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

€23.95

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

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

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€23.95

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€113.95

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€23.95

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

€23.95

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

€51.95

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BMW X5 Series E53 Control Element Light Switch 6909776

€23.95

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

€23.95

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€23.95

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€32.95

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

€23.95

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

€28.95

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

€23.95

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BMW E34 Z4 E85 Base B Terminal Point Engine Compartment 7514342

€23.95

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

€28.95

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

€23.95

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

€56.95

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

€42.95

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

€23.95

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BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469

€23.95

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BMW F10 CAS4 Control Unit Module 9282118 61359282118

€66.95

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Xenon Headlight Module BMW F22 F23 Control Unit Driver Module 7363091

€66.95

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€23.95

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

€484.95

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

€23.95

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BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6853705

€37.95

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ICM Module BMW F20 F21 F30 F31 Control Unit 6864204

€23.95

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BMW 5 Series E60 E61 Wiring Loom Harness Passenger Side 9120785

€23.95

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

€37.95

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

€23.95

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

€23.95

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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877

€32.95

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Navigation Headunit BMW F20 F22 F30 Mini F55 F56 Head Unit Basic Media

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BMW Z4 E85 E86 Aerial Antenna Amplifier Module Rod 6913896

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BMW E81 E87 E90 E91 E92 Suction Pipe Evaporator Compressor 6927846

€23.95

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BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9286941

€23.95

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BMW F45 F48 F15 F31 F36 Mini F60 Trunk Lid Automatic Lift Control Module 9491419

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BMW E65 E66 E67 Control Unit Voice Input System Module 6960803

€23.95

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Telematics Module BMW X1 F48 F20 F30 Bluetooth GPS Control Unit ECU 6820931

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Control Unit Module BMW F20 F21 F22 F30 F31 ECU ICM Plus 6855995

€23.95

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Telematics Module BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Unit 9342881

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BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 6822077

€70.95

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BMW F20 F21 F22 F23 LCI DAB Navigation Head Control Unit Module Business 9875929

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BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6864927

€23.95

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BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494

€28.95

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Body Gateway Module BMW E60 E61 LCI E63 E64 ECU Control Unit 9157156

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BMW F10 F11 X5 F15 LCI F32 F33 Adblue Module Control Unit ECU SCR 7394466

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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9366412

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BMW 1 2 3 5 F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Module 9382417

€23.95

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BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270646

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BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359264571 9264571

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BMW X3 F25 Fuse Box Power Distribution Module Relay Unit 9210863

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BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 9290013

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BMW E60 E81 E87 E90 F20 Engine Starter Motor Bosch 0986021500 7521123

€23.95

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BMW F80 M3 F82 M4 Engine Valvetronic Wiring Cable Loom Harness 7849627

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BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6872837

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Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010

€70.95

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BMW F10 F11 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9257098

€56.95

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BMW 3 Series F30 F80 M3 Battery Cover Trunk Trim Panel Right Boot 7239175

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BMW F20 F30 Engine Automatic Gearbox Module Wiring Cable Loom Harness 7634058

€42.95

Part no. 9235506

Bracket Harman Kardon BMW F30 F31 Amplifier Holder Mount Unit Module 9235506

€32.95

Part no. 9282420

BMW 1 3 5 Series F10 F20 F30 Reversing Camera Rear View Control Unit 9282420

€75.95

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BMW F20 F21 F22 F30 F31 Head Unit Basic Media Headunit 9365837

€99.95

Part no. 9237655-2

BMW E60 E61 E81 E87 E90 F10 Audio Aux In Socket Plug 9237655

€23.95

Part no. 6824386

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

€51.95

Part no. 9212232

BMW F20 F22 F30 F31 AC Air Conditioning Pipe Hose Diesel 9212232

€23.95

Part no. 7199819

Roof Module BMW Z4 E85 Roadster Cabrio Convertible Folding Top 7199819

€23.95

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Injection Valve Wiring BMW E60 E61 E65 N62 N62N Ignition Loom Harness 7514610

€23.95

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BMW F20 F21 F22 Central Information Display Screen 6,5" Control Unit 9262752

€23.95

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BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6857701

€23.95

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Battery Lead Cable BMW E81 E84 E87 RR1 RR2 RR3 Negative IBS 7618677

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BMW F10 F20 F21 F30 F31 LCI SCR Control Module ECU Unit 7488140

€42.95

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BMW X5 E53 Roof Antenna Amplifier Trap Circuit 6906070

€23.95

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BMW F20 F21 F22 F30 Control Unit Air Conditioning System 9301308

€23.95

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Door Speaker BMW F15 F16 Front Rear Loudspeaker HiFi Audio Speaker 9337807

€23.95

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BMW 5 Series F11 Touring Antenna Aeral Amplifier Diversity 868 MHZ 9276036

€23.95

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Air Module BMW F10 F11 F13 X3 F25 ECU Control Unit Controller 9253636

€32.95

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BMW F20 Control Unit Module Wing Mirror Power Fold 7286050

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CAS2 Module BMW E60 E61 E63 E64 Car Access Control Unit ECU 6965050

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BMW E60 E90 Dashboard Onboard Monitor Display Screen 8.8" 6966925

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BMW X5 Series E70 Flat Cable Wiring Wire CAS Start Stop 6950093

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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9329704

€23.95

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€37.95

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Gateway Module BMW F01 F10 F11 F12 Central Body Control 9244262

€23.95

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BMW Z4 Series E85 E86 Battery Positive Cable Fuse Box B Base 6924389

€23.95

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BMW E46 Z4 E85 E86 Antenna Amplifier Diversity 6912817

€23.95

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BMW F30 F32 LCI 330d 335dX 430d 435dX Alternator Starter Cable B+ 8577241

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BMW 3 Z4 Series E46 E85 E86 Cable Battery Negative

€23.95

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BMW E60 525i 530i 545i Fuses Set Electrical Fuse 6951079 61146951079

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