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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Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU Control Unit 6864923

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9165623

BMW X5 X6 Series E70 E71 Airbag Control ECU Unit Module 9165623

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8518568-4

BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Unit ECU DDE 8518568 Automatic

€89.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7254970

BMW E92 LCI Grille Trim Panel Chrome Frame Front Right O/S 7254970

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6933529

BMW 5 Series E60 E61 Centre Console Switch Centre DSC 6933529

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6842986

BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 6842986

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9393186

Audio Amplifier BMW F30 F31 LCI F32 Top Hifi Harman Kardon Control Unit 9393186

€531.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9131649

Driver Seat Cable BMW E81 E82 E87 E88 Sensor Mat Wiring 9131649

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6949922

BMW 3 5 E46 E61 Touring Amplifier Soft Antenna Suppression Filter 6949922

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6799712

BMW F10 F11 ICM Management Control Unit Module DSC Brakes 6799712

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9484301

BMW F45 X1 F48 Mini F54 F55 F56 Air Module Control Unit ECU 9484301

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6870277

Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6870277

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7804110

BMW 5 Series F10 F11 LCI Earth Cable Battery Cable 7804110

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6983075

BMW F01 F07 F10 F30 LCI Fan Motor For Amplifier Control Unit Module Controller

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9111165-PB

BMW E81 E82 E87 E88 E90 E91 Ultrasonic Sensor PDC Platinbronze A53 9111165

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9313614

BMW F30 F31 F80 M3 Driver's Side Door Wiring Loom Cable 9313614

€54.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8580390

Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9348361

FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9348361

€104.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7555188-1

BMW F01 F07 GT F10 F11 F12 F13 Control Unit Box Cover Cap 7555189

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9259425-1

Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8384525

BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384525 6920648

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6799659

BMW F10 F11 ICM Module Integrated Chassis Management QL ES Control Unit 6799659

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9244161

BMW F01 F02 F03 F04 Head Unit Radio Media Player Navigation 9244161

€165.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8517862-5

BMW F10 F20 F30 520d 120d 320d N47N 184HP Engine Unit ECU DDE 8517862 Automatic

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7619250

Alternator Bracket BMW F10 F20 F22 F30 F32 LCI G30 B47 Supporting Mount 7619250

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9296495

BMW F20 F21 F22 F30 F31 F33 F34 Air Module Control Unit ECU 9296495

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9299594

Central Gateway BMW X3 F25 X4 F26 Module Control Unit Lear ZGW-02 4SK 9299594

€62.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6788716

BMW 7 Series E65 E66 E67 Steering Column Control Unit CIM Module

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9348763

BMW 3 4 Series F30 F80 M3 F82 M4 Battery Cable Lead Positive Underfloor 9348763

€113.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8510829-3

BMW E90 E91 LCI 320d N47N Engine Basic DDE 8510829 Control Unit Manual

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9146651

BMW X5 X6 E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7857551

Battery Cable BMW F80 M3 F82 M4 Wire Lead Positive Alternator Starter B+ 7857551

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9217004-1

BMW X5 X6 E70 E71 Positive Battery Cable Wiring Plus Pole 9217004

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7615308

BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8506199-2

BMW E60 E61 LCI 520d N47 Diesel Engine ECU Kit DDE CAS3 + Key 8506199

€284.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7622980

Wiring Harness BMW F20 F21 F30 Motor Sensor System Module 2 7622980

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7543297

BMW 5 6 Series E60 E61 E63 E64 N52 Cable Alternator Starter Base B

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6945145

BMW E60 E61 E63 Air Control Module Passenger Side Door 6945145

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6978265

BMW Z4 E85 E86 Roadster Interior Fuse Box 6978265

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7605076

BMW F06 F10 F11 F12 F13 Wiring Harness Cable Engine Ignition Module N55 7605076

€75.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9284272

BMW F10 Body Control Module Electronic Junction Box 9284272

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9267205-1

BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9267205

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9267511

BMW X5 E70 Body Control Module Main Primary ECU Unit JBBFEIII R LP 9267511

€127.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7518610

BMW E65 E66 E67 Earth Ground Battery Strap Cable 7518610

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9261110

BMW F20 F21 F30 F31 Fuse Box Power Distribution Control Unit Box Rear 9261110

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6850846

BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7835131

BMW E60 E61 LCI M5 E63 M6 Fuel Injection System Adapter Lead 7835131

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9289007

BMW 5 F10 F11 On-board Central Information Display Screen Monitor 6,5" 9289007

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6857262

Air Module BMW F01 F02 LCI F10 F11 F13 ICM SRS Control Unit ECU Bosch 6857262

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9150883

BMW 3 E93 Convertible Boot Trunk Lid Tailgate Wiring Loom Harness Cables 9150883

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1742690

BMW E60 E63 E87 E90 Relay Changer Make Contact Salmon Red 1742690

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9229880

BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9229880

€51.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6821139

BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Unit Basic 6821139

€113.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7627023

BMW F20 F21 F30 Petrol N13 Automatic Gearbox Engine Sensor Module 1 Wiring

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9866978

BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9866978

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7810860

BMW E90 E91 E92 LCI N47N Engine Alternator Starter Cable B 7810860

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8573116

BMW 5 Series F10 F11 LCI B47 Cable Alternator Starter 8573116

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6906609

Fuse Box Control BMW E87 E90 E91 E92 E93 Front Power Distribution 6906609

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9347878

Dashboard Monitor BMW X5 F15 Onboard Central Display Screen 10,25" 9347878

€246.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7805349-1

BMW X3 Series E83 LCI M47N2 2.0d 150HP ECU Kit DDE + EWS4 + Key 7805349 Manual

€313.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9367376

Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9367376

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6906914

BMW X5 E53 Battery Cable Negative Wire 6919976

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9374507

BMW F23 REM Rear Electronic Module Fuse Box Control Unit V2 9374507

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9162986

BMW E81 E87 E87N E90 LCI E91 E92 Air Conditioning Control 9162986

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9232896

Dashboard Monitor BMW X5 X6 E70 E71 Onboard Display Screen 8,8" 9232896

€113.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9337879

BMW 1 3 4 Series F20 F21 F30 F31 F34 Power Distribution Fuse Box Front 9337879

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9139868-1

BMW X3 E83 LCI X5 E70 LCI PDC Parking Ultrasonic Sensor Black 9139868

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7541335-5

BMW Z4 E85 2.2i M54 170HP Engine Control ECU Kit DME 7541335 EWS3 + Key Manual

€237.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6818814

Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6818814

€89.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8363668

BMW X3 X5 Series E53 E83 Steering Column Turn Indicator Switch Stalk 8363668

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6838609

Antenna Amplifier BMW F40 Aeral Diversity Control Unit FM DAB Live Dash 6838609

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8385164-2

BMW 7 Series 2 E65 E66 Battery B Engine Compartment Terminal Point 8385164

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9279823

BMW F30 REM Rear Electronic Module Fuse Box Control 9279823

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8482940

BMW F30 LCI G11 G30 Battery Cell Supervision Circuit Module Unit 8667593

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6868253

BMW F20 F21 F30 F31 ECU ICM Control Unit Air Module ECU 6868253

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9194824

BMW Z4 E89 Convertible Roadster Air Module ECU Control Unit 9194824

€94.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6910542

BMW 3 X3 Series E46 E83 Battery Cable Plus Pole Power Positive 6910542

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8631668

BMW F20 F21 F30 LCI M140i 340i Wiring Harness Injection Valve Ignition 8631668

€70.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6840399

Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation Business GPS 6840399

€227.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9207913-1

BMW F20 F21 F22 F30 F31 F32 F33 F36 Fan Motor Relay 9207913

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6942990

BMW 5 6 Series E60 E61 E63 E64 Actuator Air Distribution Flap Matrix Heater

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 3448250

BMW X3 E83 Front Door Window Lifter Regulator Motor Right O/S 3448250

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9244422

BMW X5 E70 LCI Front Bumper PDC Loom Cables Wiring Set 9244422

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6976156

BMW E60 E61 E63 Passenger Side Door Air Control Module 6976156

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9286863

BMW X5 Z4 Series E70 E89 Active Sound Harman Becker Amplifier Design 9286863

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7524109

BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Gearbox Manual 7524109

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9315096

BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315096

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6928050

BMW 7 Series E65 E66 E67 Battery Cable Wire Earth Ground Minus Negative L=260MM

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7938196

PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 7938196

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9276009

BMW F07 GT Rear Antenna Aerial Amplifier AM/FM DABIII FBD2 868MHZ 9237057

€180.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7615305

Engine Wiring BMW F20 F21 F30 F31 N13 Loom Module Harness Cable 7615305

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9197161

BMW 1 Series E82 ECU Footwell Light Module Control Unit PL2 FRMFA 9197161

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8512047

BMW E90 E91 LCI N47N 320d ed ECU KIT DDE CAS 3 Key 8512047 Manual

€151.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9285504-1

BMW X5 F15 X6 F16 B + Battery Power Distributor 9285504

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6953424-2

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

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9390396

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

€94.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 9194064

Board Monitor BMW X5 X6 E70 E71 Sat Nav System Screen 8,8" 9194064

€99.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9296780

BMW F20 F21 F30 F31 Control Unit Air Conditioning Module 9296780

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

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