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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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511502790
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SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module
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Door Module Mercedes C219 Front Left Door N/S Control Unit Module A2198200626
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BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Key
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Engine Control Unit BMW F10 F30 320d 520d N47N 184HP ECU DDE 8518423 Manual
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Mini Cooper One R50 R52 Starter Motor 0,9KW BOSCH 4542741
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Computer Mercedes W205 X253 W447 Navigation Radio Player Head Unit A2059001722
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Audi Q3 8U Boot Tailgate Control module Unit 8U0959107
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BMW E60 530i E90 330i N52 258HP Engine Control Unit ECU DME 7561684 Automatic
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BMW E87 Light Module ECU LCM Footwell module PL2 FRMFA 6961133
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BMW E60 Light Control Unit Module LM E6X MAN LWR Lear 6983538
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Rain Sensor Mercedes W204 Light Solar Condensation Control Unit A2048208185
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Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038
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Mini Cooper R56 N12 1.6 120HP Petrol Engine ECU Kit DME 7573701 CAS3 + Keys
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BMW G20 G80 G82 Amplifier Harman Kardon Booster Audio ECU Unit Module 5A38AB8
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Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985
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BMW 3 Series E46 Touring Amplifier Side Window Antenna Aerial 6906071
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BMW 5 Series E60 E61 Positive Battery Cable Plus Pole Lead 61126971219 6971219
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Skoda Octavia II Crash Thrust Air Module Sensor 1K0955557B
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BMW 3 5 E60 E61 E90 LCI 1 Display Screen 8.8" Monitor Sat Nav 9193745
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Seat Control Module Mercedes A172 A190 A197 A207 A231 ECU Unit A1729000402
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MINI One R50 R52 W10 90HP Engine Control Unit ECU Module DME 7557395 EWS Manual
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On-Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen 8,8" 9194064
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Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326
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Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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BMW 3 Series E90 Footwell Light Control Module AHL PL2 FRMII 61359166709 9166709
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VW Volkswagen Golf 6 Gateway Control Unit Module ECU 7N0907530C
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Adblue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9488418
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BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6916692
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BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7542725
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BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Manual
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BMW F07 F10 F11 F12 Diesel N57 Engine Wiring Injection Wiring Harness 8583575
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BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Wiring Loom Module Harness Cable 7848265
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BMW 1 3 Series E81 E90 LCI Business System Car Infotaiment Computer CIC
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Mercedes W447 Door Control Unit Front Right O/S A4479007806
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Audio Amplifier BMW F40 G05 G20 G30 Top Hifi Harman Kardon Control Unit 9832609
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Starter Motor Mercedes Sprinter W906 OM651 Diesel Engine 0986021360
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Mercedes W176 W204 W207 W212 W246 Fuel Pump Module Control Unit ECU A0009007306
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BMW E63 E64 LCI Driver's Seat Occupancy Sensor Mat Control Unit Module 9126457
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Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A
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Rain Sensor Mercedes SLK R172 W204 Front Windscreen Control Unit A2049017901
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Mercedes W211 W219 Fuse Box Rear SAM Module Electrical Fuse Unit A2115459301
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Volkswagen Golf VII 5G 1.5 TSI DACA 130HP Engine Control ECU 05E907309 Automatic
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Mercedes W203 W639 Audio 10 CD Player Audio Stereo Radio Head Unit A2038202686
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Mercedes-Benz A-Class W169 Airbag System Control Unit Module ECU A1698202185
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Ford Transit Mk7 Radio CD Player Head Unit Autoradio 6000 CD 8C1T-18C815-AA
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Audi A4 B9 Front Door Module Control Unit ECU Passenger Side 8W0959592N
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BMW F30 LCI 330e Hybrid High Voltage EDH Wiring Cable Wire 6824108
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BMW F31 X5 F15 Mini F60 Electric Tailgate Bootlid Control Unit Module 9852926
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BMW F80 M3 F82 F83 M4 431HP Engine Unit Module ECU DME 8679840 Dual Clutch
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BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8573258 Manual
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Mini F55 F56 Roof Antenna AM FM GPS TEL 8782591 65208782591
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR01 ECU 9324784
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BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776
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BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
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BMW X5 E70 X6 E71 F10 F11 F12 PDC Ultrasonic Parking Sensor SET X2 Black 9270495
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VW Volkswagen Golf Sportsvan Multimedia Sat Nav Radio Display Screen 5G6919605B
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BMW 1 Series E82 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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Chrysler Grand Voyager Diesel Engine 2.8 CRD Starter Motor 04868860AA
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BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973
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Mini One D R56 LCI N47N 90HP Diesel Engine ECU Kit DDE 8519663 + CAS3 + Key
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BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional CD Player 9343198
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Peugeot 207 1.6 HDI 90HP DV6-ATED4 Engine Control Unit ECU 9663755480 Manual
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Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223D
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Navigation Head Unit BMW F20 F21 F30 F31 LCI F32 Radio CD Player High 2 9867503
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Mercedes W906 Cover Footwell Fuse Box Trim OBD Grey A9066880008
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Mercedes W205 Park Parking Assist PDC Distance Control Unit Module A0009003806
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Rear View Mirror Cable Mercedes W169 W245 Wiring Loom Harness A1695400706
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Citroen C4 Peugeot 3008 Starter Motor Engine Diesel 9663528880
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Mercedes W205 W213 W222 Comunication Module Telematic Bluetooth A2229005415
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Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300
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Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Engine Control Unit DME 8652746 Manual
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BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9160101
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Mini R50 R52 Alternator Generator 110A Benzin 7550997 7550319
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Mercedes W164 W169 W211 W245 W906 6 Disc CD Changer Player A2118703889
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Mercedes W906 Glow Plug Relay Module Unit A6519007703
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BMW F10 F11 535d F13 640d N57Z 313HP ECU Kit DDE 8578115 Key CAS4 Automatic
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BMW E60 M5 E63 E64 M6 Cylinder Head Cover Engine Cylinders 6-10 7891023
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BMW X5 E70 Footwell ECU Light Control Unit Module Xenon FRM II Lear 9170453
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BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943287
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BMW 3 Series E90 Footwell Light Control Module ECU NSW PL2 FRM II Lear 9153782
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BMW X5 E53 Automatic Gearbox Basic Control Unit Module EGS 7544721
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BMW 5 Series E60 LCI Light Module Control Unit ECU Lear LM II E6X LWR 9192641
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BMW 1 3 Series E81 E87 E90 E91 120i 320i N43 ECU Kit DME CAS3 Key 7583225 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 .