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 X3 F25 Holder Audio Amplifier Telephone Bracket Mount Trim 9188582

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9257152

Telematics Bluetooth BMW F10 F20 F22 F30 Combox GPS Control Unit Module 9257152

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. E87-E90-PLUG-SOCKET-LOOM-PDC

BMW E81 E82 E87 E88 E90 E91 E92 Plug Socket Loom PDC Parking Sensor

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7374942

BMW F20 F21 F30 F31 Fuel Pump Control Unit Module 7374942

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6951629

BMW Z4 X3 E83 E85 Mini R50 DVD GPS Navigation System Computer 6951629

€99.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9230046

BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9288304

FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Control Unit 9288304

€51.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6909776

BMW X5 Series E53 Control Element Light Switch 6909776

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6786139

BMW 5 7 Series E60 E65 Control Unit Dynamic Drive Front Axle Suspension

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8621839

BMW F20 F21 F30 LCI G30 B38 B48 Starter Motor Engine Petrol 8621839

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9200503

BMW E60 LCI F01 F07 F10 ECU USB Hub Control Unit Module 9200503

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9273188

BMW E81 E87 E90 LCI Professional Navigation Car Radio Player CIC 9273188

€237.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9197002

BMW X5 Z4 E70 E89 HiFi Stereo Audio Sound System Amplifier 9197002

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 3452285

BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5"

€256.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6985878-1

BMW 5 Series E60 E61 LCI Actuator Fuel Filler Flap Lock 67116985878 6985878

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9382516

PDC Module BMW F15 F16 F25 Mini F55 F56 Parking Assistant Control Unit 9382516

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9259466

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7514342

BMW E34 Z4 E85 Base B Terminal Point Engine Compartment 7514342

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9367350

KaFAS Camera BMW F10 F20 F30 Mini F55 F56 Front Control Unit Module ECU 9367350

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8583451

BMW F20 F21 F30 LCI F32 Engine Starter Motor Diesel B37 B47 8583451

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8576341

BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Control ECU DDE 8576341 Manual

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9257366

BMW 5 7 Series F01 F10 LCI Aerial Antenna Amplifier Diversity 868 MHZ 9257366

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7181313

BMW X1 E84 E90 E91 Door Handle LED Light Lighting Left N/S 7181313

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9282118

BMW F10 CAS4 Control Unit Module 9282118 61359282118

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9253563

BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9216128

BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU 9216128

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6926459

BMW X1 E81 E82 E84 E87 E88 E90 E91 E92 Climate Control Solar Sensor 6926459

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6864204

ICM Module BMW F20 F21 F30 F31 Control Unit 6864204

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8507885

BMW 1 3 Series F20 F30 Diesel N47N Wiring Harness Engine Gearbox Module 8507885

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6798242

ICM Module BMW F10 F11 Integrated Chassis Management QL ES Control Unit 6798242

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6819336

BMW F20 F21 F22 F30 F31 F32 F33 Fuse Box Body Control Unit Module REM V5 6819336

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9229294

BMW F20 F21 F22 F30 F31 F80 M3 USB Socket Plug Port Control Unit 9229294

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8792148

Navigation Headunit BMW F20 F22 F30 Mini F55 F56 Head Unit Basic Media

€104.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8376445

BMW X3 X5 E53 E83 E46 E39 LCI Switch Unit Steering Column 8376445

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9136039

BMW E60 E63 Body Control Module ECU Control Unit 9136039

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6913896

BMW Z4 E85 E86 Aerial Antenna Amplifier Module Rod 6913896

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6927846

BMW E81 E87 E90 E91 E92 Suction Pipe Evaporator Compressor 6927846

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9286941

BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9286941

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6960803

BMW E65 E66 E67 Control Unit Voice Input System Module 6960803

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9264916

BMW E82 E88 E92 E93 LCI Control Unit Airbag ECU NO CRASH DATA 9264916

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9204545

Hands Free Bluetooth Module BMW E81 E87 E90 E91 Electronics MULF2 9204545

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6820931

Telematics Module BMW X1 F48 F20 F30 Bluetooth GPS Control Unit ECU 6820931

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9301309

Air Conditioning Unit BMW F20 F21 F30 F31 Control Unit A/C Module 9301309

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6855995

Control Unit Module BMW F20 F21 F22 F30 F31 ECU ICM Plus 6855995

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9362848-1

Telematics Module BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Unit 9342881

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7259883

Stop Lamp Cover BMW F30 F80 M3 Rear Third Stop Brake Lamp Trim 7259883

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9875929

BMW F20 F21 F22 F23 LCI DAB Navigation Head Control Unit Module Business 9875929

€170.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6864927

BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6864927

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8570676

BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675

€51.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9296494-1

BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9157156

Body Gateway Module BMW E60 E61 LCI E63 E64 ECU Control Unit 9157156

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7394466

BMW F10 F11 X5 F15 LCI F32 F33 Adblue Module Control Unit ECU SCR 7394466

€75.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9382417

BMW 1 2 3 5 F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Module 9382417

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6955925

BMW X5 E53 X3 E83 Control Unit Sliding Lifting Roof Panorama 6955925

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9210863

BMW X3 F25 Fuse Box Power Distribution Module Relay Unit 9210863

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9290013

BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 9290013

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7849627

BMW F80 M3 F82 M4 Engine Valvetronic Wiring Cable Loom Harness 7849627

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9326010

Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010

€70.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9384222

Body Module BMW X3 F25 X4 F26 Control Unit Junction Box JBBFE 3 9384222

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7239175

BMW 3 Series F30 F80 M3 Battery Cover Trunk Trim Panel Right Boot 7239175

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7634058

BMW F20 F30 Engine Automatic Gearbox Module Wiring Cable Loom Harness 7634058

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9365837

BMW F20 F21 F22 F30 F31 Head Unit Basic Media Headunit 9365837

€218.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9237655-2

BMW E60 E61 E81 E87 E90 F10 Audio Aux In Socket Plug 9237655

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6824386

Fuse Box Unit BMW F20 F22 F30 F32 Module ECU Control FEM 6824386

€89.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9212232

BMW F20 F22 F30 F31 AC Air Conditioning Pipe Hose Diesel 9212232

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7514610

Injection Valve Wiring BMW E60 E61 E65 N62 N62N Ignition Loom Harness 7514610

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6857701

BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6857701

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7428425

LED Module BMW F20 F21 LCI Headlight Front Lamp Headlamp 7428425

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7618677

Battery Lead Cable BMW E81 E84 E87 RR1 RR2 RR3 Negative IBS 7618677

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7488140

BMW F10 F20 F21 F30 F31 LCI SCR Control Module ECU Unit 7488140

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6906070

BMW X5 E53 Roof Antenna Amplifier Trap Circuit 6906070

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9301308

BMW F20 F21 F22 F30 Control Unit Air Conditioning System 9301308

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9284976

BMW F13 F12 F06 Dashboard Display Central Information Display Monitor 9284976

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9276036

BMW 5 Series F11 Touring Antenna Aeral Amplifier Diversity 868 MHZ 9276036

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9494391

BMW F20 F21 F22 F30 F44 F45 F46 Fuel Pump ECU Module Control Unit 9494391

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9253636

Air Module BMW F10 F11 F13 X3 F25 ECU Control Unit Controller 9253636

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7286050

BMW F20 Control Unit Module Wing Mirror Power Fold 7286050

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6966925

BMW E60 E90 Dashboard Onboard Monitor Display Screen 8.8" 6966925

€75.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6950093

BMW X5 Series E70 Flat Cable Wiring Wire CAS Start Stop 6950093

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9329704

BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9329704

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9281717

BMW X5 F15 Camera Kafas Front Windscreen Camera 9281717

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9322532

Gateway Module BMW F01 F10 F11 F12 Central Body Control 9244262

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6924389

BMW Z4 Series E85 E86 Battery Positive Cable Fuse Box B Base 6924389

€25.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6912817

BMW E46 Z4 E85 E86 Antenna Amplifier Diversity 6912817

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8577241

BMW F30 F32 LCI 330d 335dX 430d 435dX Alternator Starter Cable B+ 8577241

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8373946

BMW 3 Z4 Series E46 E85 E86 Cable Battery Negative

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6951079

BMW E60 525i 530i 545i Fuses Set Electrical Fuse 6951079 61146951079

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6938064

BMW E65 E66 E67 Amplifier Rear Window Antenna Amplifier Module 868MHZ

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8706502

BMW 1 3 4 Series F20 F21 F30 F31 Radio Remote Control Receiver 434 MHZ 8706502

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8065118

Differential Lock Module BMW F13 M6 F80 M3 Rear Axle Control Unit ECU 8065118

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9271216

BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9271216

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9223682

BMW X5 X6 Series E70 E71 Dashboard Onboard Monitor Display Screen 8,8" 9223682

€132.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6986077

BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6986077

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7410612

BMW F34 GT Tailgate Lift Module Rear Boot Trunk Lid Control Unit ECU F005V01708

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7537612

BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7492035

Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7492035

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9159794

BMW E93 Cabrio Air Module Control Unit Module ECU 9159794 65779159794

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9267205

BMW E91 Touring LCI ECU Body Control Module Junction Box H2 9267205

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9187533

BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

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