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.

More information

Make

BMW 1 3 Series E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936653

Product currently unavailable

Part no. 9247159

BMW F01 F02 LCI F07 GT Control Unit Module Voltage Transformer VSU400 9247159

Product currently unavailable

Part no. 9152262-1

BMW X5 X6 E70 E71 Front Impact Crash Sensor Module 9152262

Product currently unavailable

Part no. 9170453-1

BMW X5 E70 Footwell ECU Light Control Unit Module Xenon FRM II Lear 9170453

Product currently unavailable

Part no. 7823731

BMW E84 E90 E91 LCI 320xd N47 Cable Alternator Starter Base B

Product currently unavailable

Part no. 9134855-1

Battery Lead BMW E81 E87 Battery Cable Negative IBS 9134855 61129134855

Product currently unavailable

Part no. 7796818

BMW X5 E53 3.0d M57N Wiring Loom Harness Engine Automatic Gearbox

Product currently unavailable

Part no. 1138730-1

On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 1138730

Product currently unavailable

Part no. 7614896

Ignition Harness BMW F10 F12 F07 GT Petrol N63 Engine Ignition Wiring 7614896

Product currently unavailable

Part no. 9116542

BMW E39 X5 E53 X3 E83 PDC Parking Distance Control Unit Active Module 9116542

Product currently unavailable

Part no. 7501738

BMW X5 E53 3.0i M54 1,4KW Starter Motor 7501738

Product currently unavailable

Part no. 7842024

BMW 3 Series E90 E92 E93 M3 LCI Control Unit For Fuel Pump ECU 7842024

Product currently unavailable

Part no. 6908529

BMW 3 5 7 X5 Series E38 E39 E46 E53 GPS Navigation System Computer Unit 6908529

Product currently unavailable

Part no. 7439743

BMW 3 5 7 Series F30 LCI 330e G11 G30 Fuel Pump Control Unit Module 7439743

Product currently unavailable

Part no. 7542529-3

BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529

Product currently unavailable

Part no. 8610678-1

BMW X1 Series E84 20i N20 184HP ECU Engine Kit DME 8610678 CAS3 + Key Manual

Product currently unavailable

Part no. 9177784

BMW X5 E70 X6 E71 X6 E72 Map Fuse Box Grouping Diagram Card 9177784

Product currently unavailable

Part no. 9289118

BMW E81 E87 E90 E91 E92 LCI Radio CD Professional DAB Unit 9289118

Product currently unavailable

Part no. 9184207-1

BMW E90 E91 E92 E93 Negative Battery Cable Minus Pole 9184207

Product currently unavailable

Part no. 8578995

BMW F10 520d F20 120d F30 320d N47N 184HP Engine Unit ECU DDE 8578995

Product currently unavailable

Part no. 8489449-3

BMW F30 F31 LCI F32 320iX B48 184HP Engine Control ECU Kit DME 8489449 Automatic

Product currently unavailable

Part no. 9247467-1

BMW E92 LCI Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467

Product currently unavailable

Part no. 9348726-1

BMW F20 F21 F30 F31 Air Module Control Unit ECU 9348726 0285012518

Product currently unavailable

Part no. 9240530

BMW E90 LCI Footwell Light Control Module LCM LED Basis 9240530

Product currently unavailable

Part no. 8631725-1

BMW F22 F30 F32 220i 320i 420i Petrol N20 184HP ECU Kit DME 8631725 + Key + FEM

Product currently unavailable

Part no. 7621178-12

BMW E81 E87 LCI E90 N43 116i 316i 2.0 122 HP Engine Unit ECU DME 7621178 Manual

Product currently unavailable

Part no. 9226711

BMW E60 E87 E90 E91 Hands Free Electronics Charging MULF2 Module 9226711

Product currently unavailable

Part no. 8512499-4

BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Automatic

Product currently unavailable

Part no. 6943834

BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 6943834

Product currently unavailable

Part no. 8365326

BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168

Product currently unavailable

Part no. 6920035

BMW X5 E53 Fuse Box Label Trim Cover Panel Sticker 6920035

Product currently unavailable

Part no. 7579142-1

BMW E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7579142 CAS3 Key

Product currently unavailable

Part no. 9451484

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

Product currently unavailable

Part no. 8494843

Headlight Module BMW F83 M4 F33 LCi FLE2 Front Lights Right Left N/O/S 8494843

Product currently unavailable

Part no. 8636070

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

Product currently unavailable

Part no. 7848603

Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603

Product currently unavailable

Part no. 6826790

BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9387565

Product currently unavailable

Part no. 9324784-1

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR01 ECU 9324784

Product currently unavailable

Part no. 5B4E028

Remote Control Receiver BMW F70 X5 G05 G60 U06 Mini F65 Radio Module 5B4E028

Product currently unavailable

Part no. 6957342

BMW 5 6 Series E60 E63 On-board Navigation Display Monitor Screen 6,5" 6957342

Product currently unavailable

Part no. 9284422

BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid Plus 9284422

Product currently unavailable

Part no. 6946990-1

CD Changer BMW X5 E53 Z4 E85 6 Disc Control Unit Module With Magazine 6946990

Product currently unavailable

Part no. 6977766

BMW X5 E53 6-disc CD Changer Control Unit Module With Magazine 6977766

Product currently unavailable

Part no. 9249404

BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business Unit 9249404

Product currently unavailable

Part no. 6943284

BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943284

Product currently unavailable

Part no. 8518568

BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP Engine Control ECU DDE 8518568

Product currently unavailable

Part no. 7857786

BMW F09 F10 F12 F13 Differential Locking Module Control Unit ECU 7857786

Product currently unavailable

Part no. 9302159-1

Multimedia Player BMW X1 E84 E87 E90 E91 E92 LCI Radio Professional DAB 9302159

Product currently unavailable

Part no. 8506566-1

BMW 3 Series E90 E91 LCI 320d N47N 184HP ECU Kit DDE 8506566 CAS3 + Key Manual

Product currently unavailable

Part no. 5A5C313

BMW G20 G80 Rear Bumper PDC Parking Sensor Wiring Loom Harness Cable 5A5C313

Product currently unavailable

Part no. 8518269-8

BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Automatic

Product currently unavailable

Part no. 7803373-5

BMW X3 Series E83 2.0d Engine M47N2 150HP ECU Kit DDE 7803373 EWS3 + Key Manual

Product currently unavailable

Part no. 6944844

BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844

Product currently unavailable

Part no. 6943851

BMW 5 6 Series E60 E61 E63 E64 Control Unit CAS 2 Module 6943851

Product currently unavailable

Part no. 6938360

BMW 7 Series E65 E66 E67 Telephone Navigation Adapter 6938360

Product currently unavailable

Part no. 7809955-1

BMW E60 E90 E91 E92 LCI 335D 535d M57N2 Engine ECU KIT DDE 7809955 + CAS3 + Key

Product currently unavailable

Part no. 2154179

BMW 1 3 5 Series E60 E87 E90 E91 Cable Adapter iPod Connection 2154179

Product currently unavailable

Part no. 9197163

BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM II 9197163

Product currently unavailable

Part no. 9187903

CD Player BMW E60 E61 LCI E63 E64 Radio Stereo CHAMP Business Head Unit 9187903

Product currently unavailable

Part no. 8507949

BMW X3 F25 X4 F26 N57 Fuel Injection Line Wiring Loom Harness Cable 8507949

Product currently unavailable

Part no. 6957026

BMW E65 E66 Control unit power ECU module 6957026

Product currently unavailable

Part no. 6934610

BMW Z4 Series E85 Roadster Passenger Side Door Cable Harness Wiring 6934610

Product currently unavailable

Part no. 9286940

BMW 7 Series F01 LCI ECU Body Control Module Junction Box JBBFEIII V5 9286940

Product currently unavailable

Part no. 9150718

BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9150718

Product currently unavailable

Part no. 7557809-10

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

Product currently unavailable

Part no. 6953424-4

BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424

Product currently unavailable

Part no. 8379627

BMW 5 Series E39 Left N/S Air Box Pollen Microfilter Service Cover 8379627

Product currently unavailable

Part no. 9226331-1

BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331

Product currently unavailable

Part no. 6827064

BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064

Product currently unavailable

Part no. 9261614-1

BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier A83 Silver Set

Product currently unavailable

Part no. 7636292-1

BMW F20 F30 116i 316i N13 136HP Engine Control ECU Kit DME 7636292 Manual

Product currently unavailable

Part no. 7551559

BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559

Product currently unavailable

Part no. 9273187-1

Head Unit BMW E90 E91 Radio CD Player Navigation Sat Nav DAB Unit 9273187

Product currently unavailable

Part no. 6965046-1

CD Player BMW E60 E61 E63 M-ASK M-Audio Radio System Controller 6965046

Product currently unavailable

Part no. 9243212

BMW F10 Light Module Control Unit ECU Lear ZGW-02 Mid Plus 9243212

Product currently unavailable

Part no. 1729004

BMW 3 5 7 Series E34 E36 E38 E39 Relay Control Module Unit White 1729004

Product currently unavailable

Part no. 9292707

BMW X5 E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9292707

Product currently unavailable

Part no. 7802928

BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308

Product currently unavailable

Part no. 9258173-1

Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173

Product currently unavailable

Part no. 8606306-8

BMW F10 F11 F20 F30 320i 520i N20 184HP Engine Control ECU DME 8606306 Automatic

Product currently unavailable

Part no. 9154413

BMW E93 Convertible GPS Aerial Antenna Unit Module 9154413

Product currently unavailable

Part no. 9230451

BMW 1 Series E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451

Product currently unavailable

Part no. 7218339

Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump ECU 7218339

Product currently unavailable

Part no. 6980177-3

BMW E81 E87 E90 E91 F10 F11 X5 E70 Relay Unit Green Set TYCO 5 Pins 6980177

Product currently unavailable

Part no. 8377656

BMW X5 Series E53 Amplifier Trap Circuit 65258377656 8377656

Product currently unavailable

Part no. 9230448

BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9230448

Product currently unavailable

Part no. 9259358

BMW F10 F11 F30 F32 F33 Side Surround View Camera Control Unit Module 9259358

Product currently unavailable

Part no. 6918780

BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6918780

Product currently unavailable

Part no. 8645445-1

BMW F80 M3 F82 M4 S55 431 HP Engine Control Unit ECU DME 8645445 Dual Clutch

Product currently unavailable

Part no. 9382401

BMW F30 LCI 330e Hybrid High Voltage Electronics Unit Holder Support 9382401

Product currently unavailable

Part no. 6927025-1

Window Lifter Drive BMW E87 E90 E91 Motor Rear Left 6927025

Product currently unavailable

Part no. 6982401

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

Product currently unavailable

Part no. 7306797

BMW F30 F31 F32 Tailgate Smart Opener Control Unit Module 7306797

Product currently unavailable

Part no. 9252652

BMW F20 F21 F22 F30 F31 F32 Radio Remote Control Receiver 315 MHZ 9252651

Product currently unavailable

Part no. 9233010

BMW F10 Champ 2 Radio CD Player Head Unit ECU 9233010

Product currently unavailable

Part no. 7570299

BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7570299

Product currently unavailable

Part no. 9227184

BMW 1 Series E87 LCI ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9227184

Product currently unavailable

Part no. 6962296

BMW E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6962296

Product currently unavailable

Part no. 6989782

BMW 5 Series E61 Touring Positive Battery Cable Lead Plus Pole 6989782 9127768

Product currently unavailable

...

Showing 4060-4158 of 5853 products