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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PDC Control Unit Mini R55 R56 R57 R58 R60 R61 Parking Sensor Module 3450085
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Audi Q2 GA Q3 F3 Rear Boot Trunk Lid Tailgate Control Unit Module 5Q0959107AB
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TV Tuner Mercedes ML W164 W211 CLS C219 Video Control Unit Module A2118704390
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Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
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BMW E60 Body Control Module ECU Control Unit KBM Basis 6978713
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Audi Q5 8R 2.0 TDI CJCA Diesel Engine Alternator Generator 03G903016G
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Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718205226
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Audi TT 8N Air Module Control Module Unit ECU 8N0959655B
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Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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Mercedes Sprinter W901 OM602 Engine Control Unit ECU Module A0215455632 Manual
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Mini Countryman R60 CAS3 Control Unit Key Reading Module 9389115
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BMW X5 E70 Aerial Antenna Amplifier Diversity 9193847 9134281
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On-Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen 8,8" 9194064
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Ford Transit Custom Mk8 Negative Battery Cable Wire Terminal BK2V14301FB
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BMW 1 Series e87 ECU BODY CONTROL MODULE H2 61359131778 9131778
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M-Audio Controller BMW E60 E61 E63 E64 Radio Player M-ASK CD Head Unit 6955346
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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459
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Audi Q7 4L Air Suspension Adjustment Module Control Unit ECU 4L0907553
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BMW X5 E53 3.0d M57N Wiring Loom Harness Engine Automatic Gearbox
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BMW 1 2 Series F20 F21 F23 LCI Top Hifi Audio Amplifier Harman Kardon 9307293
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BMW E60 E87 LCI E90 E91 N47 Preheating Control Glow Plug Unit Diesel Hitachi
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BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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BMW 3 Series E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8512291 Manual
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS
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VW Volkswagen LT 35 Glow Plug Module Relay Control Unit Black 2D0911253
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Volkswagen Tiguan 5N Module BCM Body Control Unit Module ECU 3C0937049E
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BMW F30 F80 M3 Rear Third Stoplamp Stop Lamp Brake Cover Trim 7259877
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Negative Battery Cable BMW E90 E91 E92 E93 Minus Pole IBS 7616200
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Volkswagen VW Passat B7 Driver's Seat Control Unit Module ECU 3C8959760E
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Mercedes C238 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2385407716
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Mercedes X253 Front Bumper PDC Wiring Parking Sensor Loom Harness A2535406430
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BMW X3 E83 Telematics Bluetooth Control Unit Module 9181881
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Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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Mercedes W910 OM651 Engine Alternator Generator Bosch A6519065200
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Audi A4 B9 Rear Hatch Boot Lid Tailgate Opening Control Module Unit 3G0962243D
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BMW X3 Series E83 Wiring Passenger Side Loom Front Door Cables 3427751
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BMW F10 F12 F13 F20 F22 F30 F31 Navigation Radio Sat Nav Head Unit High 6832270
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Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479009609
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Mercedes Sprinter W907 W910 Body Control Module BCM V2 ECU A9079000305
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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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Part no. 7317512
BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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BMW X3 F25 Front Seat Control Unit Module ECU Left Right N/O/S 9369123
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BMW E46 Rear Antenna Aerial Amplifier AM/FM 6912824
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BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch
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Head Unit Mercedes CL203 CLC CD Player Radio Audio Telephone Unit A2039000100
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Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434
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BMW F10 Touch Detection Module Steering Wheel Control Unit HOD F45 i3 6867308
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Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
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Ford Transit Connect Engine Control Unit ECU 9TGH Module 1.8 TDCi 9T11-12A650-GH
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Audi Q5 FY Alternator Generator Valeo 2.0 TFSI 06L903027
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Mercedes W221 Air Suspension Control Unit Module Airmatic A2215404062
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Audi TT 8S Module BCM Body Control Unit Module ECU 5Q0937084BR
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BMW F10 M5 F12 F13 M6 F07 X5 F15 Starter Motor 428000-8530 12V 7612815
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BMW E90 320si 173HP N45 Petrol Engine ECU Kit DME 7560955 + CAS2 + 2 Keys Manual
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Audi S3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433C
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BMW E46 Inclination Indicator Alarm Tilt Sensor Module 6923215
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Mercedes S212 Estate Fuse Box Rear SAM Module Relay Control Unit A2129004201
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables Set 8635811
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Mercedes C207 E250 CDI BE OM651.911 Engine Unit Module ECU Kit A6519005301 Key
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BMW F07 GT F10 F11 Engine Wiring Loom Harness Cables M57Z Diesel 8507981
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Radio Business BMW X3 E83 Z4 E85 E86 CD Player Head Unit 4154935
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BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608
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BMW E61 E65 Suspension Air Supply Compressor Control Unit
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Mercedes W204 W451 Negative Cable Battery Terminal Wiring A2045421518
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Audi A4 B8 Body Control Unit Basic Module BCM 8K0907063
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BMW Mini One R56 N12 1.4 N12B14A 95HP Petrol ECU Kit DME 7589971 + CAS3 + 2 Keys
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Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 09132701
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Mercedes W205 W222 Door Module Front Left N/S Control Unit ECU A2229001809
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Mercedes-Benz E-Class A207 W207 Convertible Air Module System Control Unit
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059003729
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BMW F20 F21 M135i N55 326HP Petrol Engine Control Unit ECU DME 8626472 Automatic
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Mercedes Vito W639 Wiring Harness Rear Boot Trunk Lid Tailgate Loom A6394405109
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BMW 5 6 Series E60 LCI E63 CHAMP Business System Controller CD Player 9149242
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511507386
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Mini Cooper R56 LCI R58 N16 1.6 122HP Engine ECU Kit DME 8625068 CAS 3 + Key
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BMW X3 F25 Positive Battery Clamp Point Cover Wiring Loom 9192665
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Audi Q2 GA Front Camera Module Lane Assist Control Unit 2Q0980653G
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Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698207126
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Mini Cooper F54 F55 F56 ECU Body Domain Controller BDC Module Unit 5A402F3
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BMW 3 Series E90 ECU Body Control Module H1 61356968034 6968034
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Mercedes W203 C220CDI OM611.692 116HP Engine Unit ECU Kit A6111537779 Key Lock
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BMW Z4 E85 Roadster Cabrio Safety Information Module Airbag 6938264
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Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C
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Mini Cooper R57 Wiring Loom Harness Rear Trunk Lid 9278356
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Mercedes-Benz S-Class W220 Tailgate Boot ECU Control Unit Module A2208201317
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Audi A6 S6 C6 Body Comfort Module Convenience Control Unit 4F0907289J
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Part no. 8708257-1
Head Unit BMW F20 F21 F22 F30 F31 LCI Sat Nav Radio Media Navigation 8708257
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BMW E60 E81 E87 E90 E91 E92 E93 CAS3 Control Unit Key Reading Module 9278745
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Mercedes ML W163 Seat Module Control Unit Front Left Right N/O/S A1635452132
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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 .