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 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6957762

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7570254

Plus Cable BMW X1 E81 E87 E90 E91 N45 N46 Alternator Starter Wiring 7570254

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9229837

BMW X5 E70 LCI ECU Body Control Module PL4 JBBFE III Junction Box 9229837

€227.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9380940

BMW F45 Front Door Wiring Passenger Door Cable Wiring Loom Harness 9380940

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9244429

BMW X6 Series E71 Rear Bumper PDC Cables Wiring Loom Set 9244429

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9171948

BMW X5 X6 E70 E71 Air Module Control ECU Unit Module 9171948 0285010250

€23.95

Free delivery: Aug 5 – 10

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: Aug 5 – 10

If paid before 14:00

Part no. 8513184-2

BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 Automatic

€123.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7567321-1

BMW 1 3 Series E81 E87 LCI E90 116i 316i N45N ECU Kit DME 7567321 + CAS3 + Key

€408.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8370933

BMW 3 5 6 Series E60 E61 E63 E90 Support Bracket Navigation Computer 8370933

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6864924

BMW F10 Active Hybrid SRS Air Module Control Module Unit 6864924

€70.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8379941

BMW X5 Series E53 Interior Roof Trim Cover Ultra Sonic Module Alarm 8379941

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7621063

BMW X3 F25 X4 F26 Earth Ground Cable Line Strap Battery Lead 7621063

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9226901

Body Control Module BMW F01 ECU Junction Box PL6 JBBFE III 3 Lear 9226901

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A43722

BMW X1 U11 Wiring Loom Harness Cable 5A43722

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8512292-2

BMW E90 E91 LCI N47N 316d 116HP Engine ECU Kit DDE 8510832 + CAS3 + Key Manual

€146.95

Free delivery: Aug 5 – 10

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: Aug 5 – 10

If paid before 14:00

Part no. 6887358

BMW F10 F11 EMF Module Parking Brake Unit Electric Control 6863800

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9354068

BMW F45 F46 Door Interior Lighting Wiring Harness Cable Front Right O/S 9354068

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A234D0

Wiring Cable BMW F06 F12 F13 Electric Parking Hand Brake Handbrake Cable 5A234D0

€42.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7591981

BMW F87 N55 Engine Bay Wiring Loom Harness Loom Cable Engine Gearbox 7591981

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9255135

BMW E81 E87 E90 E91 PDC Parking Sensor Front Rear Mineralgrau Mineral Gray B39

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7580334

Earth Ground Cable BMW F10 F11 F13 F01 Battery Cable Engine Wiring 7580334

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9354069

BMW F45 F46 Door Interior Lighting Wiring Harness Cable Front Left N/S 9354069

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9259999

BMW F30 Door Wiring Loom Harness Cable Front Passenger's Side N/S 9259999

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8577862-1

BMW X5 F15 40dX N57 313HP Engine Control Module ECU DDE Kit 8577862 FEM Key

€522.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6824492

BMW G31 Touring Rear Bumper PDC Wire Harness Loom Cable 6824492 11107811 6824493

€42.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7180427

Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7180427

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9364999

BMW X5 F15 F85 Front Seat Wiring Loom Harness Cable 9364999

€80.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9293307

BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9293307

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8571038

BMW 1 F20 F21 LCI Mini D F56 B37 Wiring Harness Engine Glow Plug Module 8571038

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9350002

BMW F01 F07 F10 F11 X3 F25 Control Unit Air Module ECU Unit Continental 9350002

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8793253

BMW X3 G01 Rear Right O/S Door Wiring 8793253

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7464634

BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9382418

BMW F45 X1 F48 G30 Telematics Module Bluetooth Telephone Control Unit 9382418

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9866982

BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 9866982

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6819332

Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9362848

BMW 1 3 Series F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9232527

BMW F10 F11 Rear Bumper PDC Wiring Loom Cable Harness 9232527

€37.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A17B00

BMW G20 Body Control Module BDC BDC-03 330i B48D B48B20B 2.0 Petrol 5A17B00

€180.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6938064

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

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9118931

BMW E60 E61 LCI Airbag ECU Control Unit Module 9118931

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8570934

BMW F20 F21 116d ed Diesel N47N 116HP ECU Engine Control Unit DDE 8570934 Manual

€284.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 2990003-3

BMW X1 E84 Headlight Lamp Light Front Cable Wire Plug Left N/S 2990003

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6953424-3

BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7187221

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

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8621840

BMW 1 3 Series F20 F21 F30 LCI Starter Motor Engine 8621840

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 3454167-1

BMW X3 E83 Shark Roof Fin Antenna Aerial Module Unit 3454167 3436613

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6967184-1

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

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8586568

BMW F20 F22 F23 Gearbox Transmission Module Harness Wiring Loom Cable 8586568

€56.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5B5D979

BMW F74 M235iX B48R 300HP Engine Control Unit ECU Set DME 5B5D979 Automatic

€731.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6820235

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

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9208452

Wiring BMW F07 Front Bumper PDC Wiring Park Assist Sensor Harness 9208452

€70.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6990089-1

BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7311030-2

BMW F45 Rear Light Lamp Trim In The Side Panel Wiring Cable Right O/S 7311030

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9184810

BMW X6 E71 Wiring Set Wash Water Container Cable Loom 9184810

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9196938

BMW E93 Seat Control Module Unit ECU 9148266

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9217033

Battery Cable BMW F01 F02 Positive Wiring Plus Pole Red 9217033

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8585727

Wiring BMW F21 F30 F34 F36 Diesel N47N Engine Gearbox Module Harness 8585727

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9146244

BMW X3 X5 E53 E83 Control Unit Sliding Lifting Roof Panorama 9146244

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 1742690-1

BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6934095

BMW 7 Series E65 E66 Door Wiring Harness Rear Right Left N/O/S

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9362396

BMW F20 REM Rear Electronic Module Fuse Box Control Unit V3 9362396

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8689722-2

BMW F32 Engine ECU Control Unit 184 HP 420iX B48 2.0 Petrol B48 8689722 KIT

€550.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9364818

BMW Z4 E89 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9364818

€94.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8835156

BMW U06 X1 U11 High-Voltage Battery Radiator Cooler Line Hose Tube Pipe 8835156

€560.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9218697

BMW X6 E71 Central Woofer Bass Speaker Stereo Subwoofer N/S 9218697

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7586426

BMW E89 F10 F25 F26 Battery Clamp Bracket Holder 7586426

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9890599

BMW F90 M5 G11 G30 Air Module Crash Control Unit 9890599

€142.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6964263

BMW 3 Series E93 E93N Cabrio Module Bracket Holder CTM 6964263

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6864206

Air Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit 6864206

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 5A656B3

BMW G20 Air Module Control Unit SRS ECU 5A656B3

€189.95

Free delivery: Aug 5 – 10

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: Aug 5 – 10

If paid before 14:00

Part no. 6819653

BMW X5 F15 Fuse Box Front Body Control Module ECU BCM Unit 6819653

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9231466

BMW 2 3 4 Series F22 F30 F32 Antenna Amplifier Module Trap Circuit 9231466

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9326437

BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7823310

BMW 3 Series F30 F31 330d 330dX N57N Diesel Alternator Starter Cable B+ 7823310

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9251748

BMW E81 E87 E90 E91 E92 LCI Combox Telematics Module Navigation 9251748

€132.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 0986021230

BMW 3 Series E90 E91 E92 E93 Engine Starter Motor 0 986 021 230

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9319081

BMW F20 F21 F22 F30 F31 F32 Radio Remote Control Receiver 434 MHZ

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8510221-6

BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key

€108.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9348358

BMW E60 Body Comfort Control Unit DDE Module ECU 9348358

€94.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6956939-1

Changer Unit BMW E63 E64 6-disc Compact CD Head Player 6956939

€47.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6837359

Air Module BMW F01 LCI F07 F10 F11 F22 F25 Control ECU 6837359

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 1742690

BMW E60 E63 E87 E90 Relay Changer Make Contact Salmon Red 1742690

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7789755

BMW 5 6 Series E60 E61 E63 E64 LCI Cable Starter-Base B 7789755

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9264924

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

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9261614

BMW 1 2 Series F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier Silver

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9284442

BMW F20 F30 Mini F56 Air Conditioning Module Control Unit 9284442

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 6863386

BMW F33 ICM Control Unit Module ECU 6863386

€80.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9225831

BMW F07 Left N/S Central Bass Loud Speaker Stereo System Unit 9164581

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9298961

BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9298961

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8583575

BMW F07 F10 F11 F12 Diesel N57 Engine Wiring Injection Wiring Harness 8583575

€28.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9387164

BMW X3 F25 Front Lamp Headlight Control Module Unit ECU 9387164

€113.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7608804

BMW 1 3 Series F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7608804

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7615308

BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 7649087

BMW F20 LCI N20 F22 N26 Wiring Loom Harness Engine Module Ignition

€23.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 9500079

BMW X2 F39 F40 F45 F45 LCI F46 F48 Steering Control Module SAS Unit ECU 9500079

€184.95

Free delivery: Aug 5 – 10

If paid before 14:00

Part no. 8642682

BMW 3 Series F30 LCI 330e Negative Earth Cable High Voltage Battery 8642682

€32.95

Free delivery: Aug 5 – 10

If paid before 14:00

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