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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Differential Locking Module BMW F90 M5 G20 Rear Axle Control Unit ECU 9454245

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. TSR-152

BMW E88 Cabrio Convertible Battery Control Unit Module ECU 12V TSR-152

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9231283-AZB

BMW E70 F10 F11 PDC Parking Sensor Ultrasonic Sensor Azurit Black - S34 9231283

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9157157

BMW E60 E61 E63 E64 Gateway Module Control Unit ECU 9157157

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 3449920

BMW X3 E83 LCI Adapter Lead Interior Lighting Rear Left Right N/O/S 3449920

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9153806

BMW F01 F02 Rear Heater Blower Motor Resistor 9153806

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6946108

BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 6946108

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8693213

BMW F30 LCI 330i B48X Engine Control 184HP 2.0 Petrol Hybrid Manual 8693213

€189.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8693213-1

BMW F30 LCI 330e B48X Engine Control Unit ECU Kit DME 8693213 FEM Key Automatic

€740.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8582803-3

BMW X5 F15 N57N 258HP Engine Control Module Unit ECU DDE Kit 8582803 Automatic

€218.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6900583-1

BMW 7 Series E65 E66 Cable Wire Power Distribution Box 6900583

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8734161

BMW G20 Power Distribution Rear Fuse Relay Box 330e B48X B48B20A 8734161

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7212594-3

BMW F10 F11 F25 Hands Free Microphone Grey 7212594

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6878191

Air Module BMW F01 F02 LCI F10 F11 F13 ECU ICM Control Unit 6878191

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6902265

BMW E65 E66 E67 Compact Base Support System Rear Black 6902265

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6809310

BMW F20 LCI F21 LCI F83 Telematics Communication Module Ecu Control Unit 6809310

€189.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9340524

BMW X3 F25 X4 F26 Central Gateway Module Control Unit Lear ZGW-02 4SK 9340524

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9337881

BMW 1 3 4 F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear 9337881

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7640755-8

BMW F20 116i N13 136HP ECU Module Unit Kit DME 7640755 Key + FEM + Lock Manual

€469.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7796127

BMW X5 X6 Series E70 E71 Diesel Battery Cable Starter-Base B+ 7796127

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7537612-1

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. 8601248

Earth Cable BMW i3 I01 Hybrid Electric Negative High Voltage Battery 8601248

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9231180

BMW F22 F30 F32 Antenna Amplifier AM FM Booster AMP 9231180

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8573257-1

BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8573257 Automatic

€142.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9273597

BMW F01 F10 F11 Audio Player Rear DVD Background ECE US Head Unit 9273597

€151.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6960221

Airbag Module BMW E65 E66 Sensor B-pillar Left N/S Control Unit Air Bag 6960221

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9265300

BMW 1 2 Series F20 F21 F22 F23 LCi Headlight Switch Control Element Light

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6916565

BMW 5 X5 Series E38 E39 E53 Hands-free Electronics Charging Module MOTOROLA

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8632554

Fuse Box Cover BMW X3 G01 X4 G02 Trim Panel Lid Housing Bracket 8632554

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7557809-10

BMW E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual

€151.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1543906

BMW G30 G31 X3 G01 X4 G02 G11 G32 Control Unit SAS Module ECU 1543906

€99.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9847111

BMW G30 SME BK2 Body Control Module Unit ECU 9847111

€189.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5A167A6

BMW G20 DAB Receiver Audio Module RP Sound System Amplifier Module 5A167A6

€189.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5A42CC4

BMW F40 F44 Alpine CD Sat Nav Head Unit High 3 5A42CC4

€332.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6781462

BMW E60 E61 Active Steering Dynamic Drive Control Unit ECU 6781462

€275.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8781328

BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 8781328

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9282424

BMW 3 5 Series F10 F30 Control Unit Module Top Rear Side View Camera 9282424

€89.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9274023

BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9274023

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8519005-1

BMW X1 E84 18dX Diesel N47N Engine Control Unit ECU Kit DDE 8519005 CAS3 Key

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1393415

BMW 3 5 7 Series E36 E38 E90 E91 F10 F11 Change-Over Contact Relay Grey 1393415

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9286952

BMW X3 F25 X4 F26 Central Gateway Control Module ECU Unit 9286952

€61.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7199894-3

BMW E90 E91 LCI Front Fog Light Wiring Harness Cable Plug Right O/S 7199894

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9211840

BMW F01 Wiring Loom Cable Harness 9211840

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9265835

Fuse Box Holder BMW X5 F15 X6 F16 Control Unit Module Bracket Carrier 9265835

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8585727

Wiring BMW F21 F30 F34 F36 Diesel N47N Engine Gearbox Module Harness 8585727

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9797876

BMW X1 U11 Battery Trim Cover Mount Bracket 9797876

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7311541

BMW 2 Series F22 F87 M2 Rear Third Stoplamp Stop Lamp Brake Light White 7311541

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9167202

BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167202

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9496820

Crash Sensor BMW G20 G26 G80 Front Door Left Right N/O/S Air Impact Unit 9496820

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7595179-16

BMW E81 E87 LCI E90 E91 Petrol N43 Engine Control Unit ECU DME 7595179 Automatic

€80.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9186571

BMW E90 LCI Wiring Loom Front Door Cable Wiring Harness Driver's Side 9186571

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9377149

BMW 1 3 Series F20 F21 F30 F31 Telematic Control Unit Module 9377149

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9296981

Battery Cable Mini F55 F56 BMW X2 F39 Diesel B37 Positive Cable Wiring 9296981

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 3402862

BMW X3 E83 LCi Earth Cable Flow Electric Battery Negative

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9396830

BMW F06 F12 F13 E63 Antenna Module Multi band Antenna GPS TEL Left N/S 9396830

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8576333-5

BMW F20 F30 120d 320d N47N 163HP Engine Control Unit ECU DDE 8576333 Manual

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2055408012

Mercedes W205 Battery Lead Negative Wire Earth Cable A2055408012

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9797818

BMW X1 U11 High-Voltage Accumulator Control Unit 9797818

€203.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8635811-1

BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables 8635811

€89.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6819653

BMW X5 F15 Fuse Box Front Body Control Module ECU BCM Unit 6819653

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9178791

BMW F01 F02 F10 F11 Cable Wiring Set ARS Valve Block 9178791

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5A3AF30

BMW F40 F44 DAB Audio Receiver Module Harman Becker 5A3AF30

€108.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6803169

Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 6803169

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9145172

BMW E90 E91 E92 E93 LCI Battery Bracket Lower Section Box 9145172

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9396828

Antenna Module BMW F06 F12 F13 E63 Rear Multi-band Antenna GPS TEL Right 9396828

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8576333-3

BMW F20 F30 F32 120dX 320dX 420dX Diesel N47N 184HP ECU Kit DDE 8576333 Key FEM

€275.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9459673-1

Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 9250421

€94.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8578945-2

BMW F20 F21 F30 F31 116d 316d N47N 116HP ECU Kit DDE 8578945 Key FEM Lock Manual

€341.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8584817

BMW G20 G21 G01 G02 Wiring Harness Engine Glow Plug Module 8584817

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9323417

BMW X5 F15 Door Wiring Harness Light Package Adapter Cable 9323417

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7541335-8

BMW X3 E83 M54 2.5i 192HP Engine Control Unit ECU DME 7541335 Manual

€237.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6956748

BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Tiefgruen Green A43 6956748

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6942551

BMW E87 E90 E91 Front Left N/S Seat Lordosis Pad Adapter Lead Wiring

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9232164

BMW X3 F25 Gateway Control Module Unit ECU 9232164

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8485064

BMW G20 LCI Starter Motor Positive Battery Cable B48B20A Petrol 8485064G20

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7456364

BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 7456364

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6938226

BMW 3 Series E90 E91 Cable Wiring Loom Rear Door Left Right 61126938226 6938249

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9315130

Door Wiring Harness BMW F25 Rear Left Right Door N/O/S Wiring Loom 9315130

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8571042

BMW X5 F15 Engine Wiring Harness Loom Wire Connector Cable 8571042

€332.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7948144

BMW F40 F44 Seat Occupancy Mat Control Unit Sensor 7948144

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9143439

BMW E81 E87 E90 E91 E92 6-disc CD Changer without Magazine 9143439

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9261614

BMW 1 2 Series F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier Silver

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6839355

BMW F44 Gran Coupe Antenna Amplifier Suppresion Filter 6839355

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9184810

BMW X6 E71 Wiring Set Wash Water Container Cable Loom 9184810

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6899320

BMW F40 F44 Steering Column Lock Control Module 6899320

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7075944-3

BMW E60 E65 E70 Front Right Seat O/S Height Adjustment Drive 7075944

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8574372-2

BMW F30 F32 330d 430d N57N Engine Control Unit ECU Kit DDE 8574372 Automatic

€161.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5A088E6-1

BMW F40 M135i xD B48 306HP Engine Control Unit ECU Kit DME 5A088E6 BDC Key

€731.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9176823

BMW X5 E70 Footwell Light Control Module Unit LEAR PL4 FRM II 9176823

€170.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8509757-1

BMW F07 530d F01 730d N57 245HP Engine ECU Kit DDE 8509757 CAS4 Key Automatic

€237.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9206936

BMW F12 Antenna Aerial Noise Suppression Filter Control Unit Right O/S 9206936

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8859307

BMW X1 U11 Control Module Unit ECU 8859307

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 0445684-3

HiFi Audio Retrofit BMW E81 E87 E90 E91 E92 Connector Cable Wire

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5A1CE34

BMW G20 330e B48X ECU Engine Control Unit Module 292HP 2.0 B48B20A 5A1CE34

Product currently unavailable

Part no. 8639595-2

BMW F30 320i F32 420i N20 184HP Engine ECU Control Unit DME 8639595 Automatic

€446.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9112463

BMW Z4 E46 E89 Mini R50 R52 Parking Control Module Unit PDC 9112463

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8578945

BMW F20 F30 116d 316d N47N 116HP ECU Engine Contol Unit DDE 8578945 Automatic

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8387541

BMW X5 E39 E53 Fuse Box Housing 8 Fold Voltage Regulator Boot 8387541

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

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