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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3 x BMW E88 E89 E93 Convertible Cabrio DWA Alarm System Module 6989713
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Audi Q5 8R 2.0 TDI CJCA Diesel Engine Alternator Generator 03G903016G
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Mini Cooper One R55 R56 R57 R60 Neutral Start Stop Gearbox Sensor Module 7601993
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8625241 + FEM + Key Automatic
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BMW X5 E70 X6 E71 Battery Cable Negative Battery Lead IBS 9184209
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500433
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Motor Engine Starter Mercedes R172 W204 C207 W212 M271 Petrol A0061517201
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Ford Transit Custom Fuse Box Cover Housing Lid Trim Cap Panel KK3T-14A075-AB
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BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Carbonschwarz Black
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BMW E81 E87 E90 LCI Professional Navigation Car Computer CIC 9283428
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Door Module Mercedes W205 Rear Right O/S Door Control Module A1679004811
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BMW F20 F21 F30 F31 Mid-Range Sound Speaker Stereo HiFi Harman Kardon
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Rear View Camera Module Mercedes W205 W222 W253 Control Unit A2229005613
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BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit
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BMW E60 E63 E64 Body Control Module ECU 61356947919 6947919
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Mini Cooper D R55 R56 LCI N47N 1.6 112HP Diesel ECU Kit DDE 8519663 CAS3 Keys
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BMW F20 F21 F30 F31 LCI Gearbox Transmission Harness Wiring Loom Cable 8586569
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Audi Q3 8U Petrol Alternator Generator 14V 140A 06J903023B
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BMW F33 Driver Side Seat Wiring Loom Electric Harness 9352158
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BMW E60 E61 Touring Light Module Control Unit ECU LM MAN.LWR 9116255
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Mercedes Vito W639 111 CDI 646.982 109HP Engine ECU Kit A6461532891 Key Lock
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Peugeot 207 Crash Impact Sensor Control Unit Module 9659186280
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BMW E81 E87 LCI E90 E91 E92 Front Fuse Box Power Distribution 9119444
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Mercedes W176 A200 BlueEFFICIENCY 270.910 156HP Engine ECU Module A2709002100
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BMW E46 Radio Business CD Player 65126939660 6939660
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VW Volkswagen Polo 6R PDC Parking Sensor Control Unit Module 6R0919475C
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BMW 1 3 5 F10 F20 F30 Can Bus Interface Data Terminating Resistor 586509
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Citroen Relay Peugeot Boxer Fiat Ducato Fuse Box Control Unit 1367661080
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Seat Ibiza 6J 1.2 TSI CBZB 105HP Engine Control Module ECU Unit Manual 906070GR
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VW Polo Petrol Engine Control ECU Manual Siemens 5WP1630440 03E906033
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Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 240809677R
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BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 CAS3 + Key Manual
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BMW 1 2 3 F20 F21 F22 F30 F31 Radio Professional CD Bluetooth Player 9281517
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Audi A4 B9 A5 F5 Q7 4M Q5 FY VW Volkswagen Touareg Mk3 Starter Motor 057911024
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Mercedes R171 Central Gateway Module ECU Control Unit A1715404945
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BMW 7 Series E65 E66 E67 Control Unit Module Passive Go 6941803
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Audi A6 C6 MMI Multimedia Sat Nav Navigation Control Head Unit 4E0035652A
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Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CQ
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Mercedes-Benz A B E M W169 W245 W210 W163 Relay 5-Pin Yellow Hella A0025427419
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Mercedes CL203 W203 Battery Terminal Fuse Box Control Unit Module A2035450803
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BMW F10 F30 330d 530d 258HP Engine Control Unit N57N ECU DDE 8577835 Automatic
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Audi TT FV Impact Body Sound Accoustic Control Module ECU 8S0907159
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Audi A1 8X A3 8P Q3 Mk1 Diesel Engine Starter Motor 02M911024P
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BMW F33 F83 M4 Rear Third Stoplamp Stop Lamp Brake Light Red 7296109
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Mini Cooper Cabrio 3 R57 LCI Light Module High EKS ECU PL3 FRM3R 3456395
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Ford Transit Connect Control Unit Central Door Locking Module ECU 9T1T-15K600-DD
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Peugeot 3008 Wiring Loom Harness Cable 9665290180
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Head Unit Hyundai H-1 Radio CD Player MP3 AUX RDS Unit 96100-4H920WK
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Mini R50 R53 6-Disc CD Changer Multichanger With Magazine 9131852
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Part no. 8680374-1
BMW F45 Alternator Generator 14V 180A DENSO 8680374
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Body Control Module Mercedes Sprinter W907 W910 SAM BCM Unit ECU A9079000704
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Fiat Doblo Positive Battery Cable Lead Wire Electrical Cable 51871154
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Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651B
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Radio MP3 Player Renault Trafic Vauxhall Vivaro Head Unit Bluetooth 281155093R
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Sunroof Wiring Volkswagen VW Tiguan 5N Roof Motor Cable Harness 5N0971100R
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Navigation Head Unit BMW F10 F20 F21 F30 F31 Media Player High 9311035
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BMW E90 Body Control Module M Junction Box PL2RR JBBFE IIIR ECU 9364819
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VW Passat B6 Steering Wheel Steering Column Control Module 3C0953549J
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Audi A6 C7 Board Supply Comfort BCM Body Control Module Unit ECU 4H0907063CF
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Porsche Macan 95B Tyre Pressure Control Unit Module 7PP907273H
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Mercedes W245 B180 CDI 640.940 Engine Control Unit ECU A6409004600 Automatic
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Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
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Mercedes S205 X253 Center Console Wiring Loom Electrical Harness A2055402224
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Audi A4 S4 B9 3.0 TFSI 355HP CWGD Quattro Engine Control Unit ECU 06M907309D
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BMW 3 Series E91 LCI ECU Body Control Module Junction Box H2 9264573
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Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
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Audi A3 8V 1.6 TDI 110HP DBKA Engine ECU 04L907309R Manual
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VDC Module BMW F20 F21 F30 F31 Rear Suspension Level Control Unit 6855189
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Mercedes W164 Fuse Box Relay Module Unit A1645403472
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BMW G30 G31 Fuse Distribution Box Holder Control Unit Bracket Carrier 9330542
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BMW E88 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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BMW X5 E53 3.0d M57N 218HP ECU Control Unit Module DDE 7800131 Automatic
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Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 6821203
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BMW E87 E90 E91 118i 318i N46 129HP ECU KIT DME CAS2 Key 7561834 Manual Gearbox
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BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Automatic
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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 .