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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Mini Cooper Cabrio 1 R57 Aerial Roof Antenna Base Unit 3453891
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7586134 + CAS3 + Key Manual
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9287218
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Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 240809677R
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Key Manual
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
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BMW 1 Series E87 ECU Body Control Module H2 Junction Box PL2 JBBFE II 9187539
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VW Volskwagen Polo 6R Multimedia Electronic Control Interface Module 5N0035342F
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Mercedes ML W166 PDC Parking Distance Control Unit Module Sensor A1669002307
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Fiat Doblo 1.6 Diesel Alternator Generator Denso 120A 14V 51854902
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Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DME 8635624 BDC Keys
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Display Screen BMW F30 F31 F32 F33 Central Information Display 8,8" 9292248
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Mercedes W207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
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BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A 2248296
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BMW F15 I01 Mini F55 F56 F57 PDC Module Parking Assistant Control Unit 9350707
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Mercedes W166 W221 Auxiliary Additional Generator Battery A0049820008
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Mini R50 One 1.6i W10 90HP Engine ECU Kit DME + EWS3 + Key 7545789 Automatic
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BMW E90 E91 E92 Professional CCC Navigation System Controller 9185536
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BMW X5 E70 Power Distribution Fuse Box Front Control Unit Module 6976384
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BMW E88 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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YAW Rate Sensor Mercedes W203 W209 R171 Accelerator Speed Module A0045429218
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BMW E46 E64 Front Seat Module Control Unit Memory 7067801
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Mercedes SLK R172 Dashboard Screen Multimedia Display Monitor A1729011402
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BMW E81 Light Module NSW Footwell Module PL2 FRM II 9159813
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Mercedes W213 C238 Air Suspension Valve Block Control Unit Module A0993200258
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BMW E90 E91 E92 E93 LCI Diesel N57 Alternator 150A 7808073 7805432
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BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 9119493
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch 0986024980
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Display Screen BMW F30 F31 F32 F33 Central Information 8,8" 6822626
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BMW E87 LCI E90 N43 116i 118i 320i DME Engine Control Unit 7583225
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Smart Opener Module BMW F01 F07 F10 F30 Trunk Open Control Unit ECU 7422700
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Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
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BMW 1 Series E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9230454
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Audi A4 B8 A5 8T A6 C7 Remote Radio Alarm Key Button Control 868 MHZ 8T0959754D
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Audi A6 C6 Door Module Front Driver's Side Control Unit ECU 4F0959793R
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BMW F07 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9275509
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BMW Mini Cooper One R50 R53 Aerial Base Roof Antenna 6920279
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BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9159034
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Mercedes-Benz A-Class W169 Airbag System Control Unit Module ECU A1698202185
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Mini R55 R56 Audio Amplifier Harman Becker Hi-Fi System Booster 3451405
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Seat Ateca Mk3 Headlight Module Headlamp Ballast Left Right N/O/S 7P5941591AH
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Steering Wheel Horn Mini R50 R52 R53 Switch Left Right N/O/S 1172243
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7641003 CAS3 Key Manual
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Mercedes Vito W447 Front Fuse Box Relay Control Unit Module A4479060117
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Seat Module BMW E60 E61 E65 E66 Front Left Right N/O/S Control Unit ECU 6927315
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BMW F20 116i 118i N13 Petrol Engine ECU Control Unit Module DME 7634297
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Starter Motor BMW E60 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Unit NSM1504
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Volkswagen Golf Mk5 1K GTI 2.0 TFSI BWA 200HP Engine ECU 1K0907115F Manual
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BMW 5 X5 Series E53 E60 E61 PDC Parking Ultrasonic Sensor Rear Black 6989068
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Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6961364
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Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655
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Ford Transit Mk7 6000cd Radio CD Player Head Unit 8C1T18C815AC
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Air Module Mercedes W211 CLS C219 SRS Control Unit ECU A2118702626
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BMW 1 3 E87 E90 E91 E92 M47N2 M57N2 Alternator Bosch Diesel 150A 0 986 080 580
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Renault Trafic III Vauxhall Vivaro B 1.6 dCi Engine Starter Motor 233000106R
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Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187
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Land Rover Freelander 2 Radio CD Player Stereo Audio Head Unit 6H5218845AC
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Mercedes GLC X253 Central Display Dashboard Infotainment Screen A2539006905
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Audi A4 B8 2.0TDI CAHA 170HP Quattro Engine ECU Kit Ignition + 2 Key 03L906022RM
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BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9181326
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Mini Cooper Clubman R55 R56 W16 1.6 Diesel Engine Starter Motor 7802945
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Mini Cooper R55 R56 R57 R58 Petrol Engine Alternator Generator 7576921
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Telematics Module BMW F01 F07 F10 Bluetooth Combox Telematik ECU 9244188
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BMW 1 3 Series E81 E87 E90 E91 120d 320d N47 Engine Control Unit ECU DDE 7811700
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BMW X3 E46 E60 LCI E83 E87 Starter Motor 2.0KW Diesel M47N2 7787354
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Mercedes W164 OM629 Diesel Engine Motor Wiring Loom Cable Harness A6291501933
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Airbag Module Citroen Berlingo Peugeot Partner Air Bag Control Unit 9803916880
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Mini R57 R58 R60 Bluetooth Combox Control Module Audio ECU Harman Becker 9248315
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Mercedes W906 311CDI OM646.985 109HP Engine Unit Module ECU A6461506378 Manual
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Mercedes Sprinter W906 Mechatronic Automatic Gearbox Control Unit A9062700060
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Mini Cooper One R50 R52 W10 Engine Starter Motor 7570487
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BMW E39 Saloon Rear Third Stoplamp Stop Lamp Brake Light 8360568
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Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332
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REM Module BMW F20 F30 Rear Electronic Fuse Box Control Unit V2 ECU 9317176
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Audi A6 C7 Audio Sound System Amplifier Bose 4G0035223C
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BMW E46 318i M43 118HP Engine Unit ECU Kit DME 1430940 EWS3 Key Manual
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Mini Cooper R56 Fuse Box SPEG High DC/DC H4 3455235
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Mercedes CLS W219 Head Unit CD Player Navigation Radio Audio Unit A2119060700
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Audi A3 8V 1.6 TDI Fuel Pump Sender Control Relay Module Unit ECU 5Q0906121G
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Land Rover Freelander 2 L359 2.2 Engine Alternator Generator 6G9N10300YC
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Mini R50 R53 6-Disc CD Changer Multichanger With Magazine 9131852
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702085
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Ford Transit Connect MK2 1.5 TDCI 101HP Engine Unit ECU GV6112A650KA Manual
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BMW E81 E87 E90 E91 E92 E93 6-disc CD Changer With Magazine 9133083
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Engine Wiring Loom Mini R50 Petrol W10 Module Harness Cables 7520321
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BMW 3 5 X5 Series E46 E39 E53 M57 3.0d DDE 7789376 Engine Control Unit Module
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BMW F01 F07 GT F10 F11 F13 Power Distribution Fuse Box Rear 9210857
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Mercedes ML GLC W164 X164 W204 Additional Backup Battery 12V 1.2Ah N000000004039
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Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
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Audi TT 8J Audio Amplifier Radio Lear Sound Unit 8J0035223B
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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 .