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 F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8573257 Automatic

€89.95

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BMW 5 Series E60 E61 Wiring Rear Left Right Door Cable Harness N/O/S 6982362

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€37.95

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Control Unit BMW F10 F11 Body Module ECU JBBFE IIIR V2 PL6 ECU 9267456

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BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6866986

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PDC Module BMW F45 X3 F25 Mini F55 F56 F60 Parking Distance Sensor Unit 5A02F94

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BMW F20 F21 F22 F23 F34 LCI F22 F30 F36 Starter Ground Cable 7638003

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BMW X5 X6 Series E70 E71 Navigation System Car Computer CIC 9222855

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KaFAS Camera BMW F10 F20 LCI F30 Mini F55 F56 Control Unit ECU Module 9474776

€32.95

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Supply Module BMW F40 F48 Mini F55 F56 F57 Integrated Z11 Control Unit 8589907

€23.95

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BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200

€23.95

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BMW F10 F11 N57 N57S Positive Battery Cable Alternator Starter Lead 7800164

€28.95

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BMW F20 F22 F30 F35 X3 F25 Steering Wheel Control Unit 9218379

€66.95

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BMW F20 F21 F30 F31 Bluetooth GPS Telematics Module 9362848

€23.95

Part no. 8514291

Battery Cable BMW X3 F25 X4 F26 B47 Alternator Starter Base B Cable 8514291

€23.95

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BMW F45 X1 F48 G30 Telematics Module Bluetooth Telephone Control Unit 9382418

€23.95

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

€23.95

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

€23.95

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

€23.95

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

€75.95

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BMW E60 E61 LCI Alarm System Unit Ultra Sonic Module

€23.95

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

€23.95

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

€23.95

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

€23.95

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

€142.95

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

€32.95

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BMW E46 Convertible Alarm Sensor MDD Module Burglar Alarm Radar 9118037

€28.95

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

€23.95

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

€32.95

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

€23.95

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

€32.95

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

€94.95

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

BMW E92 LCI PDC Wiring Loom Harness Rear Bumper

€23.95

Part no. 8577764-1

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

€379.95

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

€42.95

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

€56.95

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

€284.95

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

€23.95

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

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Part no. 9142092

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

€23.95

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

€23.95

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Engine Wiring BMW F30 F31 N20 Loom Module Harness Cable 7631932

€75.95

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

€23.95

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BMW E65 E66 E67 Control Unit Front Centre Console Module 6989994

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

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

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KaFAS Camera BMW F10 F11 Rear View Control Unit Module 9199305

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

€23.95

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

€37.95

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BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 90847906

€51.95

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

€23.95

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

€23.95

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

€28.95

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

€23.95

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

€32.95

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

€113.95

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

€51.95

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

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

€199.95

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BMW E81 E87 E90 E91 PDC Parking Sensor Front Rear Mineralgrau Mineral Gray B39

€23.95

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

€23.95

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BMW Z4 E85 Left N/S Contact Bush 7075907

€23.95

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

€23.95

Part no. 8741637

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

€23.95

Part no. 8581872

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

€42.95

Part no. 9264973-1

BMW X5 E70 Seat Control Unit Module ECU 9264973

€47.95

Part no. 9176884

BMW E93 ECU Body Control Module H3 Junction Box 61359176884 9176884

€32.95

Part no. 8635808

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

€56.95

Part no. 8510221-18

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

€42.95

Part no. 6839821

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

€75.95

Part no. 7599378

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

€66.95

Part no. 9239781

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

€75.95

Part no. 6909235

BMW Z4 Series E85 E86 Petrol Pressure Hose Compressor Condenser 6909235

€32.95

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

€89.95

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BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9371789

€23.95

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BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591

€23.95

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

€23.95

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BMW X5 X3 E53 E83 Control Module Unit Sliding Lifting Roof

€23.95

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

€28.95

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

€23.95

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

€569.95

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

€23.95

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Antenna Amplifier BMW Z4 E85 E86 Rod Antenna Unit Module 9119578

€23.95

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

€199.95

Part no. 8574091

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

€85.95

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

€23.95

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BMW F01 F02 HiFi System Amplifier Harman Becker Audio Booster 9266350

€47.95

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

€23.95

Part no. 5A2D558

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

€222.95

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BMW X3 E83 LCI Cable Alternator Starter Base B 3417160

€23.95

Part no. 8512292-2

BMW E90 E91 LCI N47N 316d 116HP Engine ECU Kit DDE 8510832 + CAS3 + Key Manual

€146.95

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

€23.95

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

€23.95

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BMW Z4 E89 Roadster Air Module Control Unit ECU 9264917

€23.95

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

€28.95

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BMW 3 Series E90 E91 E92 E93 Engine Starter Motor 0 986 021 230

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

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