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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Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7481616

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7561684-3

BMW E60 E90 330i 530i N52 258HP Engine ECU Kit DME 7561684 CAS2 Key Automatic

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8617551-3

BMW F30 F31 320i Petrol N20 184HP Engine ECU Kit DME 8617551 FEM Key Manual

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7545042

BMW 1 3 Series E87 E90 E91 N46 118i 318i 120i 320i ECU DME Control Unit 7545042

£180.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7791352

BMW X5 Series E53 3.0d M57N Cable Starter Base B 7791352 12427791352

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9223682

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

£113.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9239155

BMW F01 F10 CIC Professional Sat Nav Infotainment Radio Head Unit 9239155

£184.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9194064

Board Monitor BMW X5 X6 E70 E71 Sat Nav System Screen 8,8" 9194064

£113.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9187317

BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 9187317

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7618677

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

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9291451

BMW F13 Central Gateway Module ECU Control Unit Lear ZGW-02 High 9291451

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8387568

BMW 7 Series E65 E66 Battery B Engine Compartment Terminal Point 8387568

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8573257

BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Module ECU DDE 8573257 Manual

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7551559

BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7464634

BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6951674-AW

BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Alpine White 3 - 300 6951674

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9216275

BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9216275

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9282285

BMW X3 F25 Central Gateway Module Control Unit ECU 9282285

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8636070

BMW 3 F30 LCI 330e B48X Engine Gearbox Module Wiring Cable Loom Harness 8636070

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7799854-2

BMW 1 3 Series E87 E90 118d 318d M47N2 122HP ECU KIT DDE 7799854 CAS2 + 2 Keys

£237.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8375653

BMW 3 5 Series E39 E46 Positive Battery Terminal Cover Cap Red 8375653

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9393659

BMW F13 Central Gateway Control Lear Module Unit ECU 9393659

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9286953

BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9286953

£32.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9337200

BMW 4 Series F32 F32N LCI Cable Loom Door Driver's Side Wiring Harness 9337200

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6823593

BMW F13 Front Lamp Headlight Footwell Control Module FRM III 3 Unit ECU 6823593

£42.95

Free delivery: Jul 14

If paid before 14:00

Part no. 5A08530

Fuel Pump Control BMW G30 G12 Mini F60 Tank Function Module Unit ECU 5A08530

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8510221-3

BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key

£142.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8590102

Alternator Cable BMW 5 G30 G31 G12 B57 Battery Wiring Alternator B+ 8590102

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9280622

FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9280622

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6982401

BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC

£85.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6953424-2

BMW Z4 Series 2 E85 E86 Positive Battery Cable Plus Pole Lead 6953424

£32.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7342174

BMW X1 E84 Z4 E89 LED Xenon Headlight ECU Module 7342174 L90028076

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6989713-1

BMW E88 E89 E93 Convertible Cabrio DWA-Alarm System Module Set Of 2 6989713

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9367807

BMW X5 F15 Battery B+ Engine Compartment Positive Terminal Point 9367807

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9306220

Telematics Module BMW F10 F20 F30 F31 Bluetooth Teleservices GPS 9306220

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9157156

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

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 1388911-2

BMW E36 E38 E85 Mini R52 R57 4x Change-Over Contact Relay Violet Set 1388911

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9150889

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

£37.95

Free delivery: Jul 14

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

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7583740

BMW Z4 E89 Earth Battery Cable Wiring Loom Harness Line 7583740

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. rhd-7802181

BMW E81 E87 E90 E91 120d 320d N47 Wiring Harness Engine Gearbox Module 7802181

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9252812

BMW F10 F11 F01 Fuse Box Power Distribution Junction Relay Rear 9252812

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7823420

BMW E60 E87 E90 LCI N47 120d 320d 520d ECU Control Unit DDE 7823420

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8506281-2

BMW E87 LCI E90 116d 316d N47 Engine ECU KIT DDE 8506281 + CAS3 + Key Manual

£75.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6926445

BMW 5 Series E60 E61 LCI Heated Front Seat Control Module 6926445 9182128

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. rhd-7566549

Wiring Cable BMW E90 E91 E92 N53 Engine Gearbox Module Loom Harness 7566549

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9264571

BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359264571 9264571

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6926961-1

BMW E60 E61 X5 E70 X6 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6926961

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. rhd-9110212

BMW 3 X1 Series E84 E90 E91 Instrument Cluster Speedo Clocks Manual 9110212

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7311541

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

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 1388911-3

BMW E36 E38 E85 Mini R52 R57 5x Change-Over Contact Relay Violet Set 1388911

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9267419

BMW E90 LCI Body Control Module H1 61359267419 9267419

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8733501

BMW F20 F21 F31 F32 F87 Body Control Comfort Module Unit BCM 8733501

£66.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9266410

BMW X3 F25 X4 F26 Central Gateway Module Control Unit Lear ZGW-02 9266410

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8603352-4

BMW F20 114i N13 1.6 102HP Engine Control Unit ECU DME 8603352 Manual

£218.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9315150

BMW X3 F25 Front Distribution Box Fuse Box Power Control Unit 9315150

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6990089-1

BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8512500

BMW E81 E82 E87 LCI E88 123d N47S 204HP Engine Unit ECU DDE 8512500 Manual

£113.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9224950

BMW F30 Rear Bumper PDC Wiring Loom Harness Cables 9224950

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8517862-5

BMW F10 F20 F30 520d 120d 320d N47N 184HP Engine Unit ECU DDE 8517862 Automatic

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9312768

BMW F06 F07 F10 F11 Comfort Module Body Control Unit Module BCM Unit ECU 9312768

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7797496-1

BMW 1 3 Series 1 E87 E90 E91 M47N2 118d 318d ECU Kit DDE 7797496 CAS2 + Key

£237.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9166782-1

BMW X5 X6 E70 E71 Dashboard Navi Monitor Sat Nav System Screen 8,8" 9166782

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9171900

BMW X5 E70 X6 E71 Computer Control Unit DVD Player RSE MID PLUS PL4 9171900

£303.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8385164-2

BMW 7 Series 2 E65 E66 Battery B Engine Compartment Terminal Point 8385164

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9326026

BMW F30 F31 F32 PDC Wiring Front Bumper Cable Loom Harness 9326026

£104.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7540992-1

Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A C543294A

£94.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 8513157

Battery Electric Cable BMW F45 F48 Mini F56 F60 Alternator Starter Motor 8513157

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9293242

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

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6960096

BMW 7 Series E65 E66 Dashboard Control Display Screen 8,8" 6960096 6967626

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9210135

BMW F07 GT Rear Door Wiring Loom Cable Harness 9210135

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9261110

BMW F20 F21 F30 F31 Fuse Box Power Distribution Control Unit Box Rear 9261110

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9273584

Seat Belt Module BMW E92 F32 E61 Control Unit LCPA ECU 9273584

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8589141-5

BMW F30 B47 318d 150HP Engine Control Unit ECU DDE 8589141 + Key Automatic

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6833451-1

Navigation Head Unit BMW F06N F12N F13N F25 F26 Radio CD Player High 2 6833451

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9239323

BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8639595-4

BMW F30 328i F32 428i N20 245HP Engine Unit ECU Kit DME 8639595 Key + FEM

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8636069

BMW F20 F30 LCI B48 Engine Gearbox Module Wiring Cable Loom Harness 8636069

£75.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8639595-2

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

£379.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 9239985

BMW F10 F11 Control Unit ECU Module Airbag Safety Unit 9239985

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8578818

Fuse Box Cover BMW G30 G31 G11 G15 Holder Bracket Mount Housing Trim 8578818

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7807828-1

BMW E87 LCI E90 118d 318d N47 Diesel ECU DDE CAS3 Key 7807828 Automatic Gearbox

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7622911

BMW E82 M Coupe N54T 340HP Petrol Engine Control Module Unit ECU 7622911 Manual

£308.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9343686

Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 9343686

£32.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9128570

PDC Loom Cables BMW E81 E87N LCI Front Bumper Wiring Set 9128570

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9247474

BMW 1 Series E88 ECU Body Control Module H3 Junction Box PL2RR 9247474

£52.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6797439

BMW F07 GT ICM Management Control Unit Module DSC Brakes 6797439

£56.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9157158

BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157158

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7951069

KaFAS Camera BMW F45 Front Camera Control Unit Module 9384688

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6878191

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

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9393660

BMW F10 Central Gateway Module Control Unit Lear ZGW-02 4SK 9393660

£42.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6966925

BMW E60 E90 Dashboard Onboard Monitor Display Screen 8.8" 6966925

£66.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6911519

BMW E65 E66 E67 Wiper Switch Stalk Steering Column Wheel 6911519

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6907313

BMW E65 E66 Wiring Loom Cables Rear Bumper PDC 6907313

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9129439

BMW E61 E92 F32 LCPA Seat Belt Control Module ECU 9129439

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6898968

VDP Module BMW F90 M5 F91 M8 G01 G20 Front Suspension Level Control Unit 6898968

£113.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9380885

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

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9322122-1

Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9290804

BMW F20 F22 F30 F32 Module ECU Control Unit FEM Fuse Box 9290804

£56.95

Free delivery: Jul 14

If paid before 14:00

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