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 E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module 9119355

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6928461

BMW E46 E60 E61 E63 E81 E87 E90 E91 X3 E83 X5 E53 E70 Bluetooth Antenna 6928461

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8622032

BMW F20 F21 F30 F31 LCI Control Unit Box Cover Mudguard Flap Cap 8622032

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8578946-4

BMW F20 F30 F32 120Xd 320Xd 420Xd N47N Engine Control ECU DDE 8578946 Automatic

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6948182

BMW E60 E61 LCI Alarm System Unit Ultra Sonic Module

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6938215

BMW 3 Series E90 E91 Front Right O/S Driver Side Door Wire Wiring Loom 6938210

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1388277

BMW E39 E46 E60 E61 E83 E90 E91 Switch Glove Box Light

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6964141

BMW 7 Series E65 E66 E67 Control Unit Module Door Front Driver Side 6964141

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7595179-2

BMW 1 Series E81 E87 LCI N43 116i 2.0 Petrol ECU Kit 7595179 DME CAS3 Key

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9166782-1

BMW X5 X6 E70 E71 Dashboard Navi Monitor Sat Nav System Screen 8,8" 9166782

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9118037

BMW E46 Convertible Alarm Sensor MDD Module Burglar Alarm Radar 9118037

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6989309

BMW 1 3 X1 Series E84 E90 E91 E92 Diesel N47 Air Condition Con Suction Hose Pipe

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8570846

BMW F20 F21 F22 F30 F32 LCI B47 Diesel Starter Motor Engine 8570846

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9270356

Fuse Box BMW F40 Mini F55 F56 Power Distribution Junction Relay Unit 9270356

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6938975

BMW E60 E61 E63 E64 6-disc Compact CD Changer 6938975

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8586574

BMW 1 F20 F21 LCI 116d B37 Engine Gearbox Module Wiring Cable Loom 8586574

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-1

BMW E92 LCI PDC Wiring Loom Harness Rear Bumper

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8577764-1

BMW F10 F11 520d Diesel N47N 184HP ECU Kit DDE 8577764 + Key + CAS4 Automatic

€379.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8572918

BMW 1 Series F20 F21 LCI 116d 116ed B37 Diesel Engine Starter Motor 8572918

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6826326

BMW F40 G05 G20 G30 Shark Roof Fin Antenna Aerial Module Unit 6826326

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7561834-22

BMW E87 E90 120i 320i N46 150HP Engine Control DME Module 7561834 Automatic

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9229873

BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9229873

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8802918

BMW F20 F30 Mini F55 F56 Radio Remote Control Receiver 434 MHZ 8802918

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9142092

Bluetooth Antenna BMW X1 X3 Z4 E84 E89 F01 F02 F03 F25 Amplifier AMP 9142092

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7160897

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7631932

Engine Wiring BMW F30 F31 N20 Loom Module Harness Cable 7631932

€75.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6989994

BMW E65 E66 E67 Control Unit Front Centre Console Module 6989994

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 7545142

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9199305

KaFAS Camera BMW F10 F11 Rear View Control Unit Module 9199305

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7549284

BMW 1 3 Series E87 E90 118i 318i N46 Wiring Loom Cable Harness Engine Gearbox

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 90847906

BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 90847906

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9261580-GSB

BMW F20 F21 F30 F31 PDC Parking Sensor Ultrasonic SET x2 Glacier Silber - A83

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 7521122

BMW E60 E65 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Starter Motor 7521122

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8570673-1

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

€75.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 8510137-3

BMW F10 F11 520d N47N 184HP Engine Control Module ECU DDE 8513242 Manual

€113.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 8510221-2

BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key

€199.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9269956

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7075907

BMW Z4 E85 Left N/S Contact Bush 7075907

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9287530

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

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 8581872

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

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9264973-1

BMW X5 E70 Seat Control Unit Module ECU 9264973

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9176884

BMW E93 ECU Body Control Module H3 Junction Box 61359176884 9176884

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8635808

Engine Wiring BMW F20 F30 F31 LCI B38 Loom Module 2 Harness Cable 8635808

€56.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 7599378

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

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9239781

BMW F10 Front Bumper Parking Sensor PDC Wiring Harness Loom Wire 9239781

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6909235

BMW Z4 Series E85 E86 Petrol Pressure Hose Compressor Condenser 6909235

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6801509

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

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9371789

BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9371789

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9196591

BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6941485

BMW X5 X3 E53 E83 Control Module Unit Sliding Lifting Roof

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9119578

Antenna Amplifier BMW Z4 E85 E86 Rod Antenna Unit Module 9119578

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6911038

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9266350

BMW F01 F02 HiFi System Amplifier Harman Becker Audio Booster 9266350

€47.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 3417160

BMW X3 E83 LCI Cable Alternator Starter Base B 3417160

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9264924

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

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9264917

BMW Z4 E89 Roadster Air Module Control Unit ECU 9264917

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8678976

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

€28.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 6977723

BMW E87 Light Module Control ECU Unit LCM Footwell Module PL2 FRMFA 6977723

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7939168

Rain Sensor BMW F20 F21 F30 F31 Windscreen Light Solar Condensation Unit 7939168

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3412244

BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7243564

BMW F20 F30 Front Sport Seat Backrest Heating Mat Element 7243564

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3412336

BMW X3 E83 Battery Cable Negative Wiring 3412336

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9247130

BMW F11 Touring Antenna Aerial Diversity Amplifier Unit 868 MHZ 9247130

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9227217

BMW F12 Aerial Amplifier AMP Antenna Supression Filter Module 9227217

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9138969

BMW E60 LCI E61 LCI Electronic Driver Circuit Centre Console 9138969

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 7839662

BMW E90 E92 E93 LCI Cable Alternator Starter Base B 7839662

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9286236

BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286236

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9251487

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

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8067512

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

€28.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

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