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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Mini R58 R59 Wiring Set Loom Harness PDC Rear Bumper 9283673
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Airbag Module BMW F10 F12 F13 X3 F25 ECU Control Unit Air Bag 6837358
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Peugeot 207 1.4 HDI Fuse Box BSI Control Unit Module ECU 9659285480
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Mini One D R50 Diesel W17 88HP Engine ECU Kit DDE 7792544 + EWS + Keys Manual
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BMW X1 E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 Key Manual
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Mercedes W211 Body Control Module BCM Comfort Module Unit A2115453532
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BMW X5 Series E53 PDC Parking Control Module Unit PDC 6932985
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Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469002318
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Mercedes W204 Fuse Box Rear Relay Control Unit Module SAM A2045458601
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BMW 5 7 Series E39 E38 Saloon Aerial Radio Antenna Diversity Amplifier 8378090
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Mercedes W204 Display Screen Multifunction Navigation Dashboard A1729004004
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Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AA
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Peugeot Boxer Body Control Module Control Unit BCM Fuse Box 1371887080
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Land Rover Freelander 2 L359 2.2 Engine Alternator Generator 6G9N10300YC
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Audi A4 B8 2.0TDI CAHA 170HP Quattro Engine ECU Kit Ignition + 2 Key 03L906022RM
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Audi Q7 4L Quattro Diesel 3.0 TDI ALternator Generator 180A Bosch 059903018K
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BMW X5 E70 3.0d M57N2 235HP Engine ECU Kit DDE 7805585 + CAS3 + Key Automatic
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Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465403803
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Mini R56 LCI R60 Radio MINI CD Player Head Unit Controller 3456363
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Parking Control Module BMW E81 E84 E87 E90 E91 E92 E93 Unit PDC 6982402
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Battery Starter Wiring Mercedes W168 Harness Cable Positive A1685400230
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Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7595179 CAS3 + Key Manual
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BMW Mini Cooper R57 R57N LCI 2 Cabrio Aerial Roof Antenna Base 9149080
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BMW 5 6 Series E60 M5 E61 LCI M5 E63 E64 M6 Speed Cluster Sensor 2282777
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Volkswagen Polo 6R Fuse Box Module Comfort BCM Body Control Unit ECU 6R0937087P
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Peugeot 3008 USB AUX Connector Interface Adapter Port Socket 96647952XT
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BMW E60 E61 LCI M5 E63 M6 Generator Oil Pump Cable Harness Wiring
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BMW E60 LCI E63 CHAMP Business System Controller CD Player 9196760
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045454501
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Ford Transit Mk8 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BD
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Audi A1 8X Central Gateway Control Unit Module Relay Supply ECU 8X0907063R
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Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805
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BMW X3 Z4 E83 E85 Mini R50 R52 DVD GPS Navigation System Computer Unit DAMAGE
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
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BMW 3 Series E46 Radio Business CD Player 65126939660 6939660
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Fuse Box Mercedes SLK R171 Roadster SAM Relay Box Control Module A1715451701
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Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391
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Fuse Box BMW E87 E90 E91 E92 E93 Front Power Distribution Relay Box 6906607
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BMW E90 Light Control Footwell Module ECU MAX Brose FRM3R PL2 Lear 9390491
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Mercedes W211 SAM Module Fuse Box Relay Control Unit A2115456101
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Mercedes W213 E220 CDI OM654.920 Engine Control Unit ECU A6549001400 Automatic
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Mercedes-Benz C CLK Class W203 W209 Airbag Control Unit Module ECU A0018209726
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BMW F30 F32 LCI 335dX 435dX N57Z Engine Wiring Cable Loom Harness 8574019
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BMW E65 E66 Dashboard Control Display Screen 8,8" 6986301 9137123
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7610009 + CAS3 +Key Manual
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Audi Q7 4L Steering Column Lock Mechanism Control Unit Module ECU 4F0905852B
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Mercedes V177 Seat Control Module CSMM Front Right O/S A2479005807
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Mercedes-Benz C-Class W204 Bluetooth Hands-free Mobile Phone Adapter B6 787 5877
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3 x BMW E88 E89 E93 Convertible Cabrio DWA Alarm System Module 6989713
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BMW X1 E84 20dX Diesel N47N 184HP Engine ECU Kit DDE 8519009 CAS3 Key Automatic
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Mercedes W245 B150 CDI OM266.920 Engine Control Unit Module ECU A0014460340
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Mercedes Sprinter W910 ECU Bracket Control Unit Module Holder Mount A6511400300
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Mercedes-Benz E-Class W210 Battery Ground Earth Strap Cable Wiring A2105401031
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Fuse Box Cover Mercedes W203 W209 Battery Terminal Housing Trim Cap A2035451003
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Part no. 9154052
BMW X3 E83 Z4 E85 DVD Player GPS Navi Head System Computer Unit 9154052
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Part no. 7790879
MINI Cooper D One R50 Alternator Generator 7790879
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Mercedes W176 W246 Radio COMAND Nav CD Player Control Head Unit A2469003519
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BMW X5 E70 X6 E71 Module Control Unit Trunk LidRear Tailgate Lift 7317419
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Mercedes-Benz W203 C 200K M111 Engine Control Unit Module ECU A1111531879
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Mercedes W164 ML 280 CDI 642.940 190HP Engine Unit ECU Kit A6421509678 Key Lock
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BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
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Volkswagen Golf Mk7 BCM Body Control Module Unit ECU 5Q0937084S
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Vauxhall Opel Insignia A 2.0 CDTI Alternator Bracket Belt Tensioner 55582510
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BMW 1 3 Series E81 E87 E90 Hands-Free Electronics Charging Module MULF 9111718
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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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Mini Cooper R56 Footwell Light Module High EKS PL3 FRM3R 3457402
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Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual AT1112A650BD
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Mercedes-Benz A-Class W169 SAM Control Module Fuse Box Unit A1695454232
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Ford Transit MK7 Airbag Module ECU Control Unit Air Bag 6C1T14B056AE
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Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Automatic
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Volkswagen Crafter 30-35 2E Amarok 2.0 TDI Engine Starter Motor 2H0911023F
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Screen Ring Mini F55 F56 F57 Navigation Display Head Unit Trim Cover 9843968
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Citroen Berlingo Peugeot Partner Battery Terminal Earth Cable Wiring 9676811780
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Audi A8L 4H Voltage Converter Stabilizer Control Module Unit ECU 8K0959663C
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Audi Q7 4L Automatic Transmission Module Controller Unit 09D927750FS
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Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102
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BMW X3 Z4 E39 E46 E60 E65 E83 E85 Petrol M54 Starter Motor 7515390
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Vauxhall Combo D 1.3 Cdti Fiat Lancia Alternator Engine Genarator 95511910
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BMW 7 Series E65 E66 E67 Control Unit Module Passive Go 6941803
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Part no. A6229000500-1
Mercedes W447 109CDI BE OM622.951 Engine Control Module ECU Kit A6229000500
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Alternator Mercedes R172 SLC 43 AMG Petrol OM276 200A Valeo A0009068806
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Part no. A2469067901-1
Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901
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BMW 5 Series E60 M5 S85 Battery Cable Plus Pole Positive Battery SBK 7835218
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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 .