Automotive electrical systems
More informationAt 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 E60 E61 MINI R50 Rear Bumper PDC Ultrasonic Sensor Hyper Blue
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BMW E87 E90 E91 Power Distribution Fuse Box Front 6906613
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BMW X3 M F97 X4 M F98 S58 Actuator Drive Exhaust Flap Motor 8746829
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BMW X3 Series E83 Cover Positive B Battery Terminal Point Case 8371011
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BMW E60 E63 E64 LCI Body module ECU 61356943062 6943062
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM III W / MAN. LWR 6905874
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BMW 3 5 X5 Series E39 E46 E53 3.0i M54 Generator Alternator 120A VALEO 7501593
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BMW 1 F20 F21 LCI 116d B37 Engine Gearbox Module Wiring Cable Loom 8586574
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BMW E60 E63 E65 Adaptive Light Control Unit Module LM E6X AHL 9203082
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BMW 5 7 Series E39 E38 Saloon Aerial Radio Antenna Diversity Amplifier 8378090
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BMW E60 E61 Driver's Side Door Air Module Control Unit Module 6976157
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BMW F20 F21 F30 F31 LCI 116i 118i 318i B38 Petrol Engine Starter Motor 8570849
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BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
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BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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BMW E87 E90 E92 Seat Wiring Cable Front Right O/S Heating Loom Harness 9131643
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PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 7938196
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BMW 3 Series E46 Relay Control Unit Module Bracket Holder 61358371312 8371312
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BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6942638
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Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004
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BMW E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6962296
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BMW X3 E83 LCI Map Card Fuse Box Grouping Diagram 3450247
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BMW E60 E90 Dashboard Onboard Monitor Display Screen 8.8" 6966925
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BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional Autoradio CD 9187108
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BMW X5 E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9292707
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BMW F90 M5 F92 M8 G11 G15 G20 G29 G30 G32 Fuel Pump Control Unit Module 7461741
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BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9224673
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BMW F20 F21 Radio BMW Professional CD DAB Player Controller F21 F22 F30 9331211
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BMW Z4 Series E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 Cigarette Lighter Socket 6973036
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
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Navigation System BMW X3 E83 Z4 E85 Mini R50 R52 DVD GPS Computer Unit
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BMW Z4 Series E85 Hifi System Amplifier Speaker System Unit 6929689
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BMW X5 E53 X3 E83 Control Unit Xenon Adaptive Headlight Ballast 6939069
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Alarm Power Siren Horn BMW E36 E38 E39 E46 E53 E83 Alarm System Unit 8383152
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BMW 7 Series E65 Battery Cable Plus Pole 6926795 61126926795
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BMW E34 E36 E39 E46 Starter Motor 1,4KW BOSCH 1740374
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BMW 5 Series E60 E61 Wiring Drivers Side Loom Door Cables Front Right O/S
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BMW E65 E66 CD Audio System Controller Player 9130764
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BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168
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BMW E81 E87 E90 MULF Hands Free Electronics Charging Module 9116725
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Headlight Module BMW F06 F12 F13 Xenon Headlamp Control Unit AHL 7316211
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BMW 3 5 7 X5 E38 E39 E46 E53 M54 Engine Generator Alternator 120A
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BMW 5 Series E60 Seat Control Unit Module Left Right N/O/S Temic 6927270
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BMW 1 Series E81 NSW ECU Light Module Footwell Module PL2 FRM II 9175650
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BMW E39 E46 E60 E65 X3 E83 M54 Petrol Starter Motor 7515392
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BMW X1 Series E84 Rear Bumper PDC Cables Wiring Loom Set 9230404
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BMW F10 F20 F30 F31 Body Module Control Unit FEM 9303546
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Part no. 9891562
Seat module BMW G11 G20 G30 G01 G02 Seat Control Unit Module ECU 9891562
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BMW X3 Series E83 E83N LCI Solar Sun Light Sensor 3404975
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BMW E90 ECU Body Control Module ECU H1 61359134479 9134479
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BMW X5 E53 E60 E65 Integrated Relay Power Supply Module 7510638
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Part no. 7555926
BMW E81 E90 E91 E60 LCI Petrol Alternator Generator 180A 7550968
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BMW 1 Series E81 E87 LCI Positive Battery Lead Distribution Box Cable Rear
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BMW X3 E83 Light Control Unit Module LEAR LM II LWR 3451625
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Door Cable BMW E65 Loom Rear Right O/S Wiring Harness 6950349
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Engine Wiring BMW F20 F30 LCI 118d 318d 120d 320d B47 Loom Harness Cable 8595284
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BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9394669
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Seat Module BMW E60 E61 E65 E66 Front Seat Control Unit Module ECU 6927312
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BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 9117532
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Part no. 7788680-4
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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Part no. 9286887
BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU Lear FRM PL2 9286887
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Part no. 6936096
BMW 3 X3 X5 Series E46 E53 E83 Navigation System Video Module Unit
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Part no. 6928366
PDC Wiring BMW E60 E61 Rear Bumper Loom Cables Set 6928366
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Part no. 6814611
BMW 1 3 5 F10 F20 F30 Can Bus Interface Data Terminating Resistor 586509
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Part no. 9252816
BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Part no. 9118469
BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469
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Part no. 6941592
BMW 5 E60 Light Control Module Unit Lear LME6X MAN LWR LCM Delphi 6941592
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Part no. 2354693-5
BMW 3 5 X3 Series E46 E60 E65 E83 5 M54 Petrol Engine Starter Motor 2354693
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945144
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BMW Z4 E85 2.2i 2.5i 3.0i M54 Wiring Loom Harness Engine Module 7532036
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BMW E60 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Part no. 8733501
BMW F20 F21 F31 F32 F87 Body Control Comfort Module Unit BCM 8733501
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Part no. 9123091
BMW 1 3 Series E87 E90 E92 Navigation System Car Computer CCC 6955786
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BMW E60 E87 E90 Telematics Bluetooth Control Unit Module ECU 9174261
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BMW E60 Light Control Unit Module LME6X MAN.LWR Lear 6962723
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Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM3R VDM 6801294
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BMW X3 E46 E83 Navigation Computer GPS System DVD Player Unit 6971353
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7595179 CAS3 + Key Manual
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BMW F20 F21 F30 F32 N55 Power Distribution Module Bracket Cover Carrier 8620771
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Headlight Module BMW F36 Headlamp Control Unit FLE2 MAX 7429125
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Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Plus Unit 6879835
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BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module Unit 9119359
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Headlight Ballast Control BMW F06 F12 F13 F15 F16 LED Adaptive Module 7316210
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BMW 3 Series E90 E91 LCI N47N 320d ECU Basic DDE Control Unit 8512047 Manual
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BMW X1 E84 Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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BMW F07 F10 F11 F12 Diesel N57 Engine Wiring Injection Wiring Harness 8583575
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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BMW X4 F98 G02 Active Sound Design Module Control Unit Harman Kardon 9835622
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GPS Navigation BMW E81 E90 LCI Business System Car Infotaiment Computer CIC
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BMW 1 Series e87 ECU BODY CONTROL MODULE H2 61359131778 9131778
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BMW X3 Z4 Series E83 E85 E86 Base B Positive Battery Terminal Cover Compartmen
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BMW E36 E38 E85 Mini R52 R57 4x Change-Over Contact Relay Violet Set 1388911
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BMW F10 F11 F01 LCI Central Gateway Module ECU Control Unit LEAR ZGW-02 9291449
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Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .