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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Reversing Camera Module BMW F10 F20 F30 Rear View Unit 9393953
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Radio Professional BMW E81 E82 E87 E88 E90 E91 E92 E93 Autoradio CD 9231928
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Mini One R50 W10 90HP Engine Control Unit ECU DME 7545789 Manual Transmission
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Audi Q7 4L Steering Column Lock Mechanism Control Unit Module ECU 4F0905852B
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BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576
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Mercedes A160 W169 M266.920 Engine Control Unit ECU A0024463140 Automatic
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MINI Cooper R50 W10 116HP Engine ECU Kit DME EWS Key 7545789 Automatic
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Renault Master III Contact Conector Male Sliding Doors 252160006R
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FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9348361
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Audi A7 4G 3.0 TDI Fuel Pump Sender Control Relay Module Unit ECU 4G0906093H
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BMW F25 F26 F15 F16 Audio Amplifier Harman Kardon Surround Sound System 9393182
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BMW 1 3 F20 F21 F30 F31 Parking Assistant PDC Control Unit Module 6851822
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ESP Module Mercedes W210 Electronic Stability Program Control Unit A0275455632
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BMW X1 E84 Parking Control Module Unit PDC ECU 9252637
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Alternator Citroen Berlingo Peugeot Partner Diesel 1.6 Hdi Alternator 9665580680
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Wiring Mercedes W176 W242 W246 C117 Petrol M270 Engine Harness Loom A2701501533
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Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 1K0959654
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Mini Cooper R56 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393
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Mini Cooper S R55 R56 R57 LCI N18 1.6 184HP ECU Control Unit DME 7613226 Manual
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BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 Control Unit CAS3 + Keys
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Battery Cable Mercedes W176 W246 Negative Harness Lead Terminal A2469069600
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BMW 7 Series 1 E65 E66 Battery B+ Engine Compartment Terminal Point 8385164
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BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Left N/S 6954129
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Volkswagen New Beetle Air Module Control Unit Sensor ECU 6Q0909605AL
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Vauxhall Astra H Corsa D Merriva B 1.7 CDTI Engine Starter Motor 8980147432
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Skoda Octavia II 2.0 TDI BKD Diesel Starter Motor 02E911023L
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9294300
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BMW E81 E87 E90 E91 LCI Professional CD Radio Bluetooth 9263468
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Audi A4 B8 Body Control Unit Basic Module BCM 8K0907063
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Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929
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BMW F80 M3 F82 F83 M4 S55 431HP Engine Unit Module ECU DME 8642252 Drivelogic
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Front Subwoofer BMW F90 M5 G11 G30 Central Right O/S Bass Speaker HiFi 6801076
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BMW F20 Alternator Engine Alternator Generator Denso 170A Petrol N55 7639661
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Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486
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VW Golf MK7 5G Audi A3 8V Engine Starter Motor Valeo 2.0 TDI Diesel 02M911024S
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Audi A4 B7 2.0 TDI Diesel Engine Control Unit ECU Module Manual 03G906016JD
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Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Kit DME + CAS3 + Key 8652746 Manual
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Telematics Module BMW F20 F30 Control Unit Bluetooth Combox ECU 9257151
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Mini R55 R56 R57 R60 Gearbox Module Control ECU Automatic Unit 7619713
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VW Golf Audi A3 8P 2.0 TDI Diesel Engine Starter Motor 02M911024G
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BMW E81 E87 E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Manual
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Peugeot 207 CD Player Radio Stereo Audio Head Unit 96639628XT00
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VW Volkswagen Golf 6 1.6 TDI Diesel Engine Starter Motor 022911024A
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MINI One D R50 W17 1ND Engine Wiring Loom Harness Module 7790365
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Audi A4 B7 Electronic Yaw Rate Sensor Module 4F0907637
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BMW 1 3 E87 E90 PDC Ultrasonic Sensor Front Rear Jerezschwarz A73 8046453
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AUDI A8 4E S8 D3 CD Changer Control Module 6 CD unit 4E0057110C
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BMW E46 Alternator Generator Diesel Engine M47N M57N 150A Lucas LRA02891
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Mini Cooper One R50 R52 Alternator Generator 100A Petrol 7523897
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Sam Module Mercedes S205 Relay Fuse Box Rear Control Module In Trunk A2059007437
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Keyless Module Mercedes W205 W213 C253 ECU Door Lock Control Unit A2229004213
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Volkswagen Touareg 3.0 TDI BKS 225HP Engine Control Unit ECU Kit 7L0907401F Key
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BMW F20 120d F30 320d F36 420d LCI B47 190HP Engine ECU DDE 8473185 Manual
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BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU Kit DME 7579142 CAS3 Key Manual
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Dashboard Monitor BMW F30 F31 Display Central Information Screen 6,5" 9270393
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Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
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Ford Transit Connect Control Unit Central Door Locking Module ECU 9T1T15K600ED
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PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009006713
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BMW F10 F11 LCI Active Sound Unit Control Module Design Amplifier 9289971
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BMW E90 Body Control Module BCM ECU Junction Box Footwell 6135 9176880
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BMW E84 20dX N47 177HP ECU Control Unit Kit DDE 8512498 Automatic Transmission
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Mini Cooper SD ALL 4 R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual Gearbox
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BMW 3 Series E46 Saloon Cable Door Rear Left Right N/O/S Wiring Harness 6913084
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Mini R56 Footwell Light Module High ECU Lear PL3 FRM II 3450979
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BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
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Audi A4 B7 A6 C6 Motor Starter Unit 2.0 TDI Diesel Engine 03G911023
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Display Screen Mercedes W176 W246 Central Information Dashboard Dash A2469016002
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Mini Cooper R50 R52 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Manual
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BMW F40 Telematics Control Module Unit TCU 5A872D1
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Land Rover Freelander 2 Air Module Control Unit ECU 6H52-14B321-AE
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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 .