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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Ford Transit Mk8 Relay High Power 4-Pin FoMoCo Set X4 GU5T-14B192-GA 4RA933714
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Audi Volkswagen PDC Parking Distance Control Sensor Black 1S0919275D SET X4
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Volkswagen New Beetle 1.4 TSI Petrol Engine Starter Motor 02Z911023E
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Mercedes W213 Centre Console Wiring Harness Cable Loom A2135407421
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Banner Running Bull Pro Car Battery Start Stop 58511 EFB 85Ah 780A
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BMW E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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BMW F20 F21 116d N13 136HP Engine ECU Kit DDE 8570933 Key Lock FEM Manual
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BMW E87 Junction Box ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9253482
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Audi A3 RS3 8V AMR Module Rear Suspension Damper Control Unit 8V0907376E
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Audi A3 8V Gateway Diagnostics Interface Control Module 3Q0907530AC
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BMW E60 E61 Armrest Centre Console Storage Tray Box Support Mount 7115000
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Audi A3 8P Negative Cable Battery Terminal Wiring Loom 1K0915181C
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BMW i3 I01 Rex Hybrid 60Ah 94Ah Basic Base Body Control Unit Module REME 8650657
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BMW E60 LCI E90 325d 525d M57N2 197HP ECU Kit DDE 8509034 CAS3 Key Manual
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Audi A4 B8 A5 8T Parking Module Electric Brake Control Unit 8K0907801G
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Engine Wiring Mercedes W212 OM642 Loom Cable Harness Control Module A6421501189
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NAPA AGM Accumulator Car Battery Electrical Unit 70Ah 760A 12V AGM096N
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Gearbox Wiring BMW F10 F11 Diesel 525d N57 Automatic Engine Loom Harness 8507357
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Mini Cooper R57 Footwell Light Module Unit High EKS PL3 FRM3R Lear 3456952
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Audi A4 7B 2.0 TFSi D6G519 Engine Starter Motor 06D911023
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Audi Q3 8U Air Module ECU Sensor Control Unit 8U0959655D
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Renault Master 3 Fuse Relay Box Control Unit USM 284B67653R
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BMW F30 320i N20 184HP ECU Kit Engine Control Unit DME 8606306 Key FEM Automatic
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Mercedes Sprinter W906 313 CDI 651.955 129HP Engine ECU Kit A6519000601 Key Lock
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Head Up Display BMW E60 E61 Hud Projector Dash Screen Module 9126346
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Mini Cooper F54 F56 F60 JCW B48E 306HP Engine ECU Kit DME 5A4C367 BDC Key
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BMW Disc Professional Navigation DVD Road Map Europe 2012 2218522
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BMW E60 E61 LCI E90 E93 330i 530i N53 272HP ECU Engine Control DME 7588620
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Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key Lock
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BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU DDE 7823799 Automatic
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Mercedes C118 W177 H247 Interior Roof Headliner Reading Light A0009001524
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Platinium Start Stop Plus AGM Accumulator Battery 95Ah 850A 12V
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Mercedes W213 Full Display Widescreen Glass LCD Instrument Cluster A2135402840
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Mercedes X156 GLA200 M270.910 156HP Engine Control Unit ECU Kit A2709002900 Key
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BMW G20 M340dX B57D30B XD5T 340HP Engine Control Unit ECU DDE 7827051 Automatic
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BMW 1 er E82 E88 120i N43 Positive Battery Lead Cable Wiring Petrol 9205477
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BMW X3 E83 M54 2.5i 192HP Engine Control Unit ECU DME 7541335 Manual
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Mercedes C204 Wiring Cable Harness Front Driver Door Wiring Loom A2044400538
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Mercedes W176 W246 Display Screen Android 13 Radio Navigation Unit 8+256GB
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Air Module BMW F01 F10 X5 F15 X6 F16 F22 ECU ACSM4 Control Unit 9461916
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Air Module Unit BMW F10 F11 F30 F31 F25 F12 F13 X3 F25 ECU Control 9319493
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Mercedes W221 Antenna Amplifier Roof Rear Aerial Module Unit A2218208189
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Air Module Mercedes W166 X166 SRS System Control Unit ECU A1669001609
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Ford Fiesta MK7 Radio Stereo CD Player Head Unit 8A6T18C815BN
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Exide Car Battery AGM EK720 72Ah 760A Accumulator
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BMW X3 M F97 X4 M F98 S58 510HP Engine Control Unit ECU DME 9796607 Automatic
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BMW 7 er E65 E66 E67 TV Video Module Control Unit Tuner 6939049
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9869887
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Alternator Support Nissan Qashqai Renault 2.0 dCi Engine Bracket 8200881264
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Part no. 8510593-1
BMW E81 E82 E87 LCI E88 N47S 123d 204HP ECU Kit DDE 8510593 CAS 3 Key Manual
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Ground Line BMW G11 G12 G20 G30 G31 Battery Earth Cable Wire 8633997
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Citroen Relay III HV Battery Negative Minus Terminal Clamp Control Unit 52151256
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Ford Transit MK6 2.4 TDDI Diesel Engine Control Unit ECU 2C1A12A650EA Manual
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Mercedes Vito W447 Rain Light Sensor Windscreen Control Unit Module A4479051203
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BMW 5 6 Series E60 E63 E64 530i 630i N52 ECU Kit DME CAS 2 Key 7555361 Automatic
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Mini R52 Convertible Body Control Unit Basic Module BCM BC1 RD Unit ECU 6982115
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BMW G20 G22 X5 G05 X6 G06 X7 G07 Integrated Relay Power Supply Module 8490530
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Mercedes E-Class S211 W211 Battery Tray Holder Mounting Bracket A2115454840
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Audio Amplifier BMW F30 F31 LCI F36 Top Hifi Harman Kardon Control Unit 9390140
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Noise Suppresion Filter Mercedes CLA C117 C217 W222 Antenna Module A2229820004
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Mercedes W211 Front Drivers Door Left N/S Control Module A2118701126
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BMW F01 F02 F07 Air Suspension Control Unit Module 6795086
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Mercedes W639 Automatic Gearbox Control Unit Module ECU A0005458416
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BMW F20 F21 116i F30 316i N13 136HP Engine Control Unit ECU DME 8610484 Key FEM
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BMW X5 E60 E61 E65 E70 Longitudinal Seat Adjusment Drive Motor
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Mercedes W212 VDO Transmission Control Unit Module EGS A0015452716
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Alternator BMW X3 E46 X5 E53 E85 Diesel Generator 150A 7797660
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Mercedes AGM Accumulator Battery 70Ah 720A 12V Varta A0019828008
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BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7576670 Manual
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BMW E60 E90 E91 LCI 330i 530i N53 272HP ECU Kit DME 7616431 CAS3 + Key Automatic
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Jaguar XF Range Rover Sport L320 Radio CD Player Sat Nav Head Unit CF6N18C815HC
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Mercedes W164 W251 Fuse Box Relay Module Control Unit A1645403772
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Renault Laguna 3 III USDM-PTF USM Fuse Box Control Unit Module ECU 284B60012R
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Manual
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BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9197127 9205279
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Audi Q7 4L Sat Navi Navigation Drive Reader DVD Player Unit 4E0919887D
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Radio CD BMW X3 E83 Z4 E85 E86 Business Player Control Unit Module 6932428
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Mercedes W176 A180 CDI OM607.951 BE 109HP Engine ECU A6079002200 Manual
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BMW E82 E88 125i N52N 218HP Engine Control ECU Kit DME 7614359 Manual
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BMW F20 F21 116d N47N 116HP Engine ECU Kit DDE 8570933 Key Lock FEM Manual
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Audi A1 8X Engine Control Unit Module ECU 1.4 TSI CAXA 122HP03C906016BG
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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 .