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.

More information

Find it faster

Match to your vehicle

Make

BMW F20 F21 F30 F31 Mid-Range Sound Speaker Stereo HiFi Harman Kardon

Product currently unavailable

Part no. 7521759

BMW 3 5 X5 E39 E46 E53 Automatic Gearbox Basic Control Unit EGS

Product currently unavailable

Part no. 9119427

BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 911942

Product currently unavailable

Part no. 6888037

BMW 1 3 5 Series F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module

Product currently unavailable

Part no. 9365833

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

Product currently unavailable

Part no. 9384222

Body Module BMW X3 F25 X4 F26 Control Unit Junction Box JBBFE 3 9384222

Product currently unavailable

Part no. 9263800-1

BMW E91 LCI ECU Footwell Light Module FRM3R Lear Led Basis 9263800

Product currently unavailable

Part no. 9249404

BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business Unit 9249404

Product currently unavailable

Part no. 6913896-1

BMW Z4 Series E85 E86 Aerial Antenna Amplifier Module Rod

Product currently unavailable

Part no. 7823343

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

Product currently unavailable

Part no. 9345330

BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V8 9345330

Product currently unavailable

Part no. 6907313

BMW E65 E66 Wiring Loom Cables Rear Bumper PDC 6907313

Product currently unavailable

Part no. 9259425

BMW F30 F31 F80 M3 F82 M4 Positive Battery Cable Plus Pole 9259425

Product currently unavailable

Part no. 9273188

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

Product currently unavailable

Part no. 9197159

BMW E81 NSW ECU Light Module Footwell Module PL2 FRM II 6135 9197159

Product currently unavailable

Part no. 9192124

BMW Z4 E89 Power Distribution Box Control Unit Module With Fuse 9192124

Product currently unavailable

Part no. 9175650

BMW 1 Series E81 NSW ECU Light Module Footwell Module PL2 FRM II 9175650

Product currently unavailable

Part no. 6934529

BMW X3 X5 Series E53 E83 EWS III Central Locking Immobilizer Module ECU 6934529

Product currently unavailable

Part no. 9197002

BMW X5 Z4 E70 E89 HiFi Stereo Audio Sound System Amplifier 9197002

Product currently unavailable

Part no. 3425833

BMW X3 E83 2.5i 3.0i M54 Wiring Harness Cable Engine Ignition Module 3412247

Product currently unavailable

Part no. 9284976

BMW F13 F12 F06 Dashboard Display Central Information Display Monitor 9284976

Product currently unavailable

Part no. 9288769-1

Audio Speaker BMW F20 F21 F23 F30 Mid-Range Sound Speaker Stereo HiFi 9288769

Product currently unavailable

Part no. 6956746-MB1

BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Set x4 Monaco Blau - A35

Product currently unavailable

Part no. 9149843

BMW E81 E87 LCI E90 Hands-Free Bluetooth Module High MULF2 9149843

Product currently unavailable

Part no. 6965046-1

CD Player BMW E60 E61 E63 M-ASK M-Audio Radio System Controller 6965046

Product currently unavailable

Part no. 9179400

BMW E93 E64 Convertible Rollover Control Controller Module 9179400

Product currently unavailable

Part no. 6971370

BMW 1 3 X1 Series E81 E82 E84 E87 E90 E91 E92 Power Distribution Box 6971370

Product currently unavailable

Part no. 9483099

Mini Cooper One F55 F56 F57 Parking Assistant Control Unit Module 9483099

Product currently unavailable

Part no. 9166708

BMW E90 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708

Product currently unavailable

Part no. 8512499-2

BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key

Product currently unavailable

Part no. 7457871

BMW 1 3 Series F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457871

Product currently unavailable

Part no. 6948351

BMW E60 M-Audio System Controller Navigation Head Unit 6948351

Product currently unavailable

Part no. 8586536-7

BMW F07 GT F10 F11 535d F13 640d LCI N57Z 313HP Engine ECU DDE 8586536 Automatic

Product currently unavailable

Part no. 8581370-1

BMW F40 Mini Cooper F56 F57 F60 Bracket Control Unit Box Engine 8581370

Product currently unavailable

Part no. 9227500

BMW E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500

Product currently unavailable

Part no. 9324781

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

Product currently unavailable

Part no. 7599881-14

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

Product currently unavailable

Part no. 8695512

BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch

Product currently unavailable

Part no. 9205278

BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9205278

Product currently unavailable

Part no. 9147226

BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147226

Product currently unavailable

Part no. 8579478-4

BMW F20 F30 120d 320d Diesel N47N 184HP ECU Unit DDE 8579478 Automatic

Product currently unavailable

Part no. 9150109-1

BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9150109

Product currently unavailable

Part no. 9178898

BMW 1 3 5 Series E87 LCI E90 E60 Hands Free Bluetooth Module High MULF2 9178898

Product currently unavailable

Part no. 6971884

BMW X5 X6 Series E70 E71 Front Central Bass Subwoofer Speaker HiFi 6971884

Product currently unavailable

Part no. 9236520

BMW X1 E84 Front Bumper Loom Cable Harness Parking Sensors PDC Wiring 9191449

Product currently unavailable

Part no. 9222855-1

BMW X5 X6 E70 E71 Navigation System Car Sat Nav Computer Head Unit CIC 9222855

Product currently unavailable

Part no. 9224593

BMW 3 Series E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM3R 9224593

Product currently unavailable

Part no. 8804457

BMW F20 F21 F22 F30 F31 LCI Head Unit Media DAB Navigation Professional 8804457

Product currently unavailable

Part no. 3449688

BMW X3 E83 LCI Light Control Module Lear LM II LWR 3449688 61353449688

Product currently unavailable

Part no. 9229872

BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9229872

Product currently unavailable

Part no. 6938495

BMW E82 X1 E84 E88 E90 E91 E92 Battery Cable Plus Pole 6938495

Product currently unavailable

Part no. 3450847

BMW X3 E83 LCI Cable Loom Door Passenger Side Wiring Harness 3450838

Product currently unavailable

Part no. 9166711-1

BMW E91 Footwell Light Control Module ECU NSW PL2 FRM II 9166711

Product currently unavailable

Part no. 6977759-1

BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6977759

Product currently unavailable

Part no. 9119494

BMW E87 ECU Junction Box Body Control Module L2 61359119494 9119494

Product currently unavailable

Part no. 8378113

BMW Z4 Series E85 E86 Interior Fuse Box 8378113

Product currently unavailable

Part no. 7849393

Steering Wheel Module BMW F20 F21 F30 F31 F32 Heating Control Unit 7849393

Product currently unavailable

Part no. 7810001-1

BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key

Product currently unavailable

Part no. 6989160-BS

BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130

Product currently unavailable

Part no. 9166708-3

Footwell Module BMW E93 Light Control LCM PL2 FRM II 9166708

Product currently unavailable

Part no. 9342033

BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033

Product currently unavailable

Part no. 9128183

BMW E90 Light Module ECU 61359128183 9128183 9128223 PL2FRMFA

Product currently unavailable

Part no. 6785396

VDC Module BMW X5 E70 X6 E71 Vertical Dynamic Control Unit ECU 6785396

Product currently unavailable

Part no. 6968836-1

BMW 1 Series E87 BODY CONTROL MODULE L2 61356968836 6968836

Product currently unavailable

Part no. 9213187

Body Control Unit BMW F01 F10 F11 F12 Module ZGW-01 High Central Gateway 9213187

Product currently unavailable

Part no. 9185532

BMW E87 LCI CCC CD Professional Navigation System Controller 9185532

Product currently unavailable

Part no. 9267516

BMW F10 Central Gateway Module Control Unit Lear ZGW-02 MID Plus 9267516

Product currently unavailable

Part no. 9243212

BMW F10 Light Module Control Unit ECU Lear ZGW-02 Mid Plus 9243212

Product currently unavailable

Part no. 9325656

BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9325656

Product currently unavailable

Part no. 9222861

BMW 1 3 Series E87 E90 LCI CIC Sat NAV Screen Navigation Professional 9222861

Product currently unavailable

Part no. 6822582

BMW 3 Series F30 Head Unit Basic Media Navigation Headunit 6822582

Product currently unavailable

Part no. 9146036

BMW X5 E70 ECU Body Control Module Unit JBBFEII PL4 LOW 9146036

Product currently unavailable

Part no. 6948689

BMW E60 E61 E63 Driver Side Door Air Module Control Unit Module 6948689

Product currently unavailable

Part no. 8376445

BMW X3 X5 E53 E83 E46 E39 LCI Switch Unit Steering Column 8376445

Product currently unavailable

Part no. 6980177-3

BMW E81 E87 E90 E91 F10 F11 X5 E70 Relay Unit Green Set TYCO 5 Pins 6980177

Product currently unavailable

Part no. 9272367

BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9272367

Product currently unavailable

Part no. 7620624

Mini Cooper S R55 R56 LCI N18 Wiring Loom Harness Engine Gearbox

Product currently unavailable

Part no. 6913080

BMW E46 Passenger Front Door Wiring Loom Cable Harness 6913078 6913080

Product currently unavailable

Part no. 9383178

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9383178

Product currently unavailable

Part no. 9248361

Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9248361

Product currently unavailable

Part no. 9267421-1

BMW E87 LCI Body Control Module Junction Box ECU PL2RR JBBFE IIIR 9267421

Product currently unavailable

Part no. 9133083-1

BMW E81 E87 E90 E91 E92 6-disc CD Changer 9133083

Product currently unavailable

Part no. 6927846

BMW E81 E87 E90 E91 E92 Suction Pipe Evaporator Compressor 6927846

Product currently unavailable

Part no. 9154413

BMW E93 Convertible GPS Aerial Antenna Unit Module 9154413

Product currently unavailable

Part no. 6989112-SCH

BMW E60 E61 E83 Front PDC Parking Sensor Schwarz 2 Black 668

Product currently unavailable

Part no. 6874337

BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6874337

Product currently unavailable

Part no. 9160187

BMW 1 Series E81 Body Control Module ECU L2 PL2 JBBFE II Junction Box 9160187

Product currently unavailable

Part no. 6814187-1

Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187

Product currently unavailable

Part no. 9292248-1

Display Screen BMW F30 F31 F32 F33 Central Information Display 8,8" 9292248

Product currently unavailable

Part no. 9218380

Steering Wheel Module BMW F10 F11 F20 F21 F30 F31 Heating Control Unit 9218380

Product currently unavailable

Part no. 6941592

BMW 5 E60 Light Control Module Unit Lear LME6X MAN LWR LCM Delphi 6941592

Product currently unavailable

Part no. 6819334

BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 6819334

Product currently unavailable

Part no. 6922785

BMW 5 6 7 E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6922785

Product currently unavailable

Part no. 9311296

Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296

Product currently unavailable

Part no. 9204545

Hands Free Bluetooth Module BMW E81 E87 E90 E91 Electronics MULF2 9204545

Product currently unavailable

Part no. 6982387

BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6982387

Product currently unavailable

Part no. 9273630

BMW F13 Footwell Light Module Control Unit ECU FRM3 9273630

Product currently unavailable

Part no. 8510829-8

BMW E90 E91 LCI N47N 320d 163HP Engine ECU KIT DDE 8510829 + CAS3 + Key Manual

Product currently unavailable

Part no. 9165623

BMW X5 X6 Series E70 E71 Airbag Control ECU Unit Module 9165623

Product currently unavailable

...

Showing 3367-3465 of 6860 products