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 E60 E63 E64 KBM Basis Body Control Module ECU Control Unit 9176069

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6807633

Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 6807633

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8586540

BMW F30 F32 LCI 330d 430d N57N 258HP Engine Control Unit Module ECU DDE 8586540

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6926435

BMW 1 3 Series E87 E90 Mini R56 R57 Seat Control Unit Module Heating 6926435

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9150889

BMW E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9150889

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6952914

Wiring Loom BMW E65 E66 Cables Rear Bumper PDC 6952914

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7794908

Preheater System Lead BMW E87 E90 E91 Diesel 7794908

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3414122

BMW X3 E83 Sensor Air Module Front Impact Crash Sensor 3414122

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9262753

BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 411033

iPod Most Interface BMW E60 E65 E81 E87 E90 Module Alpine 0411033

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9350707

BMW F15 I01 Mini F55 F56 F57 PDC Module Parking Assistant Control Unit 9350707

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6971961

BMW E87 ECU Body Control Module L2 ECU Junction Box 6971961

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9153802

BMW X5 E70 Footwell Light Module Control Unit ECU FRM II NSW Lear 9153802

€146.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6901469

BMW E60 E87 E90 F10 F30 Relay Electrical Unit Black 4 Pin Tyco 6901469

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8638551

BMW F20 F21 F22 F30 F32 LCI Integrated Supply Module Unit 8638551

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9146710

BMW X3 Z4 E83 E85 E86 Radio Business CD Player Control Unit 9146710

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6964607

BMW 1 3 X1 SERIES E81 E87 E90 Control Unit Airbag ECU NO CRASH DATA 6964607

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9244426

BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 9219647

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9387262

FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Body Control Unit ECU LR01 9387262

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7793201

BMW 3 X5 X6 Series E70 E71 E90 E91 E92 E93 Lead Preheater System 7793201 Diesel

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6858017

BMW F10 F11 LCI Control Unit EMF Module 6858017

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6927572

BMW X3 E83 Z4 E85 Wiring Seat Occupancy Cable 6927572

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9381305

Radio Professional BMW F20 F21 F30 F31 CD Player DAB Bluetooth 9381305

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7127282

BMW X5 Series E70 Rear Trunk Battery Cover Tray Storage Box 7127282 51477127282

€23.95

Free delivery: Sep 11 – 15

If paid before 14:00

Part no. 9374506

Body Control Unit BMW F20 F21 F30 F31 F32 Module REM 9374506

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9381104

FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9381104

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9352864

FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9352864

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6940236

BMW E90 E91 E92 LCI AUX USB Lead Cable Wire 6940236

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9248096

Air Module BMW F01 F02 LCI F06 F10 F11 F13 ECU Control Unit ECU 9248096

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6960259

BMW 1 3 SERIES E81 E82 E87 E90 E91 E92 E93 Flat Cable Wiring Wire CAS Start Stop

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7537365

Cable Wire BMW E60 E61 E81 E87 E90 Tubing For Clamp 7537365

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9380334

BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9380334

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7492026-1

Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9134666

Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9134666

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6981416

BMW E87 E90 E91 CAS 2 Control Unit ECU Key Reading Module 6981416

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9362395

BMW F20 F30 F31 F34 Electrical Body Control Unit Module REM V2 9362395

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9231175

Diversity Antenna Amplifier BMW F30 F32 Rear Window DAB Module Unit 9231175

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6988555

Light Control Panel BMW E60 E61 E70 E70 E71 LCi Light Switch 6988555

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8583653

BMW F10 F30 F31 LCI N57N Wiring Harness Engine Glow Module 8583653

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9177773

BMW F01 F07 F10 F11 Battery Power B+ Distribution Box Rear 9177773

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9337880

BMW F20 F22 F30 Rear Electric Power Distribution Fuse Box 9337880

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7808074

BMW E70 LCI F10 Alternator Generator Engine 180A Valeo N57 Diesel 7803724

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9306085

BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9264923

BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264923

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9346799

BMW F01 F02 LCI F10 Diversity Aerial Antenna Amplifier DAB 9346799

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6972678

BMW 1 3 Series E81 E87 E90 Hands-free Electronics Charging Module MULF 6972678

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9264573

BMW 3 Series E91 LCI ECU Body Control Module Junction Box H2 9264573

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9254025

BMW 5 7 X3 X5 X6 Series F10 F11 E70 E71 F01 F02 F25 Rain Light Solar Sensor

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9251984

BMW F10 F11 F20 F21 F30 Control Unit Module Voltage Transformer VSU180 9233143

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9233034-SCG

PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9462613

Camera Speed Control BMW i3 I01 F10 F20 F30 LCI KaFAS ECU Module Unit 9462613

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8570849

BMW F20 F21 F30 F31 LCI 116i 118i 318i B38 Petrol Engine Starter Motor 8570849

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1742690-1

BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6943585

BMW E65 E66 E67 Control Electronics Seat Occupancy 6943585

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9304728

PDC Wiring BMW X3 F25 Front Bumper Loom Cable Harness Parking Sensors 9304728

€89.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9317173

BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V1 9317173

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7180050

BMW E81 E82 E87 Xenon Headlight Light Ballast Control Unit 89034934

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9119000

BMW 1 3 Series E87 E90 E91 E92 N43 Air Condition Con Pipe Hose Coolant 9119000

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9289115

Radio Professional BMW E81 E87 E90 E91 LCI Autoradio CD Bluetooth 9289115

€170.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3420482

BMW X3 E83 Ground Earth Cable Battery Wiring 3420482

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9119496

BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 9119496

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9321879

BMW F10 LCI Body Control Module Gateway ECU 9321879

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7646814

BMW F10 F20 LCI F30 B47 Diesel Alternator Generator Denso 210A 7646814

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9134707

BMW X5 E60 E61 E63 E64 E70 Control Unit Module Passive Go 9134707

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9134667

BMW X5 E70 E87 E90 E91 E92 Seat Control Unit Module ECU 9134667

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7621178-1

BMW E81 E87 LCI E90 N43 118i 318i ECU Kit DME CAS3 Key 7621178 Manual

€189.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9176685

Navigation System BMW X3 E83 Z4 E85 Mini R50 R52 DVD GPS Computer Unit

€142.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9221861

BMW E90 E91 E93 LCI Front Left Right N/O/S Seat Control Module ECU 9221861

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6860387

Air Suspension Module BMW X5 F15 F85 X6 F16 F86 Regulation Control Unit 6860387

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6821135

BMW F20 F21 F22 F30 F31 Head Unit Media DAB Navigation Business Headunit 6821135

€113.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8734748

Telematics Control Unit BMW F20 F31 LCI F32 Module ATM ECE 4G WLAN 8734748

€75.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9399247

BMW F20 F30 F31 F32 ECU Camera Module Based Drive Support

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9151516

BMW E60 E63 E64 LCI Body Control Unit Module 9151516

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6864208

BMW F20 F21 F22 F30 F31 Air Module ECU ICM Control Unit 6864208

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8510249

Engine Wiring BMW E90 E91 LCI N47N Loom Harness Cable Automatic Gearbox 8510249

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9234421

Fuse Box BMW F01 F02 F07 F10 F11 Power Distribution Front 9234421

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6941018

BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9266328

ICM Module BMW F07 GT F01 F02 F03 F04 Air Module Control Unit ECU 9266328

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9148267

BMW 3 Series E93 Seat Control Unit Module FSV 7.11.0 9148267

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9345374

BMW F10 LCI Light Control Footwell Module ECU Unit FRM3 9345374

€70.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7649087

BMW F20 LCI N20 F22 N26 Wiring Loom Harness Engine Module Ignition

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9352861

FEM Unit BMW F20 F22 F30 F32 Control Unit Module ECU Fuse Box 9352861

€142.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9350003

Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9127768

BMW E60 E61 Positive Battery Cable Plus Pole Lead 61129127768 9127768

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6935599

BMW 1 3 Series E81 E87 E90 PDC Parking Ultrasonic Sensor Red Japanrot Japan Red

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9122100

BMW 1 Series E88 Mini Cooper R57 R59 Sat Nav GPS Antenna Amplifier 9122100

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6819333

BMW F30 Rear Body Control Unit Module V2 6819333

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6886185

BMW F20 F21 F30 F31 ICM Module Air Module Control Unit ECU 6886185 0265020864

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9224872

BMW 1 2 3 4 Series F20 F21 F30 F80 Cover Power Distribution Fuse Box 9224872

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9258350

Air Module BMW F20 F21 F22 F30 F31 F32 Control Unit ECU 9258350

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9168336

BMW X1 E84 Diversity Aerial Antenna Amplifier DAB 9168336

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9263800

BMW E90 LCI ECU Footwell Light Module FRM3R Rear Led Basis 9263800

€75.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8509722

BMW 1 Series F20 F21 F22 F30 F31 F35 Control Unit Box Engine 8509722

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6940237

Wiring Cable AUX BMW E90 E91 E92 E93 Loom Kit Jack Plug Input 375MM 6940237

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9280185

Air Module BMW F10 F11 F01 F02 F03 LCI Control Unit ECU 9280185

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9226333

BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9226333

€80.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6970701-1

BMW 3 Series E93 E93N LCI 1 Rear Bumper Antenna Aerial Telephone 6970701

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9285504

Distributor BMW X5 F15 X6 F16 B + Battery Power Distributor 9285504

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9369124

BMW F10 F20 F30 Front Seat Control Unit Module Memory 9280913

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

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