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 M-Audio CD Radio Player Head Unit Professional 9131710
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Alternator BMW M3 E46 Z3M E36 Petrol S54 Generator Valeo 120A 7831436 7830791
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Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981
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BMW 3 Series E46 1 Touring Rear Bumper PDC Cables Wiring Loom Set 8369503
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7809196 + EWS + Keys Automatic
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BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 Engine Control Unit ECU DDE 7810000
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Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 5-8 Loom Valve Ignition 7856775
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic
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BMW 7 E65 E66 Rear Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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BMW E46 Saloon Petrol Positive Battery Cable Plus Pole Lead Wiring 8373945
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BMW 3 5 X3 Series E46 E60 E65 E83 5 M54 Petrol Engine Starter Motor 2354693
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Navigation Monitor Screen BMW E60 E90 On-board Information Display 6,5" 6945661
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VDC Module BMW F01 F07 F10 F11 F12 Rear Suspension Level Control Unit 6866454
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BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9207075
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BMW 7 Series E65 E66 Cover Panel Lid Electronic Fuse Box 7526470
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BMW F20 F22 F23 Gearbox Transmission Module Harness Wiring Loom Cable 8586568
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Ultrasonic Sensor BMW F70 G60 U06 Rear Parking PDC Set Portimao Blue - C31
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Ventilation Valve BMW F90 M5 F91 M8 S63M Fuel Tank Pipe Cyl. 5-8 7852338
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BMW 5 7 Series E38 E39 E65 Navigation Sat Nav System DVD Player Japan 6925449
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BMW F20 F21 F30 F31 F32 N47N Diesel Alternator 175A 7823343 7823344
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BMW X3 E83 LCI 3 Instrument Cluster Speedo Clocks Diesel Manual 3448327
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BMW E46 GM V Body Control Unit Module Junction Box 6907657
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*BMW 1 3 Series E87 E90 M-Audio System Controller Navigation Business 6965047
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BMW E87 LCI E90 E91 118i 318i N43 143HP Engine Control ECU DME 7599881 Automatic
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BMW 5 Series E60 E61 Cable Door Rear Left Right N/O/S Wiring Harness 6966643
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BMW 7 E65 E66 Front Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual
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BMW F45 Alternator Generator 14V 180A DENSO 8680374
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BMW E39 X5 E53 Radio Business CD Audio Player Head Unit 6919066
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BMW 7 Series E65 E66 TV Function Video Module Control Unit Tuner 6933867
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BMW X3 F25 X4 F26 Integrated Supply Module 8645515
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BMW E65 E66 E67 Sensor A-pillar Right Airbag 65776920469 6920469
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BMW F34 Underfloor Battery Positive Cable Wiring Harness Lead 9308294
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Part no. 8513250-1
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS 4 + Key Manual
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BMW F07 GT Rear PDC Parking Distance Sensor Titan Silver - 354
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Gearbox Cable BMW F45 F46 F39 B48 Automatic Transmission Wiring Harness 8642585
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BMW G30 G31 B47 Diesel Glow Heater Plug Engine Wiring Loom Cable 8589786
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BMW 3 5 7 X5 E39 E46 E53 E65 GPS Receiver Control Unit Module Japan 6905921
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BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
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BMW F21 Door Wiring Front Passenger Door Loom Cables Harness F22 9340997
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BMW X5 E53 4.4i M62 286HP Engine ECU Kit DME 7512912 + EWS3 + Key Automatic
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BMW F07 Parking Module PDC Distance Control Unit Sensor Titan Silver - 354
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BMX X3 G01 X4 G02 Centre Console Wireless Charger Charging Device 5A17942
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BMW F10 F11 528i N53 258HP Engine Control Unit ECU DME 7614366 Automatic
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BMW X3 F25 X4 F26 B47 Diesel Engine Harness Wiring Loom Cable 8516262
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BMW F90 M5 F91 M8 Battery Cable Wire Lead Positive Alternator Starter B+ 7856817
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Engine Wiring BMW F10 F31 F32 N20 Loom Module Harness Cable 7641652
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BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM + Lock Manual
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BMW X3 E83 LCI 2.5Si N52N 218HP Engine Control Module ECU DME 7576670 Manual
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BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
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BMW E60 LCI E90 E91 325i 525i N54B30A ECU Kit DME CAS3 Key 7602118 Automatic
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BMW F10 F11 LCI F13 N63 N63N Petrol Water Pump Adapter Lead Cable Wiring 7601305
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BMW E60 E90 E91 N52 323i 523i 177HP Engine Control ECU DME 7555361 Automatic
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BMW X5 E53 Flap Radio Partition Mounting Part Cover Dashboard 8408783
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BMW 7 Series E65 E66 PDC Parking Ultrasonic Sensor Front Oxford Green 2 2241245
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BMW X3 G01 X4 G02 X5 G05 Battery Terminal Negative Cable Wire Wiring 8796289
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Battery Cable BMW F90 M5 F91 M8 Wire Lead Positive Alternator Starter B+ 7856819
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BMW E87 E90 LCI CIC Sat Nav Screen Navigation Professional 9222861
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BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Keys Manual
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Part no. 7614896
Ignition Harness BMW F10 F12 F07 GT Petrol N63 Engine Ignition Wiring 7614896
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Navigation Head Unit BMW E60 E61 CCC CD Professional System Controller 6974913
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Head Unit BMW X3 E83 Z4 E85 E86 Radio Business CD Player 6976888
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BMW X6 F16 Antenna Amplifier Aerial Diversity Booster Control Unit 9353217
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Part no. 8581788
BMW F45 X1 F48 Mini Cooper F55 F56 F60 Diesel Engine Starter Motor 8581788
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BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5" 3415007
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Part no. 7532140-4
BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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BMW Z4 E89 Roadster 18i N20 156HP ECU Kit DME CAS3 + Key 8631727 Manual
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BMW X5 X6 E70 E71 Navigation System Car Sat Nav Computer Head Unit CIC 9222855
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BMW F90 M5 A/C Air Conditioning HVAC Wiring Harness Loom 6996979
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BMW E81 E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7809001 + CAS3 Keys Manual
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BMW 1 3 E87 E90 E91 E92 M47N2 M57N2 Alternator Bosch Diesel 150A 0 986 080 580
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BMW F20 F30 F32 125d 325d 425d Engine Control Unit Diesel B47 ECU DDE 8589836
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BMW X5 E53 3.0d Diesel M57 Alternator 150V 7792092
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Part no. 6989396-1
BMW E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6989396
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BMW 7 Series E65 E66 E67 Cover Electronic Box Panel 1437931
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BMW E65 E66 Sensor B-pillar Right O/S Air Module Crash Sensor 6970895
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BMW F06 S65 Engine DME Basic Control Module Unit ECU PL6 JBBFE III 7838113
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Alternator Generator BMW F07 F10 N57N N57Z Diesel Engine 230A Valeo 8570672
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Boardmonitor BMW X3 E83 Central Information Display Screen 6,5" 3420851
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BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242
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Gearbox Cable BMW F90 M5 F91 M8 Engine Wiring Automatic Transmission 9882602
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BMW E46 X3 E83 Battery Cable Plus Pole Power Positive Wiring 6910542
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BMW F87 F80 F82 Audio Amplifier Harman Becker Active Sound Design System 6834091
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BMW X5 Series E53 4.4i Petrol M62 B44 448S2 Engine Wiring Loom Harness 1438902
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BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU Kit DME 7634297 Manual
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BMW E60 E90 N52 325i 525i ECU Kit Control Unit DME 7577968 CAS2 Key Automatic
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BMW E60 E61 E63 E64 CAS2 Control Module Unit ECU 6960978
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BMW Z4 E85 2.5i Engine M54 192HP Engine ECU Kit EWS3 + 2 Keys 7527072 Manual
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Transmission Wiring BMW F20 Petrol N55 Automatic Gearbox- Engine Harness 7599378
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BMW X5 F15 M50d N57X 381HP Engine Control Unit ECU DDE 8473191 Automatic
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Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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BMW F20 F30 F36 Front Electronic Module Control Unit FEM 9381102
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BMW F20 F21 114i N13 Engine ECU DME Kit FEM + Key 8614302 Manual Gearbox
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BMW F30 LCI 330e Petrol B48X Engine Control Unit ECU DME 8689762 Automatic
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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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 .