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 E90 E91 E92 N52N 325i 218HP ECU Kit DME 7574544 CAS3 + Key Manual
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BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Automatic
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BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8513250 Manual
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BMW E60 E61 E63 Professional CCC Navigation System Controller 9156230 DAMAGE
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Seat Wiring BMW X3 E83 Z4 E85 Loom Harness Passenger Side 7111902
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Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9310455
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BMW E92 E84 Telematics Module Bluetooth Combox Telematik Phone Module 9244199
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BMW 2 Series F23 Convertible Rear Tailgate Antenna Aerial AM/FM/TEL 6801167
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BMW 1 3 Series F20 F21 F30 F31 118d 318d N47N ECU Kit DDE 8579479 + Key + FEM
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KaFAS Camera BMW G30 G31 F90 M5 X3 G01 G11 Lane Assist Unit Module ECU 9472820
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BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Automatic
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BMW 7 SERIES E65 E66 E67 Loudspeaker Box Right O/S 6907646
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BMW E60 E90 320d 520d M47N2 Engine Control ECU Kit DDE 7803373 Keys CAS3
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BMW 12V Accumulator Battery 70Ah 570A 8381730
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BMW E87 116i E90 316i N45 116HP Engine ECU KIT DME 7557809 CAS2 2 Keys Manual
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Dashboard Screen BMW E60 E90 Dash Onboard Monitor Display 8.8" CCC 9145102
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BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 9187644
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BMW E81 E87 E90 E91 LCI 118d 318d N47 Diesel ECU KIT DDE 8506375 CAS3 + 2 Keys
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BMW E82 E88 Cabrio 125i N52N 218HP ECU Kit DME 7587164 CAS3 Key Manual
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BMW E90 E92 Steering Switch Cluster Column Indicator Wiper Stalk 9123041
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BMW X5 Series E53 Onboard Computer System Monitor Cassette Player 8378943
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BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 7633959 Twin-Clutch
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BMW E90 E91 LCI E92 Professional Navigation Sat Nav CIC Head Unit 9257187
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High Voltage Inverter BMW i3 I01 Electric 60Ah Electrical Machine Electronics
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BMW F20 F21 F30 F31 Fuel Pump Control Unit Module 7374942
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BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6921414
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PDC Wiring BMW E81 E82 E87 LCI E88 Front Bumper Loom Cables Set 9283693
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BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU KIT DME 8740344 FEM + Key
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BMW F20 125d F30 325d N47S1 218HP Engine Control Unit ECU DDE 8579785 Automatic
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BMW E60 E63 E64 E90 LCI Dashboard Dash Onboard Display Monitor Screen 8.8"
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BMW X3 Z4 E83 E85 CID Control Unit CD Player Radio Audio System 9197131
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BMW E90 LCI Footwell Light Module Control Unit ECU FRM3R LED PL2 9249085
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BMW 5 E60 E61 Front Door Wiring Loom Harness Passenger Side 6966555
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Key Reading Module BMW E60 E61 E81 E87 E90 E91 CAS 3 ECU Control Unit 9287535
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BMW E60 E61 535d M57N Engine Control ECU Kit DDE 7796678 + CAS2 + Key Automatic
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BMW E93 LCI ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9247474
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BMW E60 E90 325i 525i N53 218HP ECU Kit Control Unit DME 7588620 CAS3 Key Manual
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PDC Parking Sensor BMW F20 F30 F82 Ultrasonic Sensor Estoril Blue Metallic B45
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BMW E70 E90 E91 E92 DVB-T TV Tuner Module Control Unit Video FUBA 9240643
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BMW 3 Series E93 LCI Footwell Xenon Light Control Module Lear FRM3R PL2 9240528
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BMW 5 Series E60 E60N E61 E61N LCI Rollover Battery Protection 6927100
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BMW F20 F30 F45 LCI 118d 218d 318d B47 150HP Engine Control Unit ECU DDE 8473185
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BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8506434 Automatic
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BMW G30 Lid Boot Hatch Trunk Tailgate Smart Opener Control Unit Module 5A74F44
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BMW X5 E70 X6 E71 Junction Box Body Control Module Electronics Unit 9172367
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BMW X6 Series E71 ECU Body Control Module Junction Box PL4 9227172 61359227172
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Parking Brake Module BMW F10 M5 F12 F13 M6 Control Unit Lock Module 2284105
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BMW E87 E90 E91 E92 E93 Diesel Alternator Valeo 150A Diesel 7790548
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BMW E81 E84 E87 E90 LCI 18d 118d 318d N47 ECU Kit DDE 8506434 CAS3 Key Automatic
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BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor 7638193
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BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Radio Professional CD BMW E81 E82 E87 E88 E90 E91 E92 E93 Audio Player 9283702
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BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8638198 Automatic
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Engine Wiring BMW F80 M3 F82 F83 M4 S55 Loom Module Harness Cable 7848467
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BMW E90 E91 E92 335i N54 306HP Petrol Engine Control Unit DME 7583332 Automatic
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BMW F45 Mini F55 F56 Head Unit Basic Media DAB Headunit 9381320
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BMW F30 Body Control Module Unit ECU 6824384
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BMW 5 Series E60 E61 Radio M-ASK M-Audio System Controller CD Player 6955348
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Part no. 6945144
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945144
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Part no. 7501593
BMW 3 5 X5 Series E39 E46 E53 3.0i M54 Generator Alternator 120A VALEO 7501593
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BMW 1 2 3 4 Series F20 F22 F30 F32 Module ECU Control Unit FEM Fuse Box 9324785
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BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490
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BMW 5 Series E60 E61 530d M57N 218HP ECU Kit DDE 7796637 + CAS2 + Key Manual
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BMW E90 E91 LCI 318d N47N 143HP ECU Engine Control Unit DDE 8507202 Manual
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BMW F32 Harman Head Unit Sat Navi Multimedia Radio CD Player 8718144
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Telematics Control Unit BMW F20 F21 F23 F30 F31 F32 Module ATM ECE 3G 2447802
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BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9170717
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BMW E81 E87 E90 E91 PDC Parking Sensor Front Rear Mineralgrau Mineral Gray B39
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BMW X3 F25 Light Module Control Footwell Lightning ECU Unit FRM3 9286157
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Front Seat Module BMW E87 E90 E91 E92 Control Unit ECU 6926359
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BMW 1 3 Series E82 E90 E92 Switch Cluster Cruise Control Stalk Unit 6965263
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BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Automatic
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BMW 7 Series E65 E66 735i 745i Petrol N62 Engine Wiring Loom Harness 7520804
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BMW 1 3 5 Series E60 E81 E87 LCI E90 Hands-free Bluetooth Module High MULF2
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BMW E65 Antenna Amplifier Rear Window Antenna 868MHZ 9167132
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BMW X3 G01 ECU Body Control Module Unit 8725623
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BMW E87 LCI E90 118i 318i Petrol ECU Engine Control Kit N43 DME 7579142 CAS3 Key
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BMW E60 E90 330i 530i N52 258HP ECU Kit DME 7553166 + CAS2 + Key Automatic
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BMW E60 530i M54 231HP Engine Control ECU Kit DME 7541335 CAS2 Key Automatic
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BMW X2 F39 Mini F55 F56 F60 Radio Navigation Head Unit Media DAB 5A25D20
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BMW F20 F21 LCI 118d Diesel B47 150HP ECU Control Unit Module DDE 8475350 Manual
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Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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BMW E60 M5 E63 E64 M6 S85 Starter Motor 7835126
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BMW Varta VRLA / AGM 12V Accumulator Battery 80Ah 800A 7555718
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BMW X5 Series E53 HiFi Audio System DSP Amplifier Module Unit Lear 6933875
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BMW 3 E90 LCI Max Brose Footwell Light Module Control Unit ECU FRM2 PL 9204540
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Head Unit BMW F20 F21 F22 F30 F31 LCI Radio CD Player Navigation GPS 9441865
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Part no. 7612455-1
BMW E90 E91 LCI E92 E93 325i N53 218HP ECU Kit DME CAS3 + Key 7612455 Manual
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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 .