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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Part no. 04L911021B
Audi A4 B9 Engine Starter Motor Actuator Starter 04L911021B
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Audi A3 8P Gateway Interface Onboard Supply Control Module Unit ECU 8P0907279P
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BMW E63 E64 Front Bumper PDC Loom Cables Wiring Set 6929148
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Mercedes V251 Gateway Module Control Unit ECU A1645407901
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Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026
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BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440
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Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700196
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Mercedes W245 Head Unit Radio CD Media Player Telephone Unit A1699002100
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BMW E87 E90 118i 318i N43 Engine Control Unit Module ECU DME 7580279 Automatic
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TV Function Module BMW E65 E66 E67 Video Control Unit Tuner 6933866
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Mercedes C207 Stereo Radio CD Player Head Unit A2129004008
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Renault Trafic II Airbag Module Control Unit ECU Car Safety Sensor 8200969856
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BMW 5 6 Series E60 E61 LCI E63 E64 M5 M6 Earth Cable Starter Battery 7835548
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Mini Cooper Clubman R55 R56 W16 1.6 Diesel Engine Starter Motor 7802945
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Mini One R50 W10 90HP Engine Control Unit ECU DME 7545789 Manual Transmission
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Part no. 02M911024A
Volkswagen VW Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024A
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Part no. 7L0959933H
VW Touareg 7L Body Control Comfort Unit Module STG Convenience ECU 7L0959933H
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BMW Z4 Series E85 Emergency Release Folding Top 7123023
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Part no. 9215649
Mini Clubman R55 Rear Right O/S Wiring Loom Cable Harness Set 9215649
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Mercedes-Benz E W210 Battery Starter Alternator Positive Plus Cable A2105401530
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Part no. 6G9N-11000-FA
Starter Motor Ford Galaxy Mondeo S-Max TDCi Diesel Engine Starter 6G9N-11000-FA
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Part no. 0AM911024A
Volkswagen Passat B7 Engine Starter Motor Actuator Starter 0AM911024A
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BMW X3 F25 ICM Control Unit Air Module SRS ECU 6851284
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Volkswagen VW Touran Door Harness Loom Cable Wiring Front Driver 1T0971121AC
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Part no. A2118703794
Mercedes W169 W211 W245 Sound Audio Amplifier Unit Harman Becker A2118703794
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BMW E87 E90 LCI Car Radio Professional CD Radio Head Unit Bluetooth 9246502
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Part no. 6928935
BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 6928935
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Part no. 8K0919475J
Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475J
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Part no. 8W2035043E
Audi A4 B9 MMI Multimedia Sat Nav Navigation Control Head Unit 8W2035043E
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Part no. 4M0907594J
Audi Q5 FY Top Sunroof Opener Control Module Unit ECU 4M0907594J
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Part no. 6940923
BMW X5 Series E53 GM III General Body Control Module Unit ECU Lear 6940923
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Part no. 6963026
Body Control Unit BMW E46 E83 Basic Module GM5 Star12 6963026
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Part no. A0131546802
Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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BMW 3 Series E90 E90N E91N E92 E93 LCI Positive Cable Battery Lead 9125035
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Part no. 8200960533
Renault Scenic III 1.5 Dci Engine Alternator Generator 12V 120A 8200960533
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Part no. A2078205289
Mercedes C207 Rear Radio Amp Sound Amplifier Audio Getaway Becker A2078205289
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Part no. 9170717
BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9170717
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Part no. 9258173
Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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Part no. 9395177
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9395177
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Part no. 6809545
Mini F56 Interior Electrical Cable Excitement Package Wiring Harness 6809545
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Part no. A6229000500-1
Mercedes W447 109CDI BE OM622.951 Engine Control Module ECU Kit A6229000500
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Part no. 9.67848E+11
Citroen Berlingo Peugeot Partner Body Control Module BSI Unit 967847688001
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BMW Mini Cooper One R57 High PL3 SPEG DC/DC H5 Fuse Distribution Box 3455534
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Part no. 7545789
MINI Cooper R50 R52 R53 W10 116HP Engine ECU Control Unit DME 7545789 Manual
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Engine Wiring Mini F55 F56 F57 F60 Petrol B36 B38 Loom Harness Cable 8742681
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Part no. A2709002100-10
Mercedes C117 W176 45 AMG 133.980 Engine Control Unit ECU A2709002100 Automatic
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BMW 5 X5 Series E39 E53 Petrol M62 Engine Starter Motor Adapter Cable 7504737
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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046800931
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Part no. 6948576
BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576
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Part no. 8600124-4
Mini R56 LCI R60 N16 98HP Petrol Engine Control Unit ECU DME 8600124 CAS3 Key
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Part no. 6945029
BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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Part no. A2469000112
Radio Head Unit Mercedes C117 W176 W246 Navi CD Player Navigation A2469000112
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Part no. 1378481080
Peugeot Boxer Fiat Ducato 2.2 Diesel Battery Alternator Wiring Cable 1378481080
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Part no. 4N0035502B
Audi Q2 GA Wireless Charger Centre Console Phone Charging Module Unit 4N0035502B
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Part no. A2661531491-5
Mercedes W169 A180 M266.940 116HP Engine ECU Kit A2661531491 Key Lock Automatic
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Part no. 8T0959760C
Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760C
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Part no. 8583423-7
Mini R60 Cooper SD N47N 143HP Engine ECU Kit DDE CAS3 + Key 8583423 Automatic
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Audi A3 8P 2.0 TDI CBAB 140HP Engine ECU Kit Ignition + Key 03L906022BQ Manual
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Part no. A2048700594-2
Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700594
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Part no. 9177978-1
BMW E82 Coupe ECU Body Control Module Junction Box L1 PL2 JBBFE II 9177978
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Part no. 7536690-1
Starter Motor BMW E60 E61 E65 E53 E70 Petrol Engine N62N Starter 7536690
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Part no. 9226328
BMW E90 Body Control Module Junction Box H1 PL2RR JBBFE IIIR 9226328
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Part no. 6881474
BMW F01 F07 F10 F11 Tyre Pressure RDC Control Unit Module 6857938
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Part no. 9211323
Mini Cooper R55 R56 R57 Cable Wiring Set HiFi Electrical System 9211323
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Part no. 9316655
Seat Wiring BMW X3 F25 X4 F26 Driver's Side Loom Cable 9316654
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Part no. 9170702
BMW 5 Series E60 E61 LCI CCC CD Sat Nav Head Player System Controller 9170702
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Part no. 8671504
Starter BMW G20 G21 G30 G31 G01 Engine Starter Motor 8671504
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Part no. 4F9035225H
Audi A6 C6 Antenna Amplifier Control Unit Module ECU 4F9035225H
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Part no. A2118705885
Air Bag Module Mercedes W211 Control Unit ECU Airbag Sensor A2118705885
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Part no. 5K0959655
Volkswagen VW Golf Mk6 1K Air Module Control Unit ECU 5K0959655
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Part no. A2711505433
Mercedes R171 W203 Petrol Engine 271921 Wiring Harnes Loom A2711505433
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Part no. A2208703589
Navigation Player Mercedes W211 W219 DVD CD Reader Control Unit A2208703589
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Part no. 9317173-1
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V 19317173
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Part no. A9064401066
Mercedes Sprinter W906 W907 Positive Battery Cable Wiring A9064401066
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Part no. 8695512-1
BMW F80 M3 F82 F83 M4 431hp Engine Control ECU Kit DME 8695512 + FEM Module Key
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Part no. 3450247
BMW X3 E83 LCI Map Card Fuse Box Grouping Diagram 3450247
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Part no. 7555361-1
BMW 3 5 Series E60 E61 E90 E91 N52 325i 525i ECU Kit DME CAS2 Key 7555361 Manual
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Part no. 8570848
Mini Cooper One D F54 F55 F56 F57 Engine Starter Motor Diesel Bosch 8570848
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Part no. 7519721
BMW 3 5 7 X3 Series E46 E60 E61 E65 E66 E83 M54 Alternator Generator 150A BOSCH
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Part no. 55580911
Vauxhall Opel Insignia A Diesel Glow Plug Wiring Loom Cable Wiring 55580911
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Part no. 3457583-1
Mini Cooper R56 R57 High SPEG PL3 H4 Fuse Distribution Box 3455442
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Part no. 8X0915459
Audi A1 8X Positive Battery Overload Protection 8X0915459
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Audi A1 8X 1.2 TFSI CBZA Petrol Engine Starter Motor 02T911024JX
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Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186AB
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9287218
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Part no. 7540993
Alternator BMW X5 E53 Engine N62 Alternator Generator 14V 100/180A Valeo 7540993
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Camera Control Module BMW F30 F32 F82 Top Rear View Unit 6994554
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BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9292948
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Air Bag Module BMW E65 E66 Sensor Rear Seat Airbag Control Unit ECU 6960226
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Part no. 8513242-2
BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8513242 Automatic
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Part no. 1429861
BMW E38 728i M52 193HP Engine Control Unit ECU Module DME 1429861 Automatic
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Part no. 9666173080
Yaw Sensor Citroen Berlingo Peugeot Partner ESP Rotation Rate Unit 9666173080
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Part no. 7607975
Engine Harness BMW F20 F21 F30 F31 Petrol N13 Sensor Module 1 Wiring 7607975
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Part no. 04C903023T
Audi A1 8X 1.4 TFSI CZCA Alternator Generator 04C903023T
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Part no. 9201128
Rollover Controller BMW E88 E93 Mini R57 Convertible Control Unit Module 9201128
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Part no. 9112761-1
Mini Cooper R50 R52 6-Disc CD Changer Multichanger Unit With Magazine 9112761
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Part no. 6978713
BMW E60 Body Control Module ECU Control Unit KBM Basis 6978713
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Part no. 7586940-2
BMW E90 E91 325i E60 LCI 525i N53 218HP ECU Kit DME 7586940 CAS3 + Key Manual
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Part no. 7N0907530AL
Audi TT 8J Gateway Control Unit Module 7N0907530AL
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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 .