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. A2128270228-COS
Mercedes S212 Estate Roof Antenna Cover Shark Cosmos Black Metallic - 303
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BMW E85 Roadster Cabrio Safety Information Air Module 6939811
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Mini Cooper R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456987
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Body Control Module Mercedes W117 W176 W242 W246 Fuse Box Sam A2469008510
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Alternator Generator BMW F07 F10 N57N N57Z Diesel Engine 230A Valeo 8570672
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Mercedes Sprinter W906 Fuse Box Relay Module Control Unit A9065454401
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BMW X3 Series E83 E83N LCI Support Bracket Navigation Computer 3405141
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Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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BMW 1 3 Series E81 E90 LCI Business System Car Infotaiment Computer CIC
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Mercedes-Benz B-Class W245 180CDI Engine Wiring Harness Loom Cable A6401504033
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Mini Cooper F54 F55 F56 ECU Body Domain Controller BDC Module Unit 5A402F3
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IBS Cable BMW E93 Negative Battery Lead Wiring Harness Control Unit 7587465
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Air Module Mini R50 R53 Side Control Unit ECU 6915886
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Audi TT FV Stereo Radio Sound System Speaker Amp Amplifier 8S0035465B
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BMW 3 Series E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM3R 9224593
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Sam Module Mercedes S205 Relay Fuse Box Rear Control Module In Trunk A2059007437
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Mini Cooper One R56 High SPEG Fuse Distribution Box H1 3450824
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Mercedes C E Class W203 W211 Bluetooth Control Unit Module ECU A2118702726
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Audi S5 8T Quattro 4.2 FSI Petrol V8 CAUA Alternator Genarator Valeo 079903015F
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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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Land Rover Freelander TD4 Starter Motor Engine Actuator Diesel NAD101500
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU Engine Control DDE 8510829 Manual
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Surround View Camera Mercedes W205 W447 Camera Control Unit Module A2059002629
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BMW E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Mercedes W166 W176 W246 Radar Sensor Front Control Unit Module A0009051302
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BMW X5 E70 LCI Light Module Footwell Module FRM3R Lear ECU Unit 9249073
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Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
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BMW E39 E46 Mini Cooper R50 EWS3 Control Unit 3 Immobiliser Module ECU 6905666
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Parking Module Mercedes W169 W245 PDC Distance Control Unit Sensor A1695400762
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Audi Q7 4L Door Control Unit Module ECU Front Right O/S 4L0907290A
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Mercedes W246 Front Bumper Parking Sensor PDC Wiring Harness A2465400703
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BMW 3 Series E91 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6987999
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Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801
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Mini Countryman F60 Audio Amplifier Hifi Unit Active Sound Design System 5A4E600
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Mercedes R171 SLK 200K 163HP 271.944 Engine ECU Kit A2711535391 Keys Lock
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Ford Transit Mk6 Alternator Engine Generator Valeo 2C1T10300BA
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Ford Transit Connect Fuse Box Power Distribution Junction Relay 2S6T-14A073-AC
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Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
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BMW X3 E60 E83 Front PDC Parking Distance Sensor Titansilber Silver 6989082
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Starter Motor Mercedes W163 R170 W210 W901 Diesel Engine Actuator A0051510601
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Audi A6 C6 Bluetooth Multimedia Interface Control Module Unit ECU 4E0910336MX
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BMW E88 Body Control Comfort Unit Module BCM Unit ECU 9305738
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BMW E60 530i E90 330i N52 258HP Engine Control Unit ECU DME 7561684 Automatic
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BMW E60 E61 LCI N47 520d 177HP Engine Control ECU DDE Kit 7812500 Automatic
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Audi A3 8P Yaw Sensor ESP Rotation Rate Control Unit Module 1K0907655A
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Head Unit BMW F20 F21 F22 F30 F31 F82 LCI Sat Nav Radio Media Navigation 8736162
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BMW X3 E83 Steering Control Module Unit Servo SVT Servotronic 3404171
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BMW F30 330e HV Accumulator Battery Clamp Pyro Fuse Auxiliary Connector 9343605
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Mini R50 R53 6-Disc CD Changer Multichanger Without Magazine 6983334
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BMW E90 E92 335i Petrol N54 306HP ECU Engine Unit Module DME 7586933 Automatic
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BMW E61 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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Mercedes W211 Alternator Generator A0121549802
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Mini One 1.6i R50 W10 90HP Engine ECU Kit DME 7520019 + EWS + Key Automatic
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Air Module Mercedes ML W166 Interior Safety SRS Control Module A1669001311
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Starter Motor Mercedes Sprinter W906 OM651 Diesel Engine 0986021360
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Body Control BMW F22 F23 F30 F32 F33 F36 BCM Module Unit ECU 9868384
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Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085
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Mercedes ML W166 C216 W221 Auxiliary Additional Generator Battery A0019822708
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BMW F10 F11 520d ed N47N 184HP Engine ECU Kit DDE 8517862 Key CAS4 Manual
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BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 9176953
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BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 6943834
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Mercedes W221 Gateway Control Unit Module ECU A2215407045
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Part no. A9064402341
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064402341
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Part no. 9224598
BMW 3 Series E92 Max Brose Footwell Light Module Control Unit ECU FRM3R 9224598
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Audi A3 8P 2.0 TDI 140HP Diesel Engine Control Unit ECU Module DSG 03G906016DT
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Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME 7641003 CAS3 + Key Manual
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Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207026
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Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
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Display Screen Mercedes W176 W246 Central Information Dashboard Dash A2469016002
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Mercedes-Benz A-Class W168 Sensor Mat Seat Occupation Recognition A1688207310
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BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic
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Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Denso 8634167
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Mercedes W169 Fuse Box Cover Trim Panel A1695450003
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BMW 3 E36 Coupe Saloon Aerial Antenna Amplifier Signal Booster Module 1387751
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BMW 3 5 X3 Series E46 E60 E65 E83 5 M54 Petrol Engine Starter Motor 2354693
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Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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Mercedes W221 Air Suspension ABC Control Unit Module A2219009603
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BMW F20 M135i N55 326HP Engine Control Unit ECU DME 8626762 Automatic
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Mini Cooper R50 R53 Rear Battery Hold Down Strap Retaining Bracket 6917738
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Body Control Module BMW X3 F25 ECU Junction Box JBBFE III 3 Lear 9304587
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Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064CQ
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BMW 1 3 5 Series F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335B
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BMW E87 ECU Junction Box Body Control Module L2 61359119494 9119494
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BMW E91 Touring Body Control Module Unit Junction Box KL PL2RR JBBFE 9229885
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Fiat Doblo Positive Battery Cable Lead Wire Electrical Cable 51871154
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Audi A6 C6 Electric Parking Hand Brake Module Control Unit ECU 4F0907801B
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Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit
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Part no. 7823344-2
BMW F20 F21 F30 F31 F32 N47N Diesel Alternator 175A 7823343 7823344
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Mercedes W176 W246 180 CDI 607.951 109HP Engine Unit ECU Automatic A6079002300
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BMW 3 Series E90 E91 E92 E93 Engine Starter Motor 0 986 021 230
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Part no. A2215408745
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745
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BMW F20 F30 116i 316i N13 136HP Engine ECU Module DME 7636292 Manual
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Mercedes-Benz C W204 Rear Left N/O/S Right Door Wiring Loom Harness A2045407609
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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 .