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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Trunk Lid Module BMW F40 F90 M5 G20 G30 Power Tailgate Control Unit 9451484

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9302937

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8387540

BMW X3 E83 Positive B Battery Terminal Point Case 8387540

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7852144

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

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9227766

BMW F11 Touring Tailgate Spoiler Probe AM/FM Sensor 9227766

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9330952

BMW F12 F13 Air Control Module Control Unit ACSM4 9330952

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7595179-15

BMW E81 E87 LCI N43 116i 1.6 122HP ECU Control Unit Kit DME 7595179 CAS3 + Key

€194.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 2447799

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

€113.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 8635813

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6970337

BMW E92 Seat Backrest Adjustment Adapter Lead Cable 6970337

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6941445

BMW E63 E64 Bluetooth Cable Hands Free Telephone Microphone Unit 6941445

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9197177

BMW E82 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9197177

€113.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 3452226

BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452226

€32.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 9381086

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

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7120204

BMW E93 Cable Wiring Loom Harness Hydraulic Pump 7120204 7191362

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6953424-3

BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 9268478

BMW F20 F21 F30 F31 Driver Assist ACC Lane Change Switch Button Panel 9268478

€42.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 6860936

BMW i3 I01 F45 F46 Control Unit SAS Module ECU 6860936

€142.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 6868255

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

€28.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 7795638

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

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 6821203

Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 6821203

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8509105

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

€28.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 8626472-1

BMW F20 F21 M135i N55 326HP Petrol Engine Control Unit ECU DME 8626472 Automatic

€284.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 6900582

BMW 7 Series E65 E66 Fuse Board Power Distribution Box

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7534921

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9210861

BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 9380885

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8636064

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

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8506281

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

€28.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 2753025

Mini Cooper R55 R56 R57 R58 Wiring Heated Seat Loom 2753025

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 3427749

BMW X3 E83 Cable Loom Door Passenger Side Wiring Harness 3412570

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 9315151

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7290719

BMW F40 F54 Cover Battery Vehicle Trim 7290719

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 3452166

BMW X3 E83 Air Module Control Unit ECU 3452166

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6929950

BMW 5 Series E60 E61 E63 E64 LCI CD Changer Magazine 6929950

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8635815

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

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6990089-1

BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 7837775

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

€70.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 8574351

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

€94.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 9159310

BMW F10 Central Sensor LOW 9159310

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9222855

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

€332.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 7800164

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

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9218379

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

€66.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 9119355

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

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 6948182

BMW E60 E61 LCI Alarm System Unit Ultra Sonic Module

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1388277

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

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 9118037

BMW E46 Convertible Alarm Sensor MDD Module Burglar Alarm Radar 9118037

€28.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 7797661

Alternator BMW X3 E53 X5 E83 M57N2 Generator Diesel Power 150A 7797661

€89.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

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