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 X5 E60 E61 E65 E70 Longitudinal Seat Adjusment Drive Motor
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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283E
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Audi A5 8T Windscreen Rain Sensor Control Unit 8U0955559B
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Flap System Motor BMW E81 E82 E87 LCI E88 Top Active Cooling Flap Unit 6938297
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BMW X3 G01 Headlamp LED AHL Adaptive Headlights Control Module FLM 01 7472765
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Airbag Module Mercedes C118 W177 W247 Front Air Bag Control Unit ECU A1779006604
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Mercedes ML W163 Stability Controller 4ESP Unit Module ECU A1635458032
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Volkswagen VW New Beetle 1.9 TDI BSW Engine Unit ECU Kit 038906019NN Key Manual
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BMW E39 E46 Mini Cooper R50 EWS3 Control Unit 3 Immobiliser Module ECU 6905666
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Audi A3 8P TT 8J A4 B7 Ipod Interface Multimedia Storage Compartment 8E0857925B
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BMW F40 ACSM5 Control Unit Air Module ECU Control Module 5A656B7
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BMW 5 X3 X5 Series E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black
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MINI Cooper S R55 R56 LCI R60 Alternator Generator 150A Petrol 7604782
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BMW Mini Cooper One R50 R53 Aerial Base Roof Antenna 6920279
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BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9241005
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Mercedes W212 Fuse Box Control Unit Module SAM Relay Box A2129008307
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Mini F55 F56 F57 Central Cover Information Instrument Radio 9367672
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BMW 3 Series F30 F80 M3 Battery Cover Trunk Trim Panel Right Boot 7239175
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Audi TT FV 8S 2.0 TFSI CHHC 230HP Quattro Engine ECU Kit 06K907425B BCM Key
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BMW E81 E82 E90 E91 N47 Alternator Generator 180A Autoelectro 7802261
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147221
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Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
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Headlight Ballast Control BMW F06 F12 F13 F15 F16 LED Adaptive Module 7316210
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Mercedes W204 Dashboard Dash Navigation Central Display Screen Monitor
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Alternator Generator BMW E60 E63 E65 E83 LCI E90 Diesel 170A LRA02319
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BMW F10 F20 F30 F31 Mini F55 F56 Front Heated Seat Control Module ECU 7490465
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Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav High Control Module 9365764
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Mercedes W176 W246 200 CDI 651.930 136HP Engine Unit ECU A6519009702 Manual
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Mercedes W204 W212 Tyre Pressure Check Monitor Control Unit Module A0009003704
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Mercedes ML W164 Parktronic Parking Control Unit Module A1645453316
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Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
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Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655BT
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BMW F22 F23 F30 F31 LCI 218i 318i B38 136HP Engine ECU DME 8662411 Manual
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Mini Cooper R50 R52 6-Disc CD Changer Multichanger Without Magazine 6913388
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BMW E83 Light Control Module Lear LM MAN.LWR 3413318 61313413318
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Mercedes W212 Cover Fuse Box Trim Panel Lid A2125400382
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Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434
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Relay Box BMW E60 E61 E63 E64 Rear Power Distribution Fuse 6906558
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BMW E81 E87 LCI E90 116i 316i 1.6 N43 ECU Kit DME 7583225 CAS3 Key Manual
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BMW F20 F21 F30 F31 Business Navigation Sat Nav Head Unit Player 9365833
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Mercedes-Benz S W221 Valve Block Air Suspension Control Unit Module A2123200358
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Mercedes W211 SAM Module Fuse Box Relay Control Unit A2115456101
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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
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Toyota RAV4 2.0d 1CD-FTV Diesel Engine Control ECU Manual Gearbox 89661-42A10
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Mercedes Sprinter W910 314 CDI OM651.958 143HP Engine ECU Kit A6519003603 Manual
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BMW E92 LCI Footwell Xenon Light Control Module Lear FRM3R PL2 9263798
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BMW 5 7 Series E60 E65 Sunroof Sliding Roof Drive Unit Motor Actuator
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BMW Mini Cooper One R50 R53 Fuse Box Cover Black 1480793 61131480793
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Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6949289
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Ignition Wiring Harness Mini Cooper One R55 R56 R57 Injection Valve 7567119
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Volkswagen Touareg 7L Entry Module Keyless Go Control Unit ECU 3D0909139B
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Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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BMW E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Audi A8 D4 Dynamic Air Suspension Control Unit Module ECU WABCO 4G0907553G
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Mercedes W639 Vito OM646.980 116HP Engine Module ECU Kit A6461507172 Key Lock
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BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU Kit DME 7579142 CAS3 Key Manual
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Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072
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Steering Column Switch BMW E87 E81 E91 LCI Cluster Wiper Stalk 9123043
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Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223M
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BMW 5 E60 Light Control Module Unit Lear LME6X MAN LWR LCM Delphi 6941592
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BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608 8578609
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BMW E93 Body Control Module Junction Box ECU PL2 JBBFE H1 9134479
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BMW Z4 E85 2.5i Engine M54 192HP Engine ECU Kit EWS3 + 2 Keys 7527072 Manual
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Mini Cooper One R50 DME Petrol Engine Control Unit ECU 7514587 Manual
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Mercedes C219 CLS350 CDI OM642.920 Engine Module ECU A6421501230 Automatic
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Bluetooth Module BMW E81 E87 E90 E91 Hands Free High MULF2 Harman Becker 9183373
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Communication Module BMW M4 F82 Telematic Bluetooth Control Unit 8734753
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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 .