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 5 6 Series E60 E61 E63 M-ASK Business Navigation System Controller 6944108
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Bluetooth Module BMW E81 E87 E90 MULF Hands free Electronics Charging 6975173
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Seat Ibiza 6J Door Wiring Rear Right O/S Harness Loom Cable 6J4971161M
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BMW E60 E61 E63 E64 Power Distribution Fuse Relay Box Rear 6906588
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Mercedes W212 Engine Alternator Generator A0009062100
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BMW E87 E90 LCI Car Radio Professional CD Radio Head Unit Bluetooth 9246502
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Audi Universal SD Card Map Pilot Navigation Europe 2016 8X0919884J
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BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9234437
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Mini One R56 N12 1.4 N12B14A 95HP Petrol ECU Kit DME 7589971 + CAS3 + Key
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Mini Cooper Cabrio R52 Convertible Folding Roof Module ECU 6960792
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Peugeot Expert Citroen Dispatch 2.0 HDI 120HP Engine Unit ECU 9664611380 Manual
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BMW E90 E91 E92 Professional CCC Navigation System Controller 6949171
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Led Indicator Module BMW F32 F33 F36 F80 F82 F83 Light Signal Blinker 7493232
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Fuse Box BMW F40 Mini F55 F56 Power Distribution Junction Relay Unit 9270356
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BMW E81 E87 E90 E92 Comfort Access Passive Go Control Unit Module 6987184
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Key
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BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor 7638193
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Battery Cover Mercedes W204 W207 Trim Lid Panel A2048982614
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Volkswagen VW Passat B7 Module BCM Body Control Unit Module ECU 3AA937087R
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Mini Cooper R50 R52 R53 6-Disc CD Changer Unit Module With Magazine 6977767
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BMW E65 E66 Control Unit Air Bag ECU Gateway Module Unit 9115360
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Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475J
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BMW X1 Series E84 Cable Loom Door Passenger Side Wiring Harness 9269948
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BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6934413
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VW Volkswagen Golf 6 Polo Radio Head Unit RNS 310 Media Player Unit 3C0035270
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BMW E87 LCI E90 118d 318d N47 Diesel ECU DDE CAS3 Key 7807828 Automatic Gearbox
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BMW F15 F85 F16 F86 Steering Wheel Lane Change Control ECU Module Unit 7849446
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Mercedes A B Class W169 W245 Rain Light Sensor Control Unit Module A1718203926
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Alternator Mercedes W204 W212 Diesel Engine OM651 Valeo 180A A0009067900
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Mercedes W212 Fuse Box Front Relay Control Unit Module SAM A2129009025
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Mercedes-Benz W169 W245 Start Stop Starter Alternator Module ECU A2669001000
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Mercedes ML W164 Diesel Engine Starter Motor A0061516101
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Mercedes W169 PDC Parking Sensor Distance Control Module Unit ECU A1695455332
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Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218700326
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BMW 5 Series E60 Front Seat Module Control Unit 6927271
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Starter Generator BMW i3 I01 Hybrid 60Ah 94Ah 120Ah Rex Petrol Engine 7625712
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C
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BMW F90 M5 G01 G11 G30 KaFAS Camera Speed Control ECU Module Unit 9461797
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Pedestrian Protection Mini F55 F56 F57 Tube Impact Crash Sensor Module 5A2A040
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BMW 1 Series E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU Kit A0034466040 2 Keys
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Audi A8L 4H Head Up Display Hud Project Screen Control Unit Module 4H0919604G
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Battery Cable Volkswagen VW Golf Mk6 VI Positive Plus Pole Lead 3C0971228K
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KIA CEED I 1.6 CRDI Diesel Engine Control Module ECU 39120-2A051 Manual
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Part no. 7849393
Steering Wheel Module BMW F20 F21 F30 F31 F32 Heating Control Unit 7849393
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Mercedes W213 Center Console Cupholder Lamp Wiring Harness A2135402045
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BMW 1 3 Series E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9132539
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Airbag Module Mercedes C118 W177 W247 Front Air Bag Control Unit ECU A1779006604
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Mercedes W205 W212 W246 Parking Distance Sensor Set x2 Cavansite Blue - 890
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VW Seat Skoda Polo MK5 Diesel Engine Alternator Generator 140A 14V 03P903023D
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Energy Distributor Mercedes W204 W212 W906 Power Block Control Unit A0055461040
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BMW 1 3 Series F20 F21 F30 LCI Starter Motor Engine 8621840
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BMW 3 5 7 X5 Series E38 E39 E46 E53 E65 Reception Antenna RDC 433MHZ 8378753
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Seat Ibiza 6J Starter Motor Petrol Engine Electrical Unit Actuator 02M911024R
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Mercedes C140 CL420 119.981 279HP Engine Unit ECU A0215452032 Automatic Gearbox
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Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6511501879 Key Lock
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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283E
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Mini R60 Xenon Headlight Adaptive Ballast Control Unit 7171587
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Renault Trafic 1.9 DCI Diesel Engine Control Unit Module ECU Manual 8200051608
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BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9224673
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA
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BMW Z4 E89 2.3i 3.0i N52N Petrol Engine Wiring Loom Harness Cable 7598076
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Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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BMW U06 X1 U11 Gearbox Wiring Loom Transmission Cable 5A7A3B9
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BMW Z4 E85 2.2i M54 170HP Engine Control ECU Kit DME 7541335 EWS3 + Key Manual
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Module Mercedes SLK R171 Automatic Transmission Control Module A0005457916
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Ford Focus Mondeo Diesel Engine Alternator Generator Engine Unit 6G9N-10300-UD
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Battery Cover Citroen Berlingo Peugeot Partner Tray Holder Housing 9663615380
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Mini Cooper One Clubman R55 R56 R58 R59 R60 Starter Motor 1.6 Engine 7550017
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Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292
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Power Supply Module BMW F20 F21 F30 F31 i3 I01 Integrated Relay 7614585
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Audi A3 8P 1.6 MPI Petrol Starter Motor Engine 02T911023M
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VW Volkswagen New Beetle Fan Control Module Relay 1J0919506K
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BMW F10 F11 F12 ECU ICM Control Unit Module 6856874
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Audi TT 8J Yaw Rotary Rate Sensor Speed Cluster Sensor 7H0907655A
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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 .