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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Battery Cable VW Polo 6R Audi A1 8X Starter Alternator Wiring 6C0971349MD
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BMW F20 F21 F30 F31 N13 116i 316i 136HP Engine Control ECU DME 7640755 Automatic
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945144
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Mini Cooper R55 R56 LCI 1.6 N16 122HP Engine Unit ECU DME 7615981 2 Keys CAS3
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Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A
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Mini Cooper One R50 R52 R53 Side Air Module Control Unit 6933242
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BMW X5 E53 Flap Radio Partition Mounting Part Cover Dashboard 8408783
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BMW E53 4.4i M62 286HP Engine ECU Kit DME 7508698 + EWS3 + Key Automatic
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BMW 1 3 X5 Series E53 E81 E87 E90 LCI Battery Mounting Bracket Clamp Bolt Holder
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SD Card Mercedes W205 C238 Garmin Map Pilot Navigation Europe A2139063605
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Volkswagen Scirocco Mk3 Rear Number Plate Wiring Harness Cable Loom 1K8971104S
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BMW X1 F48 Dashboard Monitor Display Central NAV Information Screen 6,5" 8803369
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MINI Cooper R53 W11 170HP Engine ECU Kit DME 7527610 EWS Keys Manual
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Audi A3 Starter Motor Engine Diesel 02E911023H
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BMW 5 6 Series E60 E61 E63 6-disc Compact CD Changer Without Magazine 6986081
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Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU A0024463140 Automatic
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Land Rover Range Rover L322 3.0d M57 306D1 Gearbox Control Unit Module TGB000091
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BMW X3 G01 X4 G02 X5 G05 Battery Terminal Negative Cable Wire Wiring 8796289
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BMW E81 E82 E88 N43 118i 143HP ECU Unit Kit DME CAS3 7640015 Lock + Key Manual
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BMW E93 E93N LCI Control Unit Module Passive Go 9147052
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USB SD Card Module Mercedes C205 W213 Multimedia Reader Port Socket A2138200400
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Ford Transit Custom Fuse Box Module Engine Wiring Loom Harness BK2T9K499ACH
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Audi A4 B9 Battery Positive Terminal Cable Plus Pole Wiring Harness 8W0915459E
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BMW F30 LCI 330e Hybrid High Voltage Battery Electronics Unit 8661800
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Mercedes W221 Receiver Control Unit Module A2218208889
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6970685
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BMW F07 BCM Body Control Module Unit Controller 9222071
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Mercedes-Benz W202 W208 W210 ESP + BAS Control Unit Module ECU A0315450732
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Alternator Mercedes W638 OM611 Engine Alternator Generator A0131541702
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Mercedes Vito Viano W639 Fuse Box Cover Trim Panel Lid Housing A6395450403
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BMW 3 5 X5 Series E39 E46 E53 3.0i M54 Generator Alternator 120A VALEO 7501593
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BMW F45 F46 Body Domain Controller BDC Control Unit Module LR01 ECU 9387232
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Headlight Module BMW F06 F12 F13 Xenon Headlamp Control Unit AHL 7316211
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BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118707226
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Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 65776970904 6970904
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BMW 5 Series E60 E61 530d M57N 218HP ECU Kit DDE 7796637 + CAS2 + Key Manual
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BMW E90 E91 LCI 318d N47N 143HP ECU Engine Control Unit DDE 8507202 Manual
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Mercedes R172 BlueEFFICIENCY 271.861 184HP Engine ECU Kit A2711500391 Keys Lock
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Rain Sensor Mercedes SLK R172 W204 Front Windscreen Control Unit A2049017901
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Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9170702
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Volkswagen Polo 6R 1.2 MPI CGPB 60HP Engine Control ECU 03E906023AL Manual
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Mini R50 Petrol W10 Engine Wiring Loom Harness Automatic Gearbox 7520936
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Mercedes W906 Central Lock Locking Control Unit Module A9069003304
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BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 9119496
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Battery Cable Mercedes Vito W639 Negative Lead Wiring Harness A6395460121
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ConWys AG CFC Towing Hitch Trailer Hook Module Control Unit ECU LED TM005
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9329953
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BMW 3 Series E90 E92 E93 M3 Battery Alternator Starter Cable Wiring 7838512
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Battery Cable BMW F90 M5 F91 M8 Wire Lead Positive Alternator Starter B+ 7856819
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BMW E60 E90 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC 9151979
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Navigation Head Unit BMW i3 I01 Mini F55 F56 Basic Control Unit Module 9365844
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BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 8709216
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS 4 + Key Manual
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DURACELL Extreme AGM Car Battery 12V 80Ah 800A
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BMW 7 Series E65 E66 PDC Parking Ultrasonic Front Sensor Oxford Green 2 2241245
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Mercedes W212 E200 BlueEFFICIENCY M271.860 184HP Engine ECU A2711500391
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Ford Transit Connect Starter Motor Engine Diesel 2T1411000BC
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Mercedes W124 M103 Bracket Alternator Mount Holder Support A1031550435
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Audi A6 C6 Avant Rear Bumper PDC Wiring Loom Parking Sensor 4F9971085E
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VW Volkswagen Sharan 7N Rear Left Right Door ECU Module Control Unit 7N0959794G
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BMW X1 E84 20dX N47 177HP Engine Control ECU Kit DDE 8512498 Automatic
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Mini Paceman R61 Footwell Light Module High EKS ECU LEAR PL3 FRM 3457403
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Mercedes W212 OM651.924 E220CDI 170HP Engine Unit ECU Automatic A6519000503
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Bosch S5 A08 Accumulator Battery 70Ah 760A 12V
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Mercedes-Benz E S R Class W211 W221 W251 Replacement Fuse Kit A0005460373
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BMW F20 M135i F22 M235i F30 335i N55 Engine Unit ECU DME 8639582 Automatic
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BMW F32 Harman Head Unit Sat Navi Multimedia Radio CD Player 8718144
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Mercedes ML W164 Remote Control DVD Media Entertainment Display A1648204189
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Renault Master 2 Opel Vauxhall Movano A 2.5 DCI Engine Starter Motor 7711134330
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Mercedes ML W163 Fuse Relay Box ECU Cover Trim A1635400382
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BMW F45 F48 F15 F31 F36 Mini F60 Trunk Lid Automatic Lift Control Module 9491419
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Mini Cooper D F55 F56 B37 Engine Injector Wiring Harness Cable Loom 8518411
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Navigation Processor Mercedes W176 W212 Control Unit Module NTG 4.5 A1728100011
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Mercedes W221 Gateway Control Unit Module ECU A2215407045
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Ford Transit Mk7 2.2 TDCi Euro 4 Diesel Engine Wiring Loom Cables 6C1T12B637JF
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Audi A7 S7 4G Display Dashboard SatNav Multimedia Infortaiment Screen 4G8857346G
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BMW X5 Series E53 Professional CD Radio TMC 6922510
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Seat Module Mercedes W204 W212 Memory Control Unit Driver's Side A2129005200
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Mercedes W166 C207 Front Rear PDC Parking Distance Sensor Tenorite Grey - 755
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BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Mercedes R231 Electrical Active Body Control Module Unit ECU A2319006107
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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 .