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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Mercedes W205 Diesel OM651 Engine Starter Motor Actuator Bosch A6519064300
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BMW X5 F15 X6 F16 30dX N57N 258HP Engine ECU Kit DDE 8586540 BDC Key Automatic
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Citroen Relay 2.2 HDI Engine Starter Motor Diesel 9826048080
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BMW F20 F30 F32 120i 320i 420i N20 184HP ECU Kit DME 8610635 + Key + FEM Manual
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BMW F20 F21 114i N13 102HP Engine Unit ECU Kit DME 7640755 Key FEM Lock Manual
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Ford Fiesta MK7 Display Screen Multifunction Radio Dashboard 8A6118B955BL
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VW Volkswagen Sharan Front Door Left Right N/O/S Speaker Loudspeaker 7N0035454A
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BMW 1 Series E81 Body Control Module L2 PL2RR JBBFE IIIR 61359267201 9267201
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Audi A4 B7 Window Antenna Amplifier Module 8E5035225D
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BMW 7 Series E65 E66 Rear Seat Wiring Cable Electrical System 6913246
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BMW E60 E61 535d M57N Engine Control ECU Kit DDE 7796678 CAS2 2 Keys Automatic
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BMW 7 Series E65 E66 E67 Cover Electronic Box Panel 1437931
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BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452223
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AUDI A8 4E S8 D3 CD Changer Control Module 6 CD unit 4E0057110C
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BMW E60 Light Control Unit Module LEAR LM E6X LWR 6943283
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BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494
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BMW E46 Control Unit Module Mirror Memory 6916054 61356916054
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BMW 5 7 Series E39 E38 Saloon Aerial Radio Antenna Diversity Amplifier 8378090
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BMW F10 F11 LCI Electric Parking Brake Control Unit EMF Module 6863277
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Audi Q5 8R 2.0 TDI Alternator Generator 14V 180A Valeo 03L903016A
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Mercedes-Benz W245 Front Bumper Parking Distance Sensor Parktronic Kosmos Black
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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Mercedes W211 SAM Module Fuse Box Relay Control Unit A2115456101
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BMW 1 Series E81 NSW ECU Light Module Footwell Module PL2 FRM II 9175650
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BMW 1 F20 F21 LCI 116d B37 Engine Gearbox Module Wiring Cable Loom 8586574
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BMW E60 E61 E63 E64 Power Distribution Fuse Relay Box Rear 6906588
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BMW E60 E87 E90 E91 120d 320d 520d M47N2 ECU Kit DDE 7798180 CAS2 + Key Manual
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BMW E87 LCI E90 N43 116i 118i 320i DME Engine Control Unit 7583225
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Fuel Pump Module BMW F10 M5 F80 M3 Fuel Pump Control Unit 7398495
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BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022065
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Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Manual
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Audi A3 8P PDC Parking Distance Control Sensor Module Unit ECU 8P0919283D
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BMW Mini Cooper 9 R55 R56 R57 N12 1.6 ECU Kit DME CAS 3 Key 7600020
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BMW 3 Series E90 E91 E92 M3 Engine Alternator Generator Valeo 180A 7838656
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BMW 3 X5 Series E46 E53 M54 Automatic Gearbox Basic Control Unit EGS 7508145
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Engine Control Unit BMW F10 F30 320d 520d N47N 184HP ECU DDE 8518423 Manual
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Mercedes W176 W246 Rear Boot Lid Tailgate Antenna Booster Amplifier
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Fiat Doblo Engine Wiring Loom Cable Harness 55230143
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Mini F55 F56 Roof Antenna AM FM GPS TEL 8782591 65208782591
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BMW E60 E90 E91 N52 325i 525i 218HP ECU Kit DME 7567178 CAS3 + Key Automatic
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Audi A5 F5 Sat Navi MMI Multimedia Radio SD Reader Head Unit Harman 8W5035035C
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BMW E93 ECU Body Control Module H3 Junction Box 9187541
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BMW X5 E53 X3 E83 Control Unit Sliding Lifting Roof Panorama 6955925
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Audi A4 B8 A5 8T Front Lamp Headlight Range Control Module 8K5907357B
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Fuse Box BMW F40 Mini F55 F56 Power Distribution Junction Relay Unit 9270356
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Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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Audio Amplifier Mercedes W211 Audio Gateway Control Unit Module A2118702489
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Part no. 7585946
Mini Cooper R56 Engine N12 Wiring Loom Harness Injection Valve Ignition 7585946
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Mercedes-Benz C CLK Class W203 C209 Fuse Box Cover Engine A2035450403
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BMW 1 Series F20 F21 LCI 116d 116ed B37 Diesel Engine Starter Motor 8572918
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BMW 1 2 Series F20 F21 F22 LCI Battery Cable Lead Positive Underfloor 9348761
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MINI S R52 R53 W11 170HP Engine Control Unit ECU DME 7557395 Manual Gearbox
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Starter Motor Mercedes W163 R170 W210 W901 Diesel Engine Actuator A0051510601
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VW Golf 6 2.0 TDI Diesel CBD Engine Control Unit ECU Manual 03L906022LF
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BMW E87 E90 118i 318i N46 Engine ECU KIT DME 7561834 CAS2 Keys Manual
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Mini R55 R56 Cooper S EGS Module Automatic Gearbox ECU Control Unit 7598857
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Mercedes Sprinter W906 Mechatronic Automatic Gearbox Control Unit A9062700060
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VW Volkswagen Golf Mk7 Radio Control Head Unit CD Player 5G0919605
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BMW 3 5 Series E60 E90 325i 525i N52 218HP DME ECU 7567178 Kit CAS3 Key Manual
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Mercedes Vito W639 OM651.940 136HP 113 CDI Engine ECU Kit A6511501879 Keys+Lock
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Audi A7 4G8 Central Gateway Control Lear Module Unit ECU 4G0907468G
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Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805
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Mercedes W169 W204 W212 Battery Cable Negative Lead Wiring Harness A0009052702
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Audi A3 8P 1.6 MPI Ignition Wiring Loom Harness Set 06A905409P
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VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095G
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Mercedes Vito W639 OM646.982 109HP Engine Module ECU Unit A6461503278 Manual
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Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic
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Peugeot 3008 1.6 HDI T84 DV6-C Engine Control Unit Module ECU 9675391480 Manual
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BMW 1 3 Series E87 E90 Hands-free Electronics Bluetooth Module MULF2 9178862
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Fuse Box MINI R56 LCI Cooper One PL3 SPEG H5 Distribution Control Unit 3456852
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VW Golf MK6 Body Control Comfort Unit Module BCM 1K0937085
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BMW 1 3 5 Series E60 E87 E90 E91 Cable Adapter iPod Connection 2154179
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BMW 7 Series E65 E66 Rear Seat Wiring Cable Electrical System 6915999
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Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
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Audi Q2 GA Head Unit Navigation Multimedia Control Unit MMI 81A035043
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BMW 3 Series E90 E92 E93 M3 LCI Control Unit For Fuel Pump ECU 7842024
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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 .