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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BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Mercedes W906 SAM Module Fuse Box Relay Control Unit Regulator A0009822223
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BMW F40 F54 Cover Battery Vehicle Trim 7290719
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VW Golf Mk8 Antenna Amplifier Rear Booster Boot Lid Tailgate Left N/S 5H6035577B
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Audi A4 B8 Multimedia Radio CD DVD Player MMI Head Unit 8T2035666E
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Professional Navigation BMW E60 E61 CCC System Controller Control Unit 6987689
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BMW 1 3 5 Series E60 E87 E90 E91 120d 320d M47N2 ECU Kit DDE 7797217 CAS2 + Key
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Headlight Module Audi A6 C7 A7 A8 Headlamp Range Control Unit 4H4907357C
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Mercedes W176 A200d 651.930 136HP Engine Unit ECU A6519009702 Automatic
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Mercedes-Benz C W204 CDI Automatic Gearbox Control Module Unit ECU A0005454316
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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DriveTec Heavy Duty 12V Accumulator Battery 72Ah 650A DM096
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Chrysler 300C CD Player Radio Audio Navigation Head Unit 05064191AE
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Mini One R55 R56 Petrol N12 95HP Engine Control Unit ECU DME 7588502 Automatic
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BMW E60 520i Petrol M54 170HP Engine ECU Control Module DME 7533651 Automatic
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Body Control BMW F30 F35 F35 LCI BCM Comfort Module Unit BCM 8709210
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Audi S6 C6 Bose Audio Speaker System Amplifier 9339415
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BMW X5 E70 LCI X6 E71 30dX Diesel N57 245HP ECU Kit DDE 8506570 + CAS3 + Keys
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Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Keys 7648190 Automatic
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BMW 3 Series E46 Radio Business Cassette Player 6915709
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BMW E60 E61 CCC CD Professional Navigation Controller 6953773 SPARES OR REPAIR
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YUASA YBX 3000 12V Accumulator Battery 76Ah 680A YBX3086
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Citroen C4 CD Player Radio Audio Head Unit 9666967777
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Audi A3 8V 1.5 TSI DPCA Engine Module Control Unit 05E907309H Manual
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Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
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BMW G20 Roof Antenna Telematic GPS Module Control Unit ECU 5A4B459
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BMW E92 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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BMW 1 2 Series F20 F21 F22 LCI Battery Cable Lead Positive Underfloor 9348761
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BMW X5 E53 3.0d M57N 218HP ECU Engine Unit Kit DDE 7800131 EWS3 + Key Automatic
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Mercedes R172 OM651 Starter HV Battery Wiring Harness Cable Loom A1725403505
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Mini Cooper F54 Body Control Comfort Unit Module BCM Unit ECU 5A5E6B5
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JAGUAR XF250 Electronic Parking Brake Module Handbrake Control 8W83-2C496-AB
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BMW 3 5 7 F30 LCI G11 G30 Hybrid High Voltage Battery Safety Box 7,6 kWh PHEV
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BMW X1 E84 N47 Engine Gearbox Module Wiring Cable Loom Harness 7812444
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BMW 1 Series E87 ECU Body Control Module Unit PL2 JBBFE L2 6964597 61356964597
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Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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BMW Z4 E89 Head Unit Stereo Professional Navigation System Computer CIC 9214939
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Mercedes SLK R171 Microphone Hands Free System Interior Mic Unit A1718201635
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Mercedes 12V Accumulator Battery 74Ah 680A A0009823108
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Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097
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BMW E60 E63 On-board Navigation Display Monitor Dashboard Screen 6,5" 9193748
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BMW E60 530i M54 231HP Engine ECU Kit DME + CAS2 + 2 Key 7527072 Automatic
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BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU KIT DME 8489450 FEM + Keys
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Mercedes W211 Fuse Box Control Unit SAM Module Relay A2115453101
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BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9280616
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Mercedes W205 DRL Ballast Headlight Control Unit Right O/S Module A2059067904
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Audi A3 S3 8V 3D Door Wiring Harness Loom Cable Passenger Side 8V3971030
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Head-Up Display BMW F10 F11 Hud Project Dash Screen Control Unit Module 9246213
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BMW E88 E93 Convertible Rollover Bar Protection System Sensor Unit Module 800137
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BMW E93 Convertible Cabrio Rear Bumper TV Aaerial 9152325
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BMW X5 X6 Series E70 E71 Cable Loom Wiring Set Seat Passenger's Side 9188745
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Steering Lock Cable Mercedes W169 W204 Connector Plug Wiring Loom A0495453128
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Display Screen BMW F45 F46 Central Information Navigation Monitor 8,8" 9387450
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BMW Mini Cooper One D R55 R56 Engine Starter Motor Diesel Valeo 7805098
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Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-BD
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BMW E81 E87 LCI E90 N43 120i 320i 170HP ECU Kit DME 7621178 CAS3 Key Automatic
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BMW E60 Light Control Module Unit Lear LM F6X Lear 9116260
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FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9324776
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Radio Player Mercedes-Benz W204 COMAND Navi CD Head Unit A2048700196
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BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor Controller 9145402
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BMW E87 E90 E91 118i 318i N46 129HP ECU Unit KIT DME CAS2 Key 7561834 Automatic
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Xenon Adaptive Headlight Module BMW F22 F23 Control Unit Driver Module 7363090
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
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Microphone Mercedes W447 W907 W910 Hands-free Interior Mic Unit A4478200035
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LIM Module BMW i3 I01 Hybrid Electric 60Ah 94Ah 120Ah Control Unit 9380352
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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 .