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. A2098200789
Mercedes CLK A209 Convertible Antenna Amplifier Module A2098200789
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Mercedes SLK R172 GPS Navigation System Screen Display A1729006613
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Mercedes W166 ML350 Bluetec 4-Matic OM642.826 Engine ECU Kit Module A6429000401
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BMW 3 E36 Coupe Saloon Aerial Antenna Amplifier Signal Booster Module 1387751
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BMW i3 I01 Holder Audio Amplifier Telephone Bracket Mount Trim 9251524
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Mini Cooper S R56 LCI N18 1.6 184HP Engine ECU Kit DME 8610006 CAS3 Key Manual
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Audi A6 A8 Q7 CAN Bus Jumper Contact Bridge Connector 4E0941817
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BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 9176953
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Audi RS4 B8 Front Door Wiring Harness Loom Plug Socket 4E0941817A
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Audi A6 C6 6-disc Compact CD Changer 4E0035111A
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BMW E60 E87 E90 LCI N47 120d 320d 520d ECU Control Unit DDE 7823420
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Dashboard Monitor BMW E60 E63 E90 E91 LCI Dash Display Screen 6,5" 9193758
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Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Mercedes W204 Seat Loom Cable Multicontour Pump Control Front A0009102675
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Audi A5 8T Coupe Front Door Wiring Loom Harness Driver's Side 8T0971035A
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Tailgate Lift Module BMW G20 G30 G12 Rear Boot Trunk Lid Control ECU 5A19DB2
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BMW X5 X6 Series E70 E71 TV Video Module Control Unit ECU 9146615
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BMW 1 3 5 Series E60 E61 E87 E90 E91 N52 Alternator Generator 155A 7543083
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Peugeot Partner Diesel Glow Plug Wiring Loom Cable Wiring 9670855680
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Range Rover Evoque L538 Speaker Audio Amplifier Module Unit EW93-19C164-AB
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Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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Mercedes W204 C180 156HP Kompressor M271.952 Engine ECU Kit A2711502779 Key
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Mini Cooper D R55 R56 Diesel W16 109HP ECU Kit DDE 7823934 CAS3 Key Automatic
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Mini Cooper D R55 R56 LCI R60 N47N 1.6 112Hp Diesel ECU Kit DDE 8519663 CAS3 Key
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Mercedes C205 Keyless Go Module Unit Bracket Mount Holder Support A2055455440
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BDC Module BMW X5 F15 Body Domain Controller BDC Unit 9355750
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BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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BMW X5 E53 3.0i Petrol M54 Alternator Valeo 140A 7551252
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Mini Cooper S R56 LCI N18 184HP ECU Kit Control DME 7613226 CAS3 Key Automatic
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Parking Module Mercedes W169 W245 PDC Distance Control Unit Sensor A1695400762
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Mercedes C117 W176 A180 W246 M270 Engine Wiring Harness Cable Loom A2701501633
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Mercedes W212 Engine ECU Module Wiring Loom Harness Socket OM651 A6519003701
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BMW E60 E65 Petrol 530i 730i M54 Engine Control Unit DME 7527072 Automatic
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Mini Cooper F55 F56 F57 LED Navigation Visual Boost 6,5" Display Screen
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Seat Ibiza IV 6J Radio Stereo Audio Head Unit Panel MP3 6J2035153G
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Mini Cooper One D R50 W17 Alternator Generator 130A 7790879
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BMW F20 F21 114d 116d Diesel N47N Engine Control Unit DDE 8573260 Manual
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Mercedes ML W164 W251 SAM Module Control Unit ECU A1649004600
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BMW X1 E84 Radio Navigation Head Unit Android CarPlay Display 10.25 XRC8667
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Audi Q7 4M Rear Bumper PDC Parking Sensor Wiring Harness Loom 4M0971104CB
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BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147184
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Mini One R56 LCI R60 90HP Diesel N47N Engine ECU Kit DDE 8506666 + CAS3 + Key
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Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935
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Ford Transit Connect Mk2 Alternator Generator 165A 1.5 Diesel JX6T-10300-KB
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BMW Mini Cooper One R50 R53 Radio Wave Stereo Cassette Tape Player 6909665
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Mercedes ML W164 Control Unit Module Fuse Box SAM A1645404601
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Mercedes R171 SLK200 M271.944 163HP Engine Control ECU Kit A2710106644 Key Lock
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BMW E60 E61 E63 E85 Air Module Control Unit Module ECU ACSM 9172018
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BMW E88 Body Control Module ECU Unit JBBFE IIIR H4 PL2RR 9270386
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BMW 1 Series E87 LCI Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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BMW E60 E61 E63 Professional CCC Navigation System Controller 9156230 DAMAGE
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BMW 1 3 Series E81 E87 E90 E91 Cigarette Lighter Socket with LED 9175932
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BMW F20 F30 116i 316i N13 Engine ECU KIT DME 8603352 + FEM + Key Manual
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BMW F30 Fuse Box Relay Control Unit Module 9314235
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High Voltage Inverter BMW i3 I01 Hybrid 60Ah Rex Electrical Machine Electronics
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Mercedes W176 Radio Control Function Button Knob Controller Unit A2469009802
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Audi Q7 4M Rear Hatch Boot Lid Tailgate Opening Control Module Unit 80A962243
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Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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Ford Galaxy Mondeo MK4 2.0 TDCi Alternator Bracket Mount Support 4M5Q-10239-CC
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Porsche Cayenne 92A Radio Navigation Head Unit Control Panel Screen 7PP919193CL
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Seat Exeo 3R Headlight Range Control Unit Module ECU 5M0907357D
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BMW E60 E61 E63 M-ASK M-Audio System Controller CD Player 6983843
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BMW 5 Series E60 E61 CCC CD Professional Navigation Controller 6951856
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BMW Z4 E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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BMW F40 F45 X1 F48 Mini F55 F56 Control Unit SAS Module ECU 9505275
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BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8603352 Manual
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BMW F40 MINI F56 F57 F60 Control Unit Box Cover Trim Bracket 8581370
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Mini Cooper One 1 R55 R56 R57 Radio Boost CD Player Head Unit 3455539
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Multimedia Switch Mercedes X156 C117 W176 CD Player Radio Head Unit A2469009512
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Mini Cooper S R56 LCI N18 1.6 Engine Control Unit ECU Kit DME 7639049 CAS 3 Key
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Audi Q7 4M Rear Boot Lid Tailgate Opening Module Cable Wiring Line 4M8962239
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Wiring Harness Mercedes W212 Dashboard Dash Wiring Cable A2124400613
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BMW Z4 E85 Rear Bumper Antenna Mounted Aerial Unit FM 6912244
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Headlight Module BMW F40 LED Headlamp Control Unit Lear FLM 2 LOW 7933357
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BMW X3 Series E83 3.0d M57N2 218HP ECU DME Unit 7801217 Automatic Transmition
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Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
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Hyundai H-1 2.5 CRDI Alternator Generator 373004A310
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Citroen Berlingo Peugeot Partner Body Control Module BSI Unit 967847688001
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Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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BMW X5 E53 3.0d M57 184HP ECU Kit DDE 7789376 + EWS3 + Keys Automatic
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Volkswagen Touareg 7P Air Module ECU Control Module Unit 7P0959655B
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BMW X1 E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9263797
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BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid 9284421
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Mercedes A160 W169 M266.920 Engine Control Unit ECU A0024463140 Automatic
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Porsche Cayman 987C Tyco Fuse Relay 12V 30A 5 Pins X2 Set V23234-C0001-X006
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Peugeot 308 Citroen Berlingo Negative Battery Terminal Cable Wiring 9661191580
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Audi A3 RS3 8V 5Dr Door Harness Loom Wiring Rear Left Right N/O/S 8V4971687K
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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 .