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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Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Mercedes W202 C208 W210 Fuse Box SAM Relay Control Unit Module A0195455632
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Mini Cooper One R50 Petrol W10 Engine Wiring Loom Harness Module 7533097
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BMW F45 Mini F60 7645528 Venting Line Radiator Coolant Expansion Tank 7645528
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BMW E60 E61 530d Diesel M57N 218HP ECU Control Kit DDE 7794650 CAS2 Key Manual
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9229872
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Mini Cooper R55 R56 R57 LCI Engine Wiring Harness Loom DDE 7823706
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Lights Module BMW E90 E91 E92 E93 Footwell Control Module 9263802
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Door Module Mercedes W212 Front Right Control Unit Module A2129004718
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BMW Z4 Series E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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Head Unit Mercedes GLE C292 Radio CD Player Navigation Media A1669003722
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Mercedes W212 W221 Blind Spot Radar Sensor Rear Left Right N/O/S A0009062000
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129008404
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BMW F80 M3 F82 F83 M4 Li-ion 12V Accumulator Battery 69Ah 770A 9312759
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BMW E46 M3 343HP Engine S54 Control Unit Module ECU DME Manual 7833284
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Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
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Volkswagen Tiguan 5N Engine Bay Fuse Relay Box Terminal 3C0937125A
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Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C
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Audi A5 8T Crash Impact Sensor Unit Module Air Unit 8K0955557B
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Audi A3 8P Battery Box Tray Housing Holder Bracket Cover Mount 1K0915333H
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Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069000103
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BMW E60 LCI E90 E91 325d 525d M57N2 ECU Engine Control Unit DDE 7805288 Manual
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BMW 5 Series E60 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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Mercedes W204 C180 M271.820 156HP Engine ECU Kit A2711500391 Key Lock Automatic
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BMW F32 420d B47 Diesel 190HP Engine ECU DDE Kit FEM + Key 8591073 Automatic
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Mercedes-Benz C-Class W203 Front Right Door O/S Control Module A2038200626
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BMW 5 6 7 Series E60 E61 E65 N62N Petrol Alternator Generator 180A 7542934
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600076 CAS3 Key Manual
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BMW 4 Series F33 F83 M4 Switch Folding Top Sliding Up Down Roof 9366374
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Alternator Ford Focus MK3 Fiesta MK6 1.6 TDCi Engine Generator AV6N-10300-GC
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BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Kit DDE 7811151 CAS3 Key
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BMW 1 3 5 E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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Fuel Pump Module Mercedes W205 W222 W238 Control Unit ECU A0009007813
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BMW X3 E83 Transmission DXC Transfer Box Wiring Cable Loom Harness 3414473
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Mercedes W204 Battery Clamp Fuse Protection Switch A2075400250
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BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022189
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120
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Radio Professional BMW E81 E87 E90 E91 E92 Autoradio CD Player 9205962
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BMW E81 E87 LCI E90 N43 120i 320i 1.6 Petrol ECU Kit DME 7595179 CAS3 Key
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Audi Q7 4M Camera Module Drive Support Lane Assist Control Unit 4K4907117L
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Mercedes V177 W247 Windshield Camera Driver Assists Front Camera A2479004411
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BMW X5 E70 Navigation System CCC CD Player Sat Nav Head Unit 9147618
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BMW E61 LCI Body Gateway Module Unit KGM E6X High 28 D-Can Lear 9221109
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BMW 1 Series E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9230454
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Mini Cooper One R55 R55N LCI High PL SPEG H4 Fuse Distribution Box 3455436
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Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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BMW E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9286796
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Mini F54 F55 F56 F57 F60 Petrol B36 B38 B46 B48 Engine Starter Motor 7645979
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BMW 1 3 5 6 Series E60 E81 E87 E90 E91 LCI Fuel Pump Control Unit ECU 6763811
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YUASA 5000 12V Accumulator Car Battery 80Ah 740A HSB096
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BMW E81 E87 LCI 116i 1.6 N45N 115HP Control Unit ECU Kit DME 7567321 CAS3 Keys
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Air Sensor Module BMW E65 E66 E67 A-Pillar Control Unit Right O/S 6946110
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BMW F30 320iX N20 ECU Kit Engine Control Unit DME 8606777 Key FEM Automatic
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Mercedes W177 W213 Engine Wiring Harness Loom E220d Diesel A6541500800
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Mini Cooper R55 R56 R57 CCC Navigation Navi Sat Nav Head Unit 9195956
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BMW E92 Sport Seat Left Right Thigh Support Cover Trim Leather Dakota
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TOYOTA Engine Starter Motor 28000-0680 12V
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Part no. Bosch S4 013 95Ah Accumulator
Bosch S4 013 Accumulator Battery 95Ah 800A 12V
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Mini R56 LCI R60 N16 98HP Petrol Engine Control Unit ECU DME 8600124 CAS3 Key
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 6809049
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VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
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Audi A3 8P Rear Bumper PDC Wiring Parking Sensor Loom Harness 8P3971085
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BMW F11 Touring Trunk Lid Rear Reversing Camera Cable Wiring 9240351 9182930
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BMW X5 E53 Navigation System Sat Navi TV Video IBUS Module Unit 6968041
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BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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VW EOS 2.0 TDI CBAB 140HP Diesel Engine Control ECU Bosch 03L906022PM Manual
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Audi A1 8X 1.2 TFSI CBZA 86HP Engine ECU Kit Ignition + Key 03F906070GN Manual
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Mercedes SLK R172 Door Control Unit Module Front Right O/S A1729002601
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ECU Kit Mini R55 R56 R57 N12 1.6 120HP Control Unit DME 7589971 + CAS3 + Key Manual
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Mini R50 R52 Petrol W10 Compact Alternator Generator 105A 7515029
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Mercedes-Benz B W245 Front Bumper Parking Distance Sensor Parktronic Primed
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Volkswagen Tiguan 5N Battery Lead Positive Cable Plus Pole Wiring 5N0971228D
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Wiring BMW F12 Front Bumper PDC Wiring Park Assist Sensor Harness 9240521
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BMW E90 E91 E92 LCI N47N Engine Alternator Starter Cable B 7810860
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BMW 1 3 5 E60 E61 E87 E90 E91 N52 WAI Alternator Generator 155A 11077N
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BMW E90 LCI ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9247474
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BMW 7 Series E65 E66 Dashboard EXCH Control Display Screen 8,8" 9110639
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Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3457029
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BMW E60 E61 530d Diesel M57N 218HP ECU Kit DDE 7794218 + CAS2 + Key Automatic
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Audi A3 8V Radio CD SD SIM Player Stereo Sat Nav Head Unit 81A035192D
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Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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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 .