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 X5 E53 E60 E61 E65 E81 E87 E90 E91 Turn Indicator Silver Bulb 7160897

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7631932

Engine Wiring BMW F30 F31 N20 Loom Module Harness Cable 7631932

€75.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9255048

BMW 1 Series E81 E87 E87N Battery Wire Cable Negative Earth Lead 9255048 6929705

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6989994

BMW E65 E66 E67 Control Unit Front Centre Console Module 6989994

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8514766

BMW 1 Series F20 114d 116d ed N47N Wiring Harness Engine Glow Module 8514766

€170.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9286479

BMW F10 F11 LCI Front Bumper PDC Sensors Loom Cables Wiring Set 9286479

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7545142

BMW Z4 Series E85 N52 Roadster Cable Alternator Starter Base B+ 7545142

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9199305

KaFAS Camera BMW F10 F11 Rear View Control Unit Module 9199305

€89.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9861558-1

Rain Sensor BMW F20 F21 F30 F31 Windscreen Light Solar Condensation Unit 9861558

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9125224

BMW 1 3 SERIES E87 E90 E91 Control Unit Airbag ECU NO CRASH DATA 9125224

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6958526

BMW 5 X5 X6 Series E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Right O/S

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8506375

BMW 1 3 Series E81 E87 E90 E91 LCI N47 Diesel ECU DDE engine control 8506375

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8573260-2

BMW F20 F21 116d ed Diesel N47N 116HP Engine Control Unit DDE 8573260 Manual

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9174269-1

BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9111165-PB2

PDC Sensor BMW E81 E82 E87 E88 E90 E91 Ultrasonic Parking SET X4 Platinbronze

€51.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8473167

BMW F30 F31 F32 LCI 330dX N57N Engine Gearbox Module Wiring Cable Loom 8578498

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9264974

BMW E81 E82 E87 E88 E90 E91 Front Seat Control Module 9264974

€47.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 6930006

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9269956

BMW X1 Series E84 Cable Loom Door Passenger Side Wiring Harness 9269948

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7075907

BMW Z4 E85 Left N/S Contact Bush 7075907

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9287530

BMW 1 Series F20 Control Unit Air Conditioning A/C Module 9287530

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8639583

BMW F20 F21 F30 LCI M140i 340i B58 Wiring Harness Motor Sensorsystem Module

€208.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8741637

BMW X1 F40 F48 Mini F55 F56 F57 F60 Earth Cable Battery Cable 8741637

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6954130

BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Right O/S 6954130

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8581872

Engine Wiring BMW F10 F11 N57Z Diesel Gearbox Loom Module Harness 8581872

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9264973-1

BMW X5 E70 Seat Control Unit Module ECU 9264973

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9176884

BMW E93 ECU Body Control Module H3 Junction Box 61359176884 9176884

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8510221-18

BMW E90 E91 E92 LCI 325d N57 204HP ECU Engine Module DDE 8510221 Automatic

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6839821

Battery Cable BMW G01 G02 F97 F98 Positive Plus Pole Lead L= 712MM 6839821

€75.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9367837

Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837

€170.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7599378

Transmission Wiring BMW F20 Petrol N55 Automatic Gearbox- Engine Harness 7599378

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6909235

BMW Z4 Series E85 E86 Petrol Pressure Hose Compressor Condenser 6909235

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6801509

Wireless Charger BMW F90 M5 G30 Centre Console Phone Module Unit 6801509

€89.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9371789

BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9371789

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9196591

BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9291731

BMW F10 Seat Wiring Cable Front Right O/S Electrical Loom Harness 9291731

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6941485

BMW X5 X3 E53 E83 Control Module Unit Sliding Lifting Roof

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7843349

BMW F10 F11 LCI M5 F06 F13 M6 S63N Cable Alternator Starter Base B+ 7843349

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9241005

BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9241005

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9115107-1

BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8509036-8

BMW E90 E91 335d M57N2 286HP Engine ECU DDE Kit CAS3 + Key Fob 8509036 Automatic

€569.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6799887

Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU 6799887

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9383182

BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9383182

€199.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8574091

BMW F10 F11 520d N47N 184HP Engine Control Unit ECU DDE 8574091 Automatic

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6911038

BMW E46 X5 E53 Air Module Side Impact Crash Sensor Bosch 6911038

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9266350

BMW F01 F02 HiFi System Amplifier Harman Becker Audio Booster 9266350

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6836504

BMW F20 F21 LCI F30 F31 F32 F13 Electric Coolant Fan Motor Relay 130A 6836504

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5A2D558

BMW X3 G01 G20 G21 G30 G31 Audio Receiver DAB ECE Control Module 5A2D553

€222.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 3417160

BMW X3 E83 LCI Cable Alternator Starter Base B 3417160

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 9264924

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9123994

BMW Z4 Series E89 Cabrio Roadster Radio Antenna Mast Aerial FM Bumper 9123994

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6809244

Head Unit BMW F20 F21 F32 F36 LCI Radio Media GPS Sat Navigation Unit 6809244

€408.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9264917

BMW Z4 E89 Roadster Air Module Control Unit ECU 9264917

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8678976

Engine Wiring Mini F56 BMW F40 Petrol B38C Valvetronic Servo Motor Harness

€37.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 3412244

BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7243564

BMW F20 F30 Front Sport Seat Backrest Heating Mat Element 7243564

€51.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 3412336

BMW X3 E83 Battery Cable Negative Wiring 3412336

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9247130

BMW F11 Touring Antenna Aerial Diversity Amplifier Unit 868 MHZ 9247130

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9227217

BMW F12 Aerial Amplifier AMP Antenna Supression Filter Module 9227217

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9138969

BMW E60 LCI E61 LCI Electronic Driver Circuit Centre Console 9138969

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7524715

BMW Z4 E85 Roadster Starter Earth Ground Wire Cable 2.0 Petrol 7524715

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8506373

BMW X3 Series E83 LCI 1.8d N47 Engine Control Unit ECU Module DDE 8506373 Manual

€227.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7839662

BMW E90 E92 E93 LCI Cable Alternator Starter Base B 7839662

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7928461

BMW G11 G12 G29 G31 G38 Radio Remote Control Receiver Module Unit 7928461

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9237082

BMW F10 F11 Cable Harness Door Driver's Side Right O/S Wiring 9237082

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8576341-10

BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine ECU Kit DDE 8576341 Manual

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9251487

BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487

€189.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8067512

BMW F10 F11 F30 F31 Alarm System Unit Security Basis Module 8067512

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1165905-1

BMW X5 Z3 Series 1 E36 E53 DSC Hydraulic Pump Compressor 1165905 1165904

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8510221-1

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

€132.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8373700

BMW E60 E63 E87 E90 E91 Relay Make Contact White Green 8373700

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9226325

BMW 1 E82 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8483814

BMW G20 Starter Wiring Battery Alternator Cable Harness Loom 8483814

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6882780

BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6882780

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8630125-4

BMW F20 F21 F30 116i 316i N13 136HP Engine Control ECU Kit DME 8630125 Automatic

€503.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 6986987

BMW Z4 Series E85 Cable Loom Passenger's Door Wiring Harness 6986987 6986982

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9157158

BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157158

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7520429

BMW 1 3 Series E87 E90 E91 Petrol N45 N46 118i 320i Flywheel Automatic 7520429

€30.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9163173

BMW E60 E61 LCi Right Left Rear Door Wiring Loom N/O/S 9120797

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8518424-1

BMW F20 F30 118d 318d N47N 143HP Engine Control Unit ECU DDE 8518424 Manual

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7625998

BMW F20 F21 F22 F30 F31 F32 F33 Line Cable Power Distribution Module 7625998

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9874189

BMW 1 3 Series F20 F30 MINI F56 Control Unit Air Conditioning Module 9284440

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9340522

BMW 5 F10 LCI Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9340522

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7850599

BMW F80 M3 F82 M4 Wheel Accelerator Sensor Cable Rear Axle Suspension 7850599

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9150109-2

BMW E81 E87 E90 E91 E92 Radio CD Player Professional 9150109

€94.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1432237

BMW 3 5 7 Z3 Z4 X5 Series E38 E39 E46 E53 Climate Comprresor Supporting Bracket

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6929345

BMW 1 3 Series E82 E90 E92 Roof Antenna Aerial Shark Fin GPS Radio Tel 6929345

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8576341-7

BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM

€161.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9218381-1

BMW F10 F20 F30 Steering Wheel Module Electronics Control Unit 9209427

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6866330

VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6866330

€108.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9149673

BMW 5 Series E60 E61 LCI Alarm System Unit Ultra Sonic Module 9149673

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6885215

BMW F90 M5 F91 M8 G05 G11 G30 Steering Column Control Unit Module 6885215

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9127895

BMW E88 Convertible Antenna Aerial DAB Rear Trunk Tailgate 9127895

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9253111-1

BMW 1 2 Series F20 F21 F22 Positive Plus Pole Battery Blow Cable Part 9253111

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7627021

BMW 1 3 Series F20 F21 F30 Petrol N13 Harness Engine Sensors Module 1 7627021

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

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