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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Mini F55 F56 Cooper SD B47 Diesel Engine ECU Kit DDE 8582719 BDC Key Automatic
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Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 7943747
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Centre Console Storage BMW E60 E61 5 Armrest Tray Box Support Mount 7115000
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129005010
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BMW F20 Radio BMW Professional CD DAB Player Controller F21 F22 F30 9341082
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Mini R55 R56 R57 Radio Boost CD Player Head Unit Control Unit Module 3452681
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Volkswagen Polo V Golf VI Radio CD Stereo Radio Head Unit 3Q0035842B
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Body Control Module BMW F01 F07 LCI F10 F11 Gateway ECU ZGW-02 8SK 9321878
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VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6855189
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Fuse Box BMW G20 G30 Power Distribution Control Unit Box Rear 8734160
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Fuse Box Mercedes W205 W213 GLC X253 Hybrid Power Distribution Unit A2135401115
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BMW F10 LCI F20 F22 F30 F31 N20 Engine Control Unit ECU DME 8639595 Automatic
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Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1669068201
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Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698207126
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Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218700326
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Ford Fiesta MK7 Body Control Module BCM Control Unit ECU 8V5115K600EG
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Audi A6 C6 Rear Left N/S Door Harness Cable Loom 4F1971687AL
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Iveco Eurocargo Relay 24V 20A Black 4718224
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BMW X5 F15 Earth Ground Cable Negative Battery Lead Wiring 8631634
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Radio Player BMW F20 F21 F30 F31 CD DAB Head Unit Audio Player 9335347
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Vauxhall Vivaro Radio Audio Player Stereo Head Unit 13292090
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BMW X1 E84 Radio Stereo CD Player Navigation Nav Head Unit 9283247
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Mercedes W639 Rear Bumper PDC Wiring Parking Sensor Loom Harness A6394408637
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Audi A4 B7 Radio Player Head Unit CD Stereo Concert 8E0057186DX
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Volkswagen Golf Mk4 Alternator Generator BOSCH 14V 70A 028903028C
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Renault Master 3 Vauxhall Movano B Display Screen Navigation Monitor 280563352R
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BMW 3 5 Series E60 LCI E90 325d 525d M57N2 197HP ECU Kit DDE 7809941 CAS3 + Key
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Renault Master 3 M9T 670 2.3 DCI Diesel Engine Unit ECU 237100899R Manual
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Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
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Renault Trafic 2 Vauxhall Vivaro M9R 2.0 DCI Engine Control Unit ECU 237101754R
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BMW E81 E87 LCI E90 N43 116i 316i 122HP ECU Kit DME 7621178 CAS3 Key Automatic
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Viper Prime AGM Car Battery Accumulator 12V 105Ah 1000A AGM020
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Ford Transit Custom Negative Battery Terminal Cable Wiring BK2T-14303-AG
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BMW F20 F30 116i 316i N13 136HP Engine ECU Kit DME 8625241 FEM Key Lock Manual
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VW Volkswagen Polo 1.2 TSI CBZB Engine Wiring Harness Cable Loom 03F971612
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BMW 5 X5 Series E39 E53 1 Radio Business CD Player Unit 6961218
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Audi TT Mk2 8J Door Wiring Harness Cable Loom Front Passenger Side 8J0971030AB
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BMW 3 5 E34 E36 Windscreen Wiper Wash Wi-Wa Control Unit Module ECU 8366381
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Mercedes W204 C180 156HP Kompressor M271.952 Engine ECU Kit A2711502779 Key
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VW Volkswagen Touran 1T 1.2 TFSI CBZB Starter Motor 0AH911023A
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Audi A5 F5 Sat Navi MMI Multimedia Radio SD Reader Head Unit Harman 8W5035035C
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Diagnostic Gateway Audi A4 B9 A5 F5 Interface Control Module Unit ECU 80B907468D
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 9134025
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Mini Cooper D F55 F56 B37 115HP Engine ECU Kit DDE 8587952 Key BDC Lock Manual
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BMW 3 E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE IIIR 9229872
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BMW 1 Series F20 F21 114i N13 Engine Control Unit ECU Module DME 8614302 Manual
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Amplifier BMW F06 F13 Antenna Amplifier Diversity 868 MHZ 9346795
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BMW F10 F11 550i F12 F13 650i N63 408HP ECU Kit DDE 8610680 Key CAS4 Automatic
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Mercedes W205 Estate Fuse Relay Box Module Control A0009822723
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Parking Sensor BMW E81 E87 E90 E91 PDC Front Rear Titansilber Silver - 354
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ECU Kit BMW F20 F21 114d Diesel N47N 95HP DDE 8573260 + Key + FEM + Lock Manual
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Audi A4 B6 Air Module Crash Impact Sensor Control Unit ECU 8E0959655J
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Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver Metallic B93
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BMW X3 F25 VDC Suspension Control Unit Module ECU 8833308
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Ignition Switch Mercedes C238 Electronic Anti Theft Control Module A2139005023
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Volkswagen Golf 6 Front Bumper Electrical Wiring Harness PDC Sensor 5K0971095D
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Mini Cooper One R50 R52 Petrol W10 Compact Alternator 105A 7515029
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Radio CD BMW E81 E87 E90 E91 Business Player Audio Control Unit Module 9200101
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Door Cable BMW E60 E61 Rear Left Right N/O/S Wiring Harness 9163160
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REM Module BMW F20 F30 Rear Electronic Fuse Box Control Unit V2 ECU 9317176
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BMW E60 E87 LCI E90 120d 320d 520d N47 ECU Kit Control Unit DDE 7809000 CAS3 Key
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BMW F40 F46 Mini F56 F60 Battery Holder Mount Tray Bracket Support Trim 9386604
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Mercedes-Benz C ML W203 C209 W163 6 CD Changer Magazine Cartridge A0028206289
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Mercedes W177 Rear Bumper PDC Wiring Loom Parking Sensor A1775401629
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BMW F15 F85 F16 F86 Steering Wheel Lane Change Control ECU Module Unit 7849446
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BMW E92 Coupe Rear Lamp Light Side Panel Left N/S Plug Socket Wiring 6984754
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Mini Cooper One R56 LCI Footwell Light Module High EKS PL3 FRM3R Lear 3456952
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BMW E90 E91 Central Locking Lock Immobilizer Control Unit Module ECU 7233914
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Volkswagen VW Touran 1T Seat Heating Control Unit Module ECU 1K0959772
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Audi A4 B9 LED Module Light Unit Wiring Harness Left Rear N/S 8W0947355J
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Mercedes W176 A200 CDI OM651 136HP Engine Module ECU Kit A6519007003 Automatic
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BMW 3 Series E90 E91 LCI Positive Battery Lead Distribution Box Cable 9205518
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BMW Varta VRLA / AGM 12V Accumulator Battery 90Ah 900A 9358616
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Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069003502
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Audi A3 8P Door Wiring Driver's Side Harness Loom Electrical Cable 8P4971035AC
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BMW F30 F32 LCI F36 335dX 435dX N57Z 313HP Control ECU DDE 8586536 Automatic
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Mercedes ML W164 Trunk Boot Lid Tailgate Sensor Cable Wiring A1648202010
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Renault Trafic Radio Stereo Audio CD Player Head Unit Sat Nav TomTom 281152957R
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Radio Player BMW E81 E87 E90 E91 E92 Radio Professional CD Control Unit 9177199
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Telematics Module BMW G11 G20 G30 Bluetooth Telephone Control Unit 2622589
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Fuse Box Mercedes W204 Rear SAM Relay Fuse Box Control Module A2049000902
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Chip Power Box Remap Module Control Unit Wiring Cable Harness Plug OBD2
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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 .