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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Earth Ground Cable BMW F10 N47N Diesel Battery Cable Engine Wiring 8517616

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8716588

BMW G20 G21 G28 Door Wiring Loom Front Driver's Side 8716588

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9379845

BMW X3 F25 X4 F26 Door Wiring Loom Harness Cable Passenger's Side 9379834

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8590019

BMW G30 G31 Engine Wiring Harness Supply Line Cable 530d B57 Diesel 8590019

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6938664

BMW E65 E66 Control Unit Front Centre Console Module 6938664

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6824129

Inverter Wiring BMW F45 Mini F60 Hybrid High Voltage Battery Cable Loom 6824129

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8582280-12

BMW F20 F21 116d N47N 117HP Engine Control ECU Kit DDE 8582280 Manual

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6957913

BMW Z4 E85 Fuse Box Modue Unit Bracket Mount Holder Retainer Support 6957913

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9337183

BMW F32 Boot Trunk Tailgate Wiring Loom Harness Cable Wire 9337183

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9119578-1

BMW Z4 E85 E86 Antenna Amplifier Rod Antenna Control Unit Module 9119578

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9855653

BMW F40 F74 F78 Power Distribution Box Mount Bracket Holder 9855653

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9200944

BMW 3 X1 E84 E91 Ultra Sonic Burglar Alarm System Sensor Module 9200944

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8707752

BMW F20 F32 FEM Control Module Unit ECU 8707752

€203.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8621500

BMW F20 F21 F30 LCI Petrol N13 N20 Cable Alternator Starter Base B+ 8621500

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A088E1

BMW F40 Engine Control Unit Module ECU B38A15A 1.5 Petrol 140HP Manual 5A088E1

€132.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A4A7B1

BMW G20 G21 LCI Rear Door Wiring Loom Harness Cable Left Right N/O/S 5A4A7B1

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6928945

BMW X3 Series E83 E83 LCI B Terminal Point Luggage Compartment 6928945

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6821408

High Voltage Cable BMW F45 Mini F60 Harness Wiring 6821408

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9287265

BMW F10 M5 Active Sound Unit Control Module Design Amplifier 9287265

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6842527

BMW G20 Battery Terminal Voltage Distribution Box 400W MID 6842527

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2354701

BMW E60 E65 E70 E81 E87 E90 F10 Engine Starter Motor 2354701

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7300268-2

Rear Lamp BMW F01 F02 LCI Saloon Light Side Panel Right O/S Harness Wire 7300268

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8516753-1

BMW F01 730d F07 530d N57 245HP Engine Unit ECU Kit DDE 8516753 Automatic

€180.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9261095

BMW 7 Series F01 F02 LCI Antenna Aerial Noise Suppression Filter 9261095

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8599189

BMW G11 740d B57 xDrive 320HP Engine Control Module ECU DDE 8599189 Automatic

€256.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9353270

BMW G11 G12 Trunk Bracket Holder Audio Boot Amplifier Mounting Mount 9353270

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9393951

BMW F07 GT X3 F25 Rear View Camera ECU Control Unit Module 9393951

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8652443

BMW F45 Wiring Harness Motor Sensor System Module 8652443

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9252010

BMW X5 X6 F15 F16 Rear Seat Heating Switch Button Panel Cover 9252010

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7176068-1

BMW E46 E63 X3 E83 MINI R50 R53 Control Unit Xenon Light 1307329082

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6812217

BMW X1 F48 Cable Loom Door Rear Left Right N/O/S Wiring Harness 6840095

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8507912

BMW F30 F31 Engine Wiring Loom N47N Harness Automatic Gearbox 7549282

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7555361-11

BMW E91 325i N52 Engine Control Unit ECU 218HP Automatic 2.5 Petrol 7555361 KIT

€237.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9319918

Adapter Lead Wire BMW F45 F46 X1 F48 Cable Active Air Flap Control 9319918

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8571349

BMW F20 F21 F30 LCI F22 F32 G30 X3 F25 Starter Acoustic Vibration Plug 8571349

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7534921-1

BMW 3 X3 Z4 Series E46 E83 E85 Engine Control Unit Box Bottom Part 7534921

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9292350

Battery Terminal Cover BMW X3 F25 X5 F15 Trim Panel Base B + Positive 9292350

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8582719-7

BMW F10 B47 520d 190HP Diesel Engine ECU Kit Set DDE 8582719 Automatic

€279.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9296149-1

BMW F23 F30 Ignition Control Unit Module Distributor Base External 9296149

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7641661-1

BMW F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8506657

BMW X3 F25 Starter Motor Diesel Engine 12V Bosch 8506657

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7856771

Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 1-4 Loom Valve Ignition 7856771

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8366282-1

BMW Z1 Z3 E32 E36 E38 E46 X5 E53 Connection Plug Golden Brown Set x2 8366282

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1436340

BMW E36 E46 Engine Bay Battery Cable Guide 1436340

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9168328

BMW X1 E84 Aerial Antenna Amplifier Control Unit Module 315 MHZ ECU 9168328

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6968651

BMW 3 Series E93 Cabrio Rear Left N/S Aerial Antenna Unit AM/FM 6968651

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8506199-6

BMW E61 LCI Engine Control Unit ECU N47 2.0 Diesel 177HP Manual 8506199 Set

€284.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7801216-1

BMW X3 E83 2.0d 150HP M47N2 Diesel Engine Control ECU DDE Kit 7801216 Manual

€398.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7605478

BMW 1 3 Z4 Series F20 F30 E89 Petrol Alternator 170A 7605478

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8571350

BMW 1 5 Series F10 F11 F20 F21 LCI B47 Starter Acoustic Vibration Plug 8571350

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6964263

BMW 3 Series E93 E93N Cabrio Module Bracket Holder CTM 6964263

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8507915

Engine Wiring BMW F20 F30 N47S1 EU5 Loom Module Harness Cable 8507915

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7300272-2

BMW F01 Rear Tail Light Wiring Harness Cable Plug Right O/S 7300272

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 35962

BMW X3 Series E53 E83 iPod Interface Retrofit Connection Module 0035962

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8510221-13

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

€132.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6932006

BMW 5 6 Series 1 E60 E61 E63 E64 Battery Cable Holder Mounting B Base 6932006

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5B39BC7

BMW U06 Active Tourer U11 Parking Assistance Module Control PDC Unit 5B39BC7

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7805585

BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU DDE 7805585 Automatic

€246.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9393144

BMW G11 G30 Fuse Box Power Distribution Electrical Control Unit Box Rear 9393144

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6984754-12

BMW E92 Coupe Rear Lamp Light Side Panel Right O/S Plug Socket Wiring 6984754

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9322902

Battery Lead BMW i3 I01 60Ah Negative IBS Battery Lead Cable Wiring 9322902

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9183373

Bluetooth Module BMW E81 E87 E90 E91 Hands Free High MULF2 Harman Becker 9183373

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8714480

BMW 1 F40 Door Loom Rear Right O/S 8714480

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7581848

BMW E81 E87 LCI E90 116i 316i N45N 116HP Engine ECU Unit DME 7581848 Manual

€208.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8513249

BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513249 Automatic

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3401995

BMW X3 Series E83 M57N2 3.0d Diesel Cable Alternator-Starter-Base B 3401995

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7808074-1

BMW E70 LCI F10 Alternator Generator Engine 180A Valeo N57 Diesel 7808074

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8714406

BMW F40 Front Door Electric Wire Harness Loom Passenger Side 8714406

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8647255

BMW F20 LCI F21 F22 Integrated Supply Control Module Unit 8647255

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8574372

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

€189.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3413934-2

BMW X3 E83 Rear Bumper Wiring Loom PDC Harness 1452049

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8678863-1

BMW F20 118i F30 318i LCI B38 136HP Engine Control KIT ECU DME 8678863 Manual

€474.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9163149

BMW E60 E61 Door Wiring Harness Loom Cable Rear Left Right N/O/S 9163149

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9873892

BMW G20 G21 G22 G29 Air Module Control Unit ECU ACSM5 9873892

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7634057

BMW 3 4 Series F30 F31 F32 N20 Engine Gearbox Module Wiring Loom Harness

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7842202

BMW X5 E70 LCI Front Door Audio System Wire Harness Left Right N/O/S 7842202

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9389560

Aerial Trap Circuit BMW G30 X3 G01 Antenna Amplifier Module Control Unit 9389560

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A6C4F8

BMW F74 Gran Coupé 48V Battery Positive Cover Trim Panel Cap 5A6C4F8

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7612620

BMW F10 F20 F21 F87 M2 Protective Cap B+ Cover Top Panel 7612620

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8586568

BMW F20 F22 F23 Gearbox Transmission Module Harness Wiring Loom Cable 8586568

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6957762

BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6957762

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6807324

BMW G30 G31 M5 F90 Positive Battery Cable Underfloor Wiring Loom 6807324

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A74B11

BMW G60 G68 G70 U06 X2 U10 X1 U11 Tailgate Lift Control Module ECU 5A74B11

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6842256

BMW X2 F39 F45 X1 F48 Active Gran Tourer Air Module ECU Control Unit 6842256

€218.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A5D069

BMW U06 X1 U11 Electric Auxiliary Heater Wiring Harness Ground Cable 5A5D069

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9385026-1

BMW F01 F07 LCI F10 F11 F25 Air Module Control Unit ECU 9385026

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8781451-1

BMW F21 Body Control Module V11 Max FEM ECU Control 2.0 Diesel Manual 8781451

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9383709

BMW X5 F15 X6 F16 M Sport Fuse Box Body Control Module BCM ECU Unit 9383709

€161.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7948147

BMW F40 F44 Rear Seat Bench Occupancy Mat Control Unit Sensor 7948147

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3413934-1

BMW X3 E83 Rear Bumper Wiring Loom PDC Harness 3413934

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9339192

BMW F45 F46 Battery Cable Positive Wire Lead Terminal 9339192

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6925642

BMW 5 6 Series E60 E61 E63 Reserve Fuse Carrier Housing 6925642

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5B92741

BMW F74 X2 U10 Music Navi CD Radio Player Head Multimedia Unit 5B92741

€512.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6948577

BMW E60 Light Control Unit Module LM E6X MAN.LWR Lear 6948577

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9268706-1

BMW F01 F02 F04 F10 Rear Compartment Monitor Left Right N/O/S 9,2" Black 9268706

€474.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9241974

Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9241974

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6860827

BMW F20 F21 F22 F23 F30 F31 Park Assist Control Module Unit PDC 6860827

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6832062

BMW F10 F13 X3 F25 Wireless Charger Centre Console Phone Charging Module 6832062

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8168035-1

BMW E60 Trunk Open Cable Boot Lid Tailgate Release Wiring 8360676

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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