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 Series F10 F11 LCI Boardmonitor Central Information Display 7" 9266384

€56.95

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Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469

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Antenna Diversity BMW F07 GT Control Unit Module Aeral Amplifier 868 MHZ 9237055

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BMW E93 LCI Convertible GPS Antenna Aerial Unit Module 9154413

€23.95

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BMW X5 E53 Front Dashboard Centre Console Lighter Wiring Loom Harness 6904165

€23.95

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Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086

€85.95

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BMW F10 Body Control Module ECU Junction Box PL6 JBBFE III V2 9284282

€23.95

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BMW F20 Front Door Wiring Loom Harness Cable Driver Side 9335291

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BMW X5 X6 E70 E71 Front Impact Crash Sensor Module 9152262

€23.95

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BMW E60 E61 E63 Passenger Side Door Airbag Control Module 6948692

€23.95

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BMW E84 E90 E91 LCI 320xd N47 Cable Alternator Starter Base B

€23.95

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Ignition Coil BMW E81 E87N LCI E90 E91 E92 F10 F11 Bosch 7638477

€23.95

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Wiring BMW X5 F15 M Sport Rear Park Assist PDC Wiring Harness Loom 9314837

€61.95

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BMW F20 F22 F30 LCI 125i 230i 320i 330i B48 Cable Alternator Starter 8638588

€23.95

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BMW E60 E61 Body Gateway Module KGM HIGH 9118729

€23.95

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Head Unit BMW X3 E83 Z4 E85 Mini R50 DVD GPS Navigation System Computer 9159129

€85.95

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BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Alpine White 3 - 300 6951674

€23.95

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BMW F20 F30 LCI B48 Engine Gearbox Module Wiring Cable Loom Harness 8636069

€85.95

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Engine Wiring BMW F30 F31 335dX N57Z Automatic Gearbox Cable Harness 8574024

€37.95

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BMW 5 7 X5 E38 E39 E53 Steering Column Adjuster Switch Stalk 8373901

€23.95

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BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9868383

€66.95

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BMW F40 KaFAS Camera Module Unit 5A03277 130441

€108.95

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

€56.95

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Air Module BMW F20 F21 F22 F30 F31 ECU ICM Control Unit ECU 6879833

€23.95

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

€80.95

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BMW 5 6 Series E60 E61 LCI E63 E64 M5 M6 Earth Cable Starter Battery 7835548

€26.95

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BMW 5 X5 Series E39 E53 Hands-free Electronics Charging Module MULF 6958358

€32.95

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Third Stoplamp Cover BMW F30 F80 M3 Rear Stop Lamp Brake Trim 7259877

€23.95

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Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6799083

€23.95

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BMW F30 F31 Lane Change Wiring Sensor Module Master Right O/S HC-2 6856283

€104.95

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BMW E63 E64 Amplifier Holder Catch Bracket Video Module 6927000

€23.95

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BMW X3 X5 Series E53 E83 Cruise Control Air Flow Switch Steering Wheel 6922854

€23.95

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BMW F10 F12 F13 F20 F30 F06 Mini F55 F56 F57 DVD CD Changer Control Unit 9259800

€66.95

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KaFAS Camera BMW F45 Front Camera Control Unit Module 9384688

€23.95

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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9282286

€42.95

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BMW F20 F21 F25 F30 F31 ECU Air Module Crash Control Unit ICM 6878198

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BMW Z4 Series E89 Roadster Cabrio Horn High Tone 7191718

€23.95

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BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354

€94.95

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Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122

€32.95

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Engine Wiring BMW F10 F31 F32 N20 Engine Sensor Module 1 Harness 7641652

€47.95

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BMW X3 F25 ICM Control Unit Air Module SRS ECU 6855990

€42.95

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BMW E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6969008

€75.95

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BMW G30 G11 G14 Diesel B57 Wiring Glow Plugs Module Wiring Harness 8593105

€32.95

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BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933264

€23.95

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Door Wiring Loom BMW E63 E64 Harness Passengers Side 6928975

€23.95

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Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004

€23.95

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Head Unit BMW F20 F21 F30 Radio Professional CD Player Controller Module 9290990

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BMW F07 F10 F11 X6 F16 Rear Cabin Entertainment Audio CD DVD Player 9368387

€222.95

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BMW X6 Series E71 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9243557

€28.95

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BMW F10 Rear Window Parcel Shelf Loudspeaker Speaker Left Right N/O/S 9289637

€23.95

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BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver-Side 6933266

€23.95

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BMW E60 E61 E63 E65 E83 Alternator Generator Lucas 170A LRA02319

€104.95

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BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701

€37.95

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BMW E81 E87 E90 E91 E92 Ultrasonic-sensor PDC Arktis Metallic A34 6940624

€23.95

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

€23.95

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BMW F20 F30 F32 Earth Ground Cable Negative Battery Lead Wiring 7638005

€23.95

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BMW E92 Front Door Wiring Loom Cable Harness Passenger Side 9259823

€23.95

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BMW X3 G01 G11 G12 G30 G31 Battery Positive Terminal Pint Jump Start 9339823

€23.95

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BMW F10 F11 LCI On-Board Screen Central Information Display 10,25" 9321016

€161.95

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Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220

€23.95

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BMW 1 Series E88 Convertible Rear Bumper FM Radio Aerial Antenna 6960308

€23.95

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BMW F45 Alternator Generator 8680374

€28.95

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BMW 5 Series F10 F11 530d N57N Cable Alternator Starter Base B+ 8515494

€23.95

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Starter BMW E81 E82 E87N E88 E90 E91 E92 N43 Starter Motor 7550975

€23.95

Part no. 8507398

Glow Bracket BMW E60 E87 LCI E90 E91 E92 F10 F11 N47 Diesel Relay Plug 8507398

€23.95

Part no. 7426094

BMW F83 M4 S55 Petrol Engine Fuel Pump Control Module Unit ECU 7426094

€32.95

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BMW X3 F15 Can Bus Interface 120Ohm Control Module Unit ECU 9266838

€23.95

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BMW F30 Wiring Harness Loom Rear Trunk Lid Boot Tailgate 9365054

€32.95

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BMW F40 F44 F45 Mini Cooper F55 F56 Engine Starter Motor Positive Battery Cable

€23.95

Part no. 9124583-KAS

BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor Kaschmir Silver A72 9124583

€23.95

Part no. 9280186

BMW F10 F11 F01 F02 F03 LCI Air Module Control Module ECU Unit 9280186

€23.95

Part no. 9127088

BMW E81 E90 DC/DC Torque Converter Module Wandler 9253208 9127088

€23.95

Part no. 6857314

Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU

€23.95

Part no. 9148264

Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9148264

€37.95

Part no. 9316569

BMW X5 F15 Fuse Box Rear Relay Module Control Unit 9316569

€23.95

Part no. 9243637

BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9243637

€66.95

Part no. 9384687

BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687

€23.95

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BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Sparkling Graphite A22

€23.95

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BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 6997612

€23.95

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BMW 1 3 Series E88 E93 Convertible Tel Phone Antenna Aerial 6953467

€23.95

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BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9207075

€80.95

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BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6949450

€23.95

Part no. 9365780

BMW X5 F15 Wiring Front Right O/S Door Harness Loom 9365780

€42.95

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BMW E81 E82 E87 E88 E90 E91 Ultrasonic Sensor SET X4 PDC Sydney Blue 6956744

€23.95

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BMW X5 E70 CCC Navigation System CD Player Sat Nav Head Unit 9170732

€360.95

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BMW E60 E61 Touring Light Module Control Unit ECU LM MAN.LWR 9116255

€23.95

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Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6886187

€32.95

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BMW E60 E61 E63 Passenger Side Door Air Module Control Unit ECU 6963014

€23.95

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BMW F10 F10 LCI Trunk Function Module Tailgate Boot Control Unit ECU 7361970

€51.95

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BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186655

€23.95

Part no. 9243645

Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 9243645

€23.95

Part no. 6911922

BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629

€23.95

Part no. 9315682

Body Control Module BMW F20 F21 F30 F31 F32 Comfort Unit FEM ECU LR01 9315682

€104.95

Part no. 9141446

BMW E93 Cabrio Convertible Hydraulic Pump Power Supply Cable 9141446

€23.95

Part no. 6947817

BMW E65 E66 IDrive Control Unit Front Centre Console Module ECU 6947817

€23.95

Part no. 9298961

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

€23.95

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BMW E60 Cable Starter Generator Alternator B+ Base Wire Harness 7516404

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BMW X3 F25 ICM Control Unit Air Module SRS ECU 6858547

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