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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BMW E87 E90 E91 LCI PDC Ultrasonic Parking Sensor Tiefgruen Green A43 6956748
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Airbag Module Mercedes W169 W245 Air Bag Sensor Control Unit ECU A1698207826
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Gateway Module BMW F10 F11 Central Control Unit Lear ZGW-01 High 9236469
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BMW F22 218i B38 136HP Engine Module Control Unit ECU DME 7952885 Automatic
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Mercedes H243 EQA Sensor Battery Managment Native A7899052700
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Volkswagen Audi Skoda Seat Keyless Entry Module ECU Unit 3Q0959435Q
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Mercedes W176 W246 Diesel Fuse Box Relay Unit A2465402150
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Mercedes W212 Head Unit Audio Player Radio Sat Nav Module A2129001217
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BMW X5 E70 Amplifier Holder Audio Catch Bracket Trim Panel 6951368
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Mercedes W207 NOx Sensor Adapter Electrical Wiring Harness Cable A2074402310
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BMW E60 E61 E63 E65 Dynamic Drive Control Unit Module Front Suspension 6780590
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Audi Q7 4L Air Suspension Control Module ECU 4L0910553B
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BMW 3 X1 Series 2 E84 E90 E91 Petrol Instrument Cluster Speedo Clocks 6983494
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Nissan Primastar Renault Trafic II Body Control Unit Module BCM ECU 8200374951
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BMW Z4 E85 2.2i Petrol M54 173HP Engine Control Unit ECU DME 7548769 Manual
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Mercedes W211 Rear SAM Central Electric Base Control Module Fuse Box A2115453601
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BMW 1 3 5 E60 E87 LCI E90 N47 Preheating Control Glow Plug Unit Beru Diesel
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BMW F30 F31 340i LCI F32 F33 F36 440i B58 326HP Engine Unit ECU DME 8692964
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BMW X3 E83 3.0i M54 1 Automatic Gearbox Basic Control Unit EGS Module 7532988
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BMW F10 F11 F12 Alpine CD Radio Player Head Unit 9257484
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Fuel Flap Mini Cooper One R50 Fuel Filler Cover 0148459 Chili Red 851
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Audi A7 4G Front Door Module Driver's Side Control Unit ECU 4G8959793H
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Mercedes W910 Gearbox Module Transmission Basic Control Unit A2229001306
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BMW E65 E66 IDrive Control Unit Front Centre Console Module ECU 6947817
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BMW E87 E90 120i 320i N46 ECU Engine Control Kit DME 7550534 CAS2 Key Automatic
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Mercedes W204 Front SAM Unit Fuse Box Control Power Distribution A2129004611
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Ford Transit Custom Body Control Unit Module BCM Convenience ECU BK2T14B476CP
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Ford Transit Mk8 Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-AB
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BMW 3 F30 LCI 330e Hybrid High Voltage Battery Storage Housing Panel 8618861
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Mercedes-Benz B-Class W245 Central Gateway Control Unit Module ECU A1695403945
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Audio Amplifier BMW F20 F21 F22 Harman/Becker Active Sound Design System 9353021
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BMW E90 E91 E92 N52 218HP Engine ECU DME Kit 7594483 Automatic
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Mercedes Sprinter W906 Battery Alternator Starter Wiring Harness A9064401241
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BMW MINI Countryman F60 Wiring Harness Instrument Panel Cable 6835338
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VW Volkswagen Audi Skoda Seat Little Relay Fuse Amp 20A 12V Module 443937105
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Volkswagen Golf CD1 Wiring Harness Rear Boot Trunk Lid Tailgate Loom 5H2971147
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Mercedes W213 Air Matic DC Active Air Suspension Control Module A2139008108
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Audi Q5 FY Crash Impact Sensor Unit Module Left Right N/O/S 4N0959651D
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BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 9462544
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Audi A5 8F Cabriolet Hydraulic Roof Pump Motor Wiring Harness Loom 8F0972814
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Mini One R60 R61 N16 122HP ALL4 Engine Control Unit ECU DME 8625068 Manual
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BMW 1 3 Series E81 E87 E90 LCI 116d 316d N47 ECU Kit DDE CAS3 Key 8506434 Manual
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Audi A6 S6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223K
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BMW Mini One R55 R56 Automatic Gearbox ECU Control Unit EGS Module 7579135
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BMW F20 F30 125d 325d N47S1 218HP Engine Control Unit ECU DDE 8579785 Manual
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BMW 3 5 Series Mini Cooper E60 E93 R56 R60 IBS Negative Battery Lead 6938568
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Audi A1 8X Battery Terminal Fuse Socket Retainer 6C0915343A
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Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506
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BMW 7 Series E65 E66 730d M57N ECU Kit DDE 7792925 + CAS / ZAS + Key Automatic
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BMW 3 F30 LCI 330e B48X HV Accumulator Battery Negative Cable Ground 7544892
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BMW F20 F30 F31 116i 316i N13 136HP Engine ECU Control Unit DME 8625241 Manual
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BMW 3 5 6 E60 E63 E90 Dashboard Onboard Monitor Display Screen 8.8
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BMW E60 LCI E90 E70 3.0sd 335d 535d M57N2 Engine ECU Kit DDE 7805287 CAS3 Key
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Mercedes W164 Sam Control Module Fuse Box Unit A1644403101
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Mini Cooper S F55 F56 B48C 192HP Petrol Engine ECU Kit DME 5A16617 + BDC + Key
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Ford Transit Mk8 VI Fuse Box Module Positive Battery Terminal GK2T-14B144-GA
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BMW F20 F21 LCI F22 M140i B58 340HP Engine ECU KIT DME 9894913 FEM + Key
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KaFAS Module BMW F10 F20 F30 Mini F55 F56 Assist Camera Control Unit 6839769
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BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897
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BMW E87 E90 F20 F30 Engine Starter Motor Actuator N47 N47N Diesel 0001109070
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Head Unit BMW F22 F23 X3 F25 F32 F33 F36 Navigation Sat Nav DAB Harman 9877373
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Skoda Octavia II On-Board Power Unit BCM Body Control Module 3C8937049AC
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BMW X3 Series E83 3.0d M57N2 218HP ECU Kit DDE + EWS + Key 7805350 Automatic
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Audi A4 B7 Audio Radio Aerial Amplifier Control Unit Harman Becker 8E9035223D
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Voltage Terminal BMW X3 G01 X4 G02 Battery Power Distributor 600W 8781486
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BMW F20 F30 125d 325d N47S1 Engine Control Unit ECU DDE 8582521 FEM Lock Key
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BMW 3 Series E46 Door Wiring Loom Harness Co-Drivers Passengers Side 8383351
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YUASA YBX 3000 12V Accumulator Battery 45Ah 440A YBX3063
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BMW E39 Cruise Control Unit Module 8375497
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Mini R57 Fuse Box Board PL3 SPEG 3457167
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Fuse Box Citroen Relay Peugeot Boxer Fiat Ducato Engine Bay Relay Box 1388601080
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Mercedes-Benz E-Class A207 Left Door Wiring Cable Harness A2074401809
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Audi S3 8Y Rear Boot Trunk Lid Tailgate Control Unit Module ECU 5QS959107A
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Mercedes W639 111CDI OM646.982 Engine Control Unit ECU Kit A6461532891 Key Lock
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Mercedes W212 SAM Fuse Prefuse Box Relay Control Unit A2125406950
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BMW 5 X5 Series E39 E53 Light Check Module Control Unit ECU Lear LCM IV 6935462
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BMW E46 M3 S54 343HP ECU Engine Control Unit Kit DDE 7835564 CAS3 + Key Manual
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Mercedes W447 109CDI BE OM622.951 88HP Engine Module ECU Kit A6229000500 Manual
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129005622
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Seat Wiring BMW X5 E70 LCI Sport Memory Cable Loom Set Passenger's Side 9277235
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Mini One R56 LCI 90HP N47N Diesel Engine ECU Kit DDE CAS 3 Key 8506666
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Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203
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BMW Z4 Series E85 Roadster Passenger Side Door Wiring Loom Cable 6933959
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BMW F20 F30 F31 LCI 118i 318i B38 136HP Engine ECU Kit DME 8674265 + FEM + Key
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Mercedes Sprinter W910 Wiring Loom Cable Harness A9105409455
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Mini R56 LCI One 55kW N16 1.6 75HP Engine ECU Kit DME CAS 3 + Key 7620987
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Mercedes W205 C 220d 651.921 170HP ECU Kit A6519005203 SAM 2 Keys Lock Automatic
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Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
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Mercedes W164 ML350 CDI 642.820 231HP Engine ECU Kit A6429002900 Ignition + Key
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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 .