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 Z4 Series 2 E85 E86 Positive Battery Cable Plus Pole Lead 6953424

€37.95

Free delivery: Nov 12 – 13

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Part no. 9390396

Audio Amplifier BMW F20 F21 F22 Harman Kardon Active Sound Design Unit 9390396

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9183233

BMW E60 E61 LCI Centre Console Switch Cluster Control Unit ECU Module 9183233

€23.95

Free delivery: Nov 12 – 13

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Part no. 9296780

BMW F20 F21 F30 F31 Control Unit Air Conditioning Module 9296780

€23.95

Free delivery: Nov 12 – 13

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Part no. 9153806

BMW F01 F02 Rear Heater Blower Motor Resistor 9153806

€23.95

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Part no. 9141809

Onboard Display BMW E60 E63 E64 E90 Dashboard Dash Monitor Screen 8.8" 9141809

€37.95

Free delivery: Nov 12 – 13

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Part no. 9302937

BMW F01 LCI Cable Door Rear Left Right N/O/S Wiring Harness 9262882

€23.95

Free delivery: Nov 12 – 13

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Part no. 8387540

BMW X3 E83 Positive B Battery Terminal Point Case 8387540

€23.95

Free delivery: Nov 12 – 13

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Part no. 7852144

BMW F10 M5 F12 M6 Ignition Engine Wiring Harness Ignition Module Cyl.1-4 7852144

€66.95

Free delivery: Nov 12 – 13

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Part no. 9330952

BMW F12 F13 Air Control Module Control Unit ACSM4 9330952

€23.95

Free delivery: Nov 12 – 13

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Part no. 2447799

BMW M6 F13 X3 F25 F32 F33 Bluetooth Telematic Control Module Unit 2447799

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7793200

BMW X5 E70 X6 E71 E90 E90N E91 E92 E93 Cable Alternator Starter 7793200

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9374508

BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9374508

€23.95

Free delivery: Nov 12 – 13

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Part no. 8635813

Engine Wiring BMW F20 F30 F31 LCI B38 Valvetronic Servomotor Cable Loom 8635813

€23.95

Free delivery: Nov 12 – 13

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Part no. 6970337

BMW E92 Seat Backrest Adjustment Adapter Lead Cable 6970337

€23.95

Free delivery: Nov 12 – 13

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Part no. 6941445

BMW E63 E64 Bluetooth Cable Hands Free Telephone Microphone Unit 6941445

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3452226

BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452226

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8385159

BMW 3 X3 Series E46 E83 Battery Cable Holder Mounting B Base 8385159

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6956505

BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505

€23.95

Free delivery: Nov 12 – 13

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Part no. 9381086

Amplifier BMW F06 GT F10 F13 F15 Audi Control Unit Active Sound Design 9381086

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7401878

BMW F30 F31 LCI Front LED Headlight Vertical Actuator Left Right N/O/S 7401878

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7120204

BMW E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6953424-3

BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9261111

BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear 9261111

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8636054

BMW F20 F30 LCI 120i 320i 330i B48 Engine Wiring Cable Loom Harness 8636054

€165.95

Free delivery: Nov 12 – 13

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Part no. 5B4E028

Remote Control Receiver BMW F70 X5 G05 G60 U06 Mini F65 Radio Module 5B4E028

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7811700

BMW 1 3 Series E81 E87 LCI E90 E91 120d 320d N47 ECU KIT DDE CAS 3 Key 7811700

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8517862

BMW F10 F20 F30 F32 Engine Control Unit Diesel N47N ECU DDE 8517862 Manual

€28.95

Free delivery: Nov 12 – 13

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Part no. 6868255

Air Module BMW F20 F21 F30 F31 F32 F36 ECU ICM Plus SRS Control Unit 6868255

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9196100

Mini Cooper One F55 F56 F57 B Pillar Upper Column Airbag Sensor 9196100

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7795638

BMW 3 E90 E91 E92 E93 Cable starter-base B Diesel 7795638

€23.95

Free delivery: Nov 12 – 13

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Part no. 9289385

BMW F10 F34 GT Telematics Module Bluetooth Telematik Control Unit 9289385

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8387546

BMW 3 Z4 Series E46 E85 E86 Battery Positive Cable Fuse Box B Base 8387546

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6821203

Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 6821203

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8509105

BMW E90 E91 E92 LCI N47N Cable Alternator Starter Base B+ 8509105

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9311849

BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 9311849

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9131780

BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6900582

BMW 7 Series E65 E66 Fuse Board Power Distribution Box

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9345321

BMW F01 F02 Body Control Module Junction Box ECU 9345321

€42.95

Free delivery: Nov 12 – 13

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Part no. 9210861

BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9359799

BMW i3 I01 F10 F20 F30 LCI KaFAS Camera Speed Control ECU Module Unit 9359799

€23.95

Free delivery: Nov 12 – 13

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Part no. 9380885

BMW 1 3 4 F20 F30 F32 Control Unit Air Conditioning A/C Module 9380885

€23.95

Free delivery: Nov 12 – 13

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Part no. 8636064

Wiring Cable BMW F20 F30 LCI B48 Engine Injector Ignition Loom 8636064

€23.95

Free delivery: Nov 12 – 13

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Part no. 8506281

BMW E81 E87 E90 LCI 116d 316d 118d 318d N47 Engine ECU DDE 8506281 Manual

€23.95

Free delivery: Nov 12 – 13

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Part no. 8606022

BMW F10 F11 523i N53 204HP Engine Control Unit ECU DME 7614366 Automatic

€759.95

Free delivery: Nov 12 – 13

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Part no. 6962887

Air Module Sensor BMW Z4 E85 E64 B-Pillar Left N/S Crash Module ECU 6962887

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6861026

BMW I01 F45 F46 Mini F55 F56 Parking Assistant PDC Control Unit Module 6861026

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6935597

Parking Sensor BMW E81 E87 E90 E91 PDC Front Rear Titansilber Silver - 354

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6866990

Airbag Module BMW F01 F02 LCI F10 F11 F13 Air Bag ECU ICM Control Unit 6866990

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573260

BMW F20 F21 114d 116d Diesel N47N Engine Control Unit DDE 8573260 Manual

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6944499

BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6944499

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6878200

BMW F10 F20 F30 Rear M VDC Sport Suspension Control Unit Module 6878200

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6964139

BMW 7 Series E65 E66 E67 Front Control Unit Door Passenger Side 6964139

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8518269-6

BMW E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8518269 Manual

€151.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6967184

BMW X5 X6 Series E70 E71 Positive Battery Cable Terminal Box Base B+ 6967184

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8631725-1

BMW F22 F30 F32 220i 320i 420i Petrol N20 184HP ECU Kit DME 8631725 + Key + FEM

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6956744

BMW 1 3 Series E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Sydney Blue 6956744

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9459673

Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 7943747

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8606306

BMW F10 F11 F30 184 HP Petrol N20 Engine Control Unit ECU DME 8606306 Manual

€332.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9315151

BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9315151

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7290719

BMW F40 F54 Cover Battery Vehicle Trim 7290719

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6968652

BMW 3 Series E93 E93N LCI Aerial Antenna AM / FM Right O/S 6968652

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9291701

BMW F10 F11 LCI Front Seat Left N/S Wire Harness Loom Cable 9291701

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6969011

BMW E60 E63 E64 Body Control Module ECU Control Unit 6969011

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8639595

BMW F30 F31 F32 320i 420i N20 ECU Engine Control Unit DME 8639595 Automatic

€322.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6960381

BMW 5 Series E60 E61 Airbag ECU Control Unit Gateway Module 6960381

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7525822

BMW E90 E92 E93 Driveshaft Output Drive Shaft Right O/S Petrol 7525822

€23.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. 6860729

VDC Module BMW F31 Touring Air Suspension Level Control Unit 6860729

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8635815

BMW F20 F30 LCI 118i 318i B38 Gearbox Wiring Loom Harness Cable 8635815

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6990089-1

BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6946106

BMW 7 E65 E66 Passenger Seat Airbag Sensor Control Unit Module 6946106 6970899

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7837775

BMW 3 Series E90 E92 E93 M3 S65 Starter Motor Petrol 7837775

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9299335

BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9299335

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9159795

BMW X5 X6 E70 E71 Control Unit Air Module Bag ECU Unit Bosch 9159795

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8582280

Engine Control ECU BMW F20 F21 116d N47N 116HP DDE 8582280 Manual Transmission

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9380239

Gateway Module BMW F11 LCI Central Control Unit Lear ZGW-02 4SK 9380239

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7520902

BMW 3 5 E60 E90 E92 Carrier Bracket Holder Engine Control Module Unit 7520902

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8574351

BMW X1 E84 16d 18d 18dX Diesel N47N Engine Control Unit ECU DDE 8574351 Manual

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7394905

BMW F06 F12 F13 LCI Turn Signal LED Module Left N/S 7394905

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7446712

BMW F23 Cabrio Convertible Folding Top Roof ECU Control Unit CVM Module 7446712

€127.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9218086

BMW E81 E87 E90 LCI Top Hifi System Amplifier Logic 7 L7 Harman Becker 9218086

€332.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573257-6

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

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6972611

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9270495-1

BMW X5 E70 X6 E71 F10 F11 F12 Parking Sensor PDC Ultrasonic Black 9251944 SET X4

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9267456

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6866986

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

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A02F94

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

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7638003

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9226881

BMW 1 Series F20 F20N F21 F21N LCI Radio Aerial Antenna Amplifier AM/FM 9226881

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9159310

BMW F10 Central Sensor LOW 9159310

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9222855

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

€332.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9474776

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

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8589907

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9267200-1

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7800164

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

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9218379

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

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9362848-2

BMW F20 F21 F30 F31 Bluetooth GPS Telematics Module 9362848

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8514291

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9382418

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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