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 E81 E82 E83 E84 E85 E87 E90 Petrol Denso Starter Motor 7524843

€23.95

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Part no. 7534921

BMW 3 X3 Series E46 E83 Engine Electronics Complete Control Unit Box 7534921

€23.95

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Part no. 9231321-1

BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9231321

€42.95

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Part no. 9247474-1

BMW E93 LCI ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9247474

€42.95

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Part no. 9118931

BMW E60 E61 LCI Airbag ECU Control Unit Module 9118931

€23.95

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Part no. 9291956

BMW 1 Series F20 F20N LCI Front Door Wiring Loom Harness Driver Side 9291956

€23.95

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Part no. 7811702-6

BMW E81 E82 E87 LCI E88 N47S 123d 204HP Engine Unit ECU DDE Manual 7811702

€85.95

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Part no. 9286789

BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9286789

€80.95

Free delivery: Nov 12 – 13

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Part no. 6887358

BMW F10 F11 EMF Module Parking Brake Unit Electric Control 6863800

€23.95

Free delivery: Nov 12 – 13

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Part no. 6992830

BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830

€32.95

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Part no. 8803368

Display Screen BMW F45 F46 Central Information Navigation Monitor 6,5" 8803368

€161.95

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Part no. 3412574

BMW X3 Series E83 Rear Left Right Door N/O/S Wiring Loom Cables 3412574

€23.95

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Part no. 8661071

BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8661071

€23.95

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Part no. 9132539

BMW 1 3 Series E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9132539

€23.95

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Part no. 9348411

BMW X3 F25 Hifi System Audio Sound Amplifier AMP Module Unit 9348411

€85.95

Free delivery: Nov 12 – 13

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Part no. 9168833

BMW E60 E60N E63 E63N Body Control Module ECU Control Unit 9168833

€23.95

Free delivery: Nov 12 – 13

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Part no. 6927548

BMW Z4 E85 Drive For Window Lifter Motor Front Right O/S 6927548 9116626

€28.95

Free delivery: Nov 12 – 13

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Part no. 9115449

BMW X5 X6 E70 E71 Power Junction Box Positive Battery Cable Plus Pole 9115449

€23.95

Free delivery: Nov 12 – 13

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Part no. 9251727

BMW 1 Series F20 F21 Front Bumper PDC Loom Cables Wiring 9251727

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7605061

Alternator Generator BMW F10 F30 N20 Diesel Electrical Unit Denso 210A 7605061

€42.95

Free delivery: Nov 12 – 13

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Part no. 7848469

BMW F80 M3 F82 F83 M4 Wiring Harness Engine Gearbox Module 7848469

€94.95

Free delivery: Nov 12 – 13

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Part no. 8507880

BMW 1 3 Series F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module

€23.95

Free delivery: Nov 12 – 13

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Part no. 9294206

BMW F25 CD DVD Navigation Sat Nav Head Unit 9294206

€89.95

Free delivery: Nov 12 – 13

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Part no. 9156654

BMW 3 Series E93 Rear Antenna Aerial Amplifier AM/FM 9156654

€23.95

Free delivery: Nov 12 – 13

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Part no. 6917557

BMW Z4 Z3 E36 E85 Module Radar Burglar Alarm Sensor 6917557 6963225

€23.95

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Part no. 6940623

BMW 1 3 Series E81 E82 E84 E87 E90 E91 PDC Parking Ultrasonic Sensor Quartz Blue

€23.95

Free delivery: Nov 12 – 13

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Part no. 9230944

Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9230944

€79.95

Free delivery: Nov 12 – 13

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Part no. 6931507

BMW E60 E61 E63 E87 E90 E91 F10 Diagnosis Interface Most 6931507

€23.95

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Part no. 6970908

BMW E65 E66 Sensor Front Right Door Airbag O/S 6970908

€23.95

Free delivery: Nov 12 – 13

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Part no. 6902285

BMW E39 E87 E90 E91 Trigger Contact PDC Sensor Tweeter Gong 6902285

€23.95

Free delivery: Nov 12 – 13

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Part no. 9298936

BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9298936

€56.95

Free delivery: Nov 12 – 13

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Part no. 8512499

Engine Control Unit BMW E81 E87 E90 E91 LCI N47 Diesel ECU DDE 8512499

€23.95

Free delivery: Nov 12 – 13

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Part no. 9110890

BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9110890

€94.95

Free delivery: Nov 12 – 13

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Part no. 6850374

BMW 1 3 Series E81 E87 E88 E90 E91 E92 Accelerator Speed Sensor 6850374 6778421

€23.95

Free delivery: Nov 12 – 13

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Part no. 9364669

BMW F10 F11 LCI Active Sound Unit Control Module Design Amplifier 9337754

€61.95

Free delivery: Nov 12 – 13

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Part no. 9224673

BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9224673

€42.95

Free delivery: Nov 12 – 13

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Part no. 6819329

KaFAS Camera BMW i3 I01 F10 F20 F30 LCI Speed Control ECU Module Unit 6819329

€28.95

Free delivery: Nov 12 – 13

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Part no. 9244429

BMW X6 Series E71 Rear Bumper PDC Cables Wiring Loom Set 9244429

€32.95

Free delivery: Nov 12 – 13

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Part no. 6807634

BMW X5 F15 F20 F30 SRS Air Module Bag Control Unit Module ECU 6807634

€23.95

Free delivery: Nov 12 – 13

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Part no. 6990109

BMW X3 E83 LCI Front Door Speaker Tweeter 6990109

€23.95

Free delivery: Nov 12 – 13

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Part no. 6791521-4

BMW 1 3 Series E87 E90 E91 ABS DSC Module Pump ECU Hydro Unit 6778164 6791521

€113.95

Free delivery: Nov 12 – 13

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Part no. 9286479

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

€75.95

Free delivery: Nov 12 – 13

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Part no. 9247398

BMW F01 F10 F11 F12 Body Control Unit Module Gateway ZGW-01 9247398

€23.95

Free delivery: Nov 12 – 13

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Part no. 9292655

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9292655

€113.95

Free delivery: Nov 12 – 13

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Part no. 8573260-2

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

€47.95

Free delivery: Nov 12 – 13

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Part no. 9174269-1

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9264974

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

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6826983

BMW F20 F21 F30 F31 Air Module Control Unit ECU Controller 6826983 0 285 013 626

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9162930-WB

BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9389070

BMW F20 F30 LCI REM Electric Power Distribution Fuse Box Control 9389070

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9290621

BMW F33 F83 M4 Convertible Top Phone Antenna Aerial Module CTM Unit 9290621

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7631587

BMW 1 3 X5 Series E53 E81 E87 E90 LCI Battery Mounting Bracket Clamp Bolt Holder

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9148016-2

BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016

€279.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7852630

Differential Lock Module BMW F10 M5 F80 M3 Rear Axle Control Unit ECU 7852630

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6824383

BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 6824383

€113.95

Free delivery: Nov 12 – 13

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Part no. 9134669

BMW E93 Convertible Seat Control Unit Module ECU 9134669 FSV 7.10.0

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7542529-3

BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7394651

BMW 5 F11 Touring Rear Boot Trunk Lid Tailgate Control Unit Module ECU 7333928

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9160189

BMW 1 Series E87 LCI ECU Body Control Module H2 ECU 9160189

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8736083

BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9293242

BMW 3 7 Series F01 F02 LCI F34 Telematics Control Unit Module TCB ECE 9293242

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9252816

BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6977759

BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6977759

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7233914

BMW E90 E91 Central Locking Lock Immobilizer Control Unit Module ECU 7233914

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9247467

BMW E82 ECU Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8494840

BMW F20 F21 F30 F32 LCI Headlight Ballast Control Unit Module FLE2 LOW 8494840

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9383695

BMW F10 Footwell Light Module Control Unit ECU FRM III TEMIC 9383695

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9374510

BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9374510

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9227181

BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359227181 9227181

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8595355

BMW G11 G12 G30 G32 G14 Starter Cable Alternator Cable Starter-Base B+ 8595355

€29.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8506442-1

BMW E81 E87 LCI 123d Petrol N47S 204HP ECU Kit DDE 8506442 CAS3 Key Automatic

€256.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2622610

Bluetooth Module BMW F10 F20 F23 F30 Teleservices GPS Telematics Control 2622610

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5B4E029

Remote Control Receiver BMW X5 G05 U06 Mini F65 Receiver Radio Module 5B4E029

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9117847

PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 9117847

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9313933

BMW F13 Footwell Light Module Control Unit ECU FRM3 9313933

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573260-6

BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual

€227.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9162930-WB1

BMW E81 E82 E87 E90 E91 Parking Sensor PDC Ultrasonic Bluewater - 896 SET X2

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9114215

BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6901269

BMW X3 Z4 Series E83 E85 E86 Base B Positive Battery Terminal Cover Compartmen

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9228491

BMW 5 Series F10 ECU Body Control Module V2 Junction Box 61359228491 9228491

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9170452

BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM II NSW 9170452

€132.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6967184-1

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9226884

BMW F20 F21 LCI Antenna Amplifier Diversity 9226884

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6947786

BMW E60 E61 E63 E64 Steering Column Adjuster Switch 6947786

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6923209

BMW X5 E46 E53 Alarm System Inclination Indicator Module Unit 6923209

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8512292

BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Manual

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9139868

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9293309

BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9293309

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8585642

BMW F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module 8585642

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9134668

Seat Control Unit BMW E90 E91 E92 Seat Module Unit Controller ECU 9134668

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8380945

Genuine BMW 5 X5 Series E39 E53 Aerial Trap Circuit Antenna Noise Filter

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6824108

BMW F30 LCI 330e Hybrid High Voltage EDH Wiring Cable Wire 6824108

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9852926

BMW F31 X5 F15 Mini F60 Electric Tailgate Bootlid Control Unit Module 9852926

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573258

BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8573258 Manual

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6798872

BMW F10 F11 F30 F31 Wheel Electronics Module RDC 433MHZ Control Unit 6798872

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7567776

Starter Cable BMW E81 X1 E84 E87 E90 N52 Alternator Battery Wire B 7567776

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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