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

Head Unit BMW E90 E91 Radio CD Player Navigation Sat Nav DAB Unit 9273187

Product currently unavailable

Part no. 8372271

PDC Module BMW E38 Parking Assist Distance Control Module Unit ECU PDC 8372271

Product currently unavailable

Part no. 9285508

BMW X5 F15 X6 F16 Power Battery Distribution Junction Box Control Unit 9285508

Product currently unavailable

Part no. 7565300-4

BMW E87 E90 N46 120i 320i 150HP Engine Control ECU DME 7565300 Manual

Product currently unavailable

Part no. 8385157

BMW X3 E46 E83 LCI Start Point Housing Bracket Base B 8385157

Product currently unavailable

Part no. 6808605

BMW F45 Mini F60 Air Con Pipe Pressure Hose Tube Compressor Evaporator 6808605

Product currently unavailable

Part no. 6976154

BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6976154

Product currently unavailable

Part no. 9227172

BMW X6 Series E71 ECU Body Control Module Junction Box PL4 9227172 61359227172

Product currently unavailable

Part no. 8571905-1

BMW 1 2 3 Series F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905

Product currently unavailable

Part no. 9386604

BMW F40 F46 Mini F56 F60 Battery Holder Mount Tray Bracket Support Trim 9386604

Product currently unavailable

Part no. 8513242-3

BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Key

Product currently unavailable

Part no. 9123038

BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9123038

Product currently unavailable

Part no. 9147191

BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9147191

Product currently unavailable

Part no. 6975686

BMW E60 E61 E63 Control Unit Gateway Module ECU 6975686

Product currently unavailable

Part no. 8603352-5

BMW F20 F21 F30 N13 1.6 170HP Engine Control Module ECU DME Kit 8603352 Manual

Product currently unavailable

Part no. 8886836

BMW E87 E90 E84 E89 Footwell Light Control Module 8886836

Product currently unavailable

Part no. 9350995-1

BMW F10 F20 F30 Rear View Camera Wiring Loom Cable 9350995

Product currently unavailable

Part no. 7551559-1

BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559

Product currently unavailable

Part no. 9118064

BMW 7 Series E65 E66 Centre Console Vent Storage Compartment Support 9118064

Product currently unavailable

Part no. 9202152

BMW 1 3 Series E81 E87 E88 E90 E91 LCI Radio Business CD Player 9202152

Product currently unavailable

Part no. 7788327-1

BMW E46 E60 E83 E90 E91 Diesel M57N M57N2 Glow Plug Preheating Control Module

Product currently unavailable

Part no. 7614896

Ignition Harness BMW F10 F12 F07 GT Petrol N63 Engine Ignition Wiring 7614896

Product currently unavailable

Part no. 9399431

BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Basic Module 9399431

Product currently unavailable

Part no. 7591534-1

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

Product currently unavailable

Part no. 5A243F5-1

Ultrasonic Sensor BMW F70 G60 U06 Rear Parking PDC Set Portimao Blue - C31

Product currently unavailable

Part no. 9387260

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9387260

Product currently unavailable

Part no. 9283247

BMW X1 E84 Radio Stereo CD Player Navigation Nav Head Unit 9283247

Product currently unavailable

Part no. 9264573-1

BMW E81 ECU Body Control Module Unit Junction Box H2 PL2 RR JBBFE 9264573

Product currently unavailable

Part no. 9348286

BMW 5 F10 F11 Battery Cable Wiring Harnes Lead Positive Underfloor 9150990

Product currently unavailable

Part no. 9393185

BMW F30 F31 F32 F33 F34 F36 Harman Kardon Amplifier Audio HiFi 9393185

Product currently unavailable

Part no. 9119445-3

BMW E81 E87 E90 E91 Power Distribution Fuse Box Front 9119445

Product currently unavailable

Part no. 7565300-13

BMW E87 E90 118i 318i N46 129HP ECU Control Unit Module DME 7565300 Automatic

Product currently unavailable

Part no. 6980008

BMW E61 E65 E66 Tailgate Trunk Lift Control Module 6980008

Product currently unavailable

Part no. 8574486

BMW 5 Series F10 F11 LCI B47 Engine Wiring Harness Cable Module Diesel 8574486

Product currently unavailable

Part no. 7576721-2

BMW E90 E91 E93 325i N53 218HP Engine Control Unit Module DME Kit 7576721 Manual

Product currently unavailable

Part no. 7797661

Alternator BMW X3 E53 X5 E83 M57N2 Generator Diesel Power 150A 7797661

Product currently unavailable

Part no. 6866397

BMW F20 VDC Dynamic Adaptive Suspension System Control Unit Module ECU 6866397

Product currently unavailable

Part no. 8518167-1

BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8518167 Manual

Product currently unavailable

Part no. 8512499-7

BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Manual

Product currently unavailable

Part no. 7631587-1

BMW X5 E53 E81 E87 E90 LCI Battery Mounting Bracket Bolt Holder 7631587

Product currently unavailable

Part no. 7801173-1

BMW X5 X6 E70 E71 M57N2 Alternator Generator 180A VALEO 7801173

Product currently unavailable

Part no. 6945898

Seat Occupancy Sensor BMW E87 E90 E91 E92 Co Driver Mat Cable 6945898

Product currently unavailable

Part no. 8368167

BMW E38 Inclination Indicator Alarm Tilt Sensor Control Module 8368167

Product currently unavailable

Part no. 7809941-5

BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic

Product currently unavailable

Part no. 7555926-3

BMW E60 LCI E82 E92 LCI Alternator Generator 12V 180A Bosch Petrol 0121715012

Product currently unavailable

Part no. 7619136

BMW E84 F25 F26 N20 Engine Sensor Module Wiring Cable Loom Harness 7619136

Product currently unavailable

Part no. 6980246

BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246

Product currently unavailable

Part no. 7559178-5

BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic

Product currently unavailable

Part no. 6933875

BMW X5 Series E53 HiFi Audio System DSP Amplifier Module Unit Lear 6933875

Product currently unavailable

Part no. 7794624

BMW E46 320d Diesel M47N 150HP ECU Engine Control Unit DDE 7794624 Manual

Product currently unavailable

Part no. 7594483-1

BMW 1 Series E82 E88 125i N52N 218HP ECU Kit DME 7594483 CAS3 + Key Automatic

Product currently unavailable

Part no. 8475350-1

BMW F20 F21 LCI 116d Diesel B37 B37D15A 116HP Engine ECU DDE 8475350 Manual

Product currently unavailable

Part no. 7599881-18

BMW E87 LCI E90 E91 118i 318i N43 143HP Engine Control ECU DME 7599881 Automatic

Product currently unavailable

Part no. 9166708-4

BMW 3 E91 Touring Xenon Footwell Light Control Module LCM PL2 FRM II 9166708

Product currently unavailable

Part no. 7541335

BMW E60 E61 E83 Petrol M54 Engine ECU Control Unit DME 7541335

Product currently unavailable

Part no. 6921980-1

Door Module BMW E65 E66 Door Control Unit ECU TFT Rear Left N/S 6922263

Product currently unavailable

Part no. 9335351

BMW F20 Radio Professional CD Player Control Module 9335351

Product currently unavailable

Part no. 5A17942

BMX X3 G01 X4 G02 Centre Console Wireless Charger Charging Device 5A17942

Product currently unavailable

Part no. 8516262

BMW X3 F25 X4 F26 B47 Diesel Engine Harness Wiring Loom Cable 8516262

Product currently unavailable

Part no. 8039827

BMW X5 E70 Front Bumper PDC Parking Sensor Wiring Loom Cable Harness 8039827

Product currently unavailable

Part no. 6895714

Suspension Module BMW F82 Rear Axle Dynamic Suspension Control Module 6895714

Product currently unavailable

Part no. 6945072-1

BMW E90 E91 E92 1 Bracket CD Changer Holder Amplifier Mounting 6945072

Product currently unavailable

Part no. 6819950-1

BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 6819950

Product currently unavailable

Part no. 8582279-8

BMW F30 F32 F34 GT 320d 420d N47N 184HP Engine Module Unit ECU DDE 8582279

Product currently unavailable

Part no. 9321951

BMW X5 F15 Wiring Loom Harness Parking Sensor PDC Cable Front Bumper 9321951

Product currently unavailable

Part no. 7640015-3

BMW E81 E82 E88 N43 143HP Engine Control Unit ECU DME 7640015 Automatic

Product currently unavailable

Part no. 7550469-1

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

Product currently unavailable

Part no. 6878308

BMW G31 G31 LCI G32 G32 LCI Adapter Wire Cable VDC Rear Right O/S 6878308

Product currently unavailable

Part no. 7068054-1

BMW 5 7 Series E60 E61 E65 E66 Front Seat Transmission Bracket Arm 7068054

Product currently unavailable

Part no. 6970892

BMW 7 Series E65 E66 Sensor B-pillar Right Airbag O/S 6970892

Product currently unavailable

Part no. 6918780

BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6918780

Product currently unavailable

Part no. 7631767

BMW F20 F21 F30 M135i 335i N55 Engine Wiring Harness Loom 7631767 7614603 Set

Product currently unavailable

Part no. 6936103

BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6936103

Product currently unavailable

Part no. 8570673-1

Alternator Generator BMW F07 F10 N57N N57Z Diesel Engine 230A Valeo 8570672

Product currently unavailable

Part no. 7612455-1

BMW E90 E91 LCI E92 E93 325i N53 218HP ECU Kit DME CAS3 + Key 7612455 Manual

Product currently unavailable

Part no. 8639595-12

BMW F30 F31 F32 328i 428i N20 245HP Engine Control ECU DME 8639595 Automatic

Product currently unavailable

Part no. 8570931

BMW F10 F20 F30 F32 Engine ECU Control Module Unit 184HP N47N Manual 8570931

Product currently unavailable

Part no. 6920478

BMW 7 Series E65 E66 E67 Sensor Front Right Door Airbag 65776920478 6920478

Product currently unavailable

Part no. 6927312

BMW E60 E61 E65 E66 Front Seat Module Control Unit 6927312

Product currently unavailable

Part no. 9258173-1

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

Product currently unavailable

Part no. 7567178-3

BMW E60 E90 523i 323i Petrol N52 177HP ECU Kit DME 7567178 CAS3 + Key Automatic

Product currently unavailable

Part no. 8509036-3

BMW X5 E70 30sd M57N2 286HP Engine ECU Unit DDE 8509036 Automatic

Product currently unavailable

Part no. 8589145-5

BMW F20 120d F30 320d LCI B47 190HP Engine Unit ECU Kit DDE 8589145 Key FEM

Product currently unavailable

Part no. 9495909

Airbag Module BMW F45 X1 F48 Mini F54 F55 F56 Air Bag Control Unit ECU 9495909

Product currently unavailable

Part no. 7508292

BMW 3 Series E46 318i Petrol N42 Engine ECU Control Unit DME 7508292 Manual

Product currently unavailable

Part no. 9170702-1

Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9170702

Product currently unavailable

Part no. 8589141-12

BMW F31 B47 150HP Engine Control Module ECU Kit DDE 8589141 Automatic

Product currently unavailable

Part no. 8482313

BMW G30 Engine Wiring Loom Harness Ignition Module 8482313

Product currently unavailable

Part no. 8664661-3

BMW F23 F30 F32 228i 328i 428i N20 184HP Engine Unit ECU DME Kit 8664661 Manual

Product currently unavailable

Part no. 6943525

BMW E90 E91 E92 E93 Wiring Loom Cable Harness 6943525

Product currently unavailable

Part no. 6925966-2

BMW X3 E83 LCi Rear Door Window Lifter Right O/S 6925966

Product currently unavailable

Part no. 6930006

BMW X5 3 Series E70 E90 Clamping Ring B+ Transition Battery Cable 6930006

Product currently unavailable

Part no. 8617551

BMW F20 F22 F30 F31 Petrol N20 ECU DME Engine Control Unit 8617551 Automatic

Product currently unavailable

Part no. 9257038

BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9257038 6809374

Product currently unavailable

Part no. 9289247

BMW F01 F02 F10 F11 CD Radio Head Unit CIC 9289247

Product currently unavailable

Part no. 6976466

BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor 6976466

Product currently unavailable

Part no. 6953468

BMW 5 7 X5 Series E53 E60 E61 E65 E66 Handset Phone Mobile EVEREST 6953468

Product currently unavailable

Part no. 7296109

BMW F33 F83 M4 Rear Third Stoplamp Stop Lamp Brake Light Red 7296109

Product currently unavailable

Part no. 6974913-1

Navigation Head Unit BMW E60 E61 CCC CD Professional System Controller 6974913

Product currently unavailable

...

Showing 4357-4455 of 6860 products