna Amplifier 9122100

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6926459

BMW X1 E81 E82 E84 E87 E88 E90 E91 E92 Climate Control Solar Sensor 6926459

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6819333

BMW F30 Rear Body Control Unit Module V2 6819333

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9228914

Radio CD Player BMW F10 F11 F13 Navigation ECE Sat Nav Head Unit 9228914

€265.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9224872

BMW 1 2 3 4 Series F20 F21 F30 F80 Cover Power Distribution Fuse Box 9224872

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9258350

Air Module BMW F20 F21 F22 F30 F31 F32 Control Unit ECU 9258350

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9168336

BMW X1 E84 Diversity Aerial Antenna Amplifier DAB 9168336

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9263800

BMW E90 LCI ECU Footwell Light Module FRM3R Rear Led Basis 9263800

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8509722

BMW 1 Series F20 F21 F22 F30 F31 F35 Control Unit Box Engine 8509722

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9258173

Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9280185

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9226333

BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9226333

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9264916

BMW E82 E88 E92 E93 LCI Control Unit Airbag ECU NO CRASH DATA 9264916

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9285504

Distributor BMW X5 F15 X6 F16 B + Battery Power Distributor 9285504

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9301309

Air Conditioning Unit BMW F20 F21 F30 F31 Control Unit A/C Module 9301309

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8570676

BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9181455

BMW X1 Series E84 Antenna Aerial Noise Suppression Filter 9181455

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3414990

BMW X3 E83 Airbag Sensor Control Module 65773414990 3414990

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9188582

BMW X3 F25 Holder Audio Amplifier Telephone Bracket Mount Trim 9188582

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9257152

Telematics Bluetooth BMW F10 F20 F22 F30 Combox GPS Control Unit Module 9257152

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. E87-E90-PLUG-SOCKET-LOOM-PDC

BMW E81 E82 E87 E88 E90 E91 E92 Plug Socket Loom PDC Parking Sensor

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7374942

BMW F20 F21 F30 F31 Fuel Pump Control Unit Module 7374942

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9163348

BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9163348

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9324779

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR-01 9324779

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6781575-1

YAW Rate Sensor BMW E81 E87 E90 E91 Accelerator Speed Module 6781575

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9176958

BMW E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9176958

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9288304

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

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6909776

BMW X5 Series E53 Control Element Light Switch 6909776

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7823343

Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8621839

BMW F20 F21 F30 LCI G30 B38 B48 Starter Motor Engine Petrol 8621839

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9200503

BMW E60 LCI F01 F07 F10 ECU USB Hub Control Unit Module 9200503

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9273188

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

€237.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6945661

BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5"

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9284976

BMW F13 F12 F06 Dashboard Display Central Information Display Monitor 9284976

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6985878-1

BMW 5 Series E60 E61 LCI Actuator Fuel Filler Flap Lock 67116985878 6985878

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9382516

PDC Module BMW F15 F16 F25 Mini F55 F56 Parking Assistant Control Unit 9382516

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9259466

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7514342

BMW E34 Z4 E85 Base B Terminal Point Engine Compartment 7514342

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9367350

KaFAS Camera BMW F10 F20 F30 Mini F55 F56 Front Control Unit Module ECU 9367350

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9324781

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324781

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7599881-14

BMW E87 LCI E90 E91 N43 116i 316i 122HP Engine Unit ECU DME 7599881 Manual

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6923945-2

BMW E60 E60N E61 E63 LCI B Terminal Point Engine Compartment 6923945

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9348728

BMW F22 F30 LCI Control Unit Airbag ECU NO CRASH DATA 9348728

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9257366

BMW 5 7 Series F01 F10 LCI Aerial Antenna Amplifier Diversity 868 MHZ 9257366

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7181313

BMW X1 E84 E90 E91 Door Handle LED Light Lighting Left N/S 7181313

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9282118

BMW F10 CAS4 Control Unit Module 9282118 61359282118

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7363091

Xenon Headlight Module BMW F22 F23 Control Unit Driver Module 7363091

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8516246

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9381299

BMW F20 F21 F30 F31 Business Navigation Sat Nav Head Unit Player 9365833

€484.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9216128

BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU 9216128

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6853705

BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6853705

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6864204

ICM Module BMW F20 F21 F30 F31 Control Unit 6864204

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9120788

BMW 5 Series E60 E61 Wiring Loom Harness Passenger Side 9120785

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8507885

BMW 1 3 Series F20 F30 Diesel N47N Wiring Harness Engine Gearbox Module 8507885

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6798242

ICM Module BMW F10 F11 Integrated Chassis Management QL ES Control Unit 6798242

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9229294

BMW F20 F21 F22 F30 F31 F80 M3 USB Socket Plug Port Control Unit 9229294

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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