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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Volkswagen Golf Mk5 1.9 TDI 105HP BXE Engine ECU Kit 03G906021KH Ignition + Key
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Door Module Mercedes W205 Front Right O/S Door Control Module Unit A2059000628
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Wireless Charger BMW F90 M5 G30 Centre Console Phone Module Unit 6801509
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ECU Kit Mini One R55 R56 R57 N12 95HP DME 7589971 + CAS3 + Key Manual
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Land Rover Freelander 2 2.2 Diesel DOHC Engine ECU Module 6G9112A650AE Manual
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Audi A4 B9 A5 F5 Q5 FY A6 C8 A7 C8 Alternator Generator Valeo 04L903018A
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Mercedes W169 Fuse Box Cover Trim Panel A1695450003
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Starter Mercedes W204 W212 Diesel OM642 Starter Motor 1005831549
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Mercedes W906 OM646.985 109HP Engine Unit Module ECU Kit Key A6461506378
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BMW X3 3 Series E83 E46 Battery Cable Plus Pole 6910539
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Mercedes CL203 CLC 350 M272.960 272HP Engine Module ECU Kit A2721531291 2 Keys
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Mini Cooper One R55 R56 N12 DME 7573701 Petrol Engine Control Unit ECU Manual
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Citroen Berlingo B9 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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BMW Z4 E89 Head Unit Stereo Professional Navigation System Computer CIC 9214939
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Mercedes W211 E220 CDI 646.821 170HP Engine Unit ECU Kit A6461503272 Key Lock
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VW Volkswagen Phaeton 3D Rear Tailgate Boot Lid Control Module Unit 3D0909610B
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Alpine CHM-S630 6-disc Compact CD Changer Multichanger Digital Audio
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Audi A4 B8 3.2 FSI Alternator Generator 06E903016S
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Parking Brake Module BMW F10 M5 F12 F13 M6 Control Unit Lock Module 2284105
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Jaguar XF X250 Diesel Engine Starter Motor 12V DENSO 8X2311001AA
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Peugeot 3008 Yaw Sensor ESP Rotation Rate Acceleration Control Unit 9664661580
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BMW E60 E87 E90 E91 120d 320d 520d M47N2 ECU Kit DDE 7798180 CAS2 + Key Manual
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BMW 3 X5 Series E46 E53 M54 Automatic Gearbox Basic Control Unit EGS 7508145
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Remote Control Receiver BMW X5 G05 U06 Mini F65 Receiver Radio Module 5B4E029
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Engine Wiring Harness Mercedes W204 M271.820 Petrol Loom Cable A2711508833
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Mini Cooper R55 R56 R57 Mitsubishi Engine Alternator Generator Petrol 7576921
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BMW E60 E61 LCI E90 E91 E92 CAS3 Control Unit Key Reading Module 9147190
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Engine Sound Generator Mercedes W177 W213 GLC C253 Front Rear Unit A2239016902
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Audi A1 8X Body Control Module Unit ECU 8X0907063K
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BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE 7805349 Manual Transmission
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Audi S6 C6 Steering Wheel Multifunction Wiring Loom 4F0971589A
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Audi Q5 FY Front Windscreen Windshield Lane Assist Camera 80A907217A
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DDE 8486844 BDC Key
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Engine Control Unit BMW F10 F30 320d 520d N47N 184HP ECU DDE 8518423 Manual
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Gearbox Module Mercedes W177 W205 W213 Control Unit ECU Automatic A2139003217
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VW Golf Mk5 Gateway Module Diagnostic Interface Control Unit ECU 1K0907530E
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Battery Terminal Citroen Relay Peugeot Boxer Positive Fuse Box A878
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BMW 1 3 E87 E90 120i 320i N46 150HP Engine Control DME Module 7561834 Manual
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BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 911942
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BMW X3 X5 E53 E83 M57N2 Alternator Generator Diesel Power 150A 7797661
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BMW E90 LCI Junction Box Body Control Module H1 PL2RR JBBFE IIIR 9226328
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Volkswagen Golf CD1 Park Parking Assist PDC Distance Control Module 5R3919294
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Mercedes C219 Fuse Box Rear Relay Control Unit Module A2115456701
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Audi A6 C7 Voltage Converter Stabilizer Control Module Unit ECU 8K0959663F
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Relay Mercedes W124 E280 Fuse Box Light Control Relay A1265420332
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REM Control Unit BMW F20 F30 F31 F34 Electrical Body Control Module V2 9362395
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BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022065
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BMW F10 F20 F30 Control Unit For Fuel Pump Module 7411595
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Mini Cooper R55 R56 N12 DME Petrol Engine Control Unit ECU 7600020 Automatic
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BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687
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Mini Cooper R57 R58 R60 Amplifier Control Unit Hifi Harman Kardon 9217878
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VW Polo 6R Seat Ibiza 6J Body Control Comfort Unit Module BCM 6R0937087H
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BMW 3 Series E46 318i Petrol N42 Engine ECU Control Unit DME 7508292 Manual
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Part no. 7540992-2
Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A 7540992
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BMW E87 LCI Body Control Module Junction Box ECU PL2RR JBBFE IIIR 9267421
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VW Volkswagen Touareg 7L Radio Player Navigation Sat Nav Head Unit 7L6035191R
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BMW 5 7 Series E60 E61 E65 E66 Front Seat Transmission Bracket Arm 7068054
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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Mercedes C219 Front Fuse Box SAM Relay Control Module A2115457301
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 7823973 CAS3 + Key
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Audi Q3 8U A1 8X BCM Body Control Unit Module ECU 8X0907063N
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Mercedes W253 Display Screen Monitor Radio Sat Nav Navigation Unit A2539003809
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BMW E84 ECU Body Control Module Junction Box PL2RR JBBFE IIIR 9267421
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Audi A4 B8 Body Control Unit Basic Module BCM 8K0907063
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BMW 1 Series F20 F21 Front Bumper PDC Loom Cables Wiring 9251727
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BMW Mini Cooper R56 LCI R60 R61 Petrol N16 DME Engine Control Unit ECU 7615981
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Audi A6 C7 Gateway Convenience Module Unit Body Control ECU 4H0907064FN
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Ford Transit MK7 Diesel Engine Wiring Cable Harness CC1T-12B637-BAE
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PDC Module BMW F40 G20 G21 Parking Assistant Control Unit Module ECU 9873545
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VW Polo 6R V GTI 1.4 TSI CAVE 180HP Engine Control ECU Kit 03C906027AR Automatic
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BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R 6827065
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BMW 3 5 E60 E61 E90 LCI 1 Display Screen 8.8" Monitor Sat Nav 9193745
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Mercedes W204 CD Player Radio Stereo Navigation Sat Nav Head Unit A2049009410
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BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
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Mini Cooper One R55 High SPEG DC/DC H3 Fuse Distribution Box 3451927
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BMW F20 118d F30 318d 143HP N47N Engine ECU Kit DDE 8576341 + Key + FEM Manual
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CAS2 Module BMW E87 E90 CAS2 ECU Comfort Control Unit 61356964051 6964051
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Mini F56 B38 1.5 136HP Petrol Engine ECU Module DME 8655106 Manual
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Audi A5 F5 Rear Hatch Tailgate Boot Lid Control Module Unit ECU 8W8959107D
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BMW E64 E85 Sensor B Pillar Air Module Unit Left N/S 6940299
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Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700196
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Mercedes W176 W246 Emergency Call Switch Roof Wiring Cable Loom A2465402710
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Mercedes W163 ECU Start Engine Control Unit Immobilizer Ring A1635454032
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Audi A5 F5 Camera Control Module Unit ECU 4M0907428F
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BMW E38 E39 Basic Control Unit Module ABS ASC Computer ECU 1164130
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BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675
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BMW Mini Cooper One R56 Cover Multifunction Box Right O/S 2752524
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BMW E60 E90 N52 325i 525i ECU Kit Control Unit DME 7577968 CAS2 Key Automatic
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Mercedes W205 X253 Distronic Radar Sensor Cruise Control Unit Module A0009005109
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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 .