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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Audi Q2 GA USB Adapter Port Socket Connector 81C035726
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Mercedes W212 E300 Hybrid 651.924 231HP Engine ECU Kit A6519009102 Key Lock
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BMW E90 LCI Amplifier Hifi Speaker System Control Unit Module 9143156 6960925
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Mercedes W176 W246 USB Interface Multimedia Adapter Connector A1728201700
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Audi TT 8J Parking Sensor Wiring Harness Cable PDC Rear Bumper 8J0971085D
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Mercedes W205 Front Air Module SRS Control Unit ECU A2059009427
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Body Control Module BMW X5 E70 ECU Junction Box High PL4 JBBFEII 9146035
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Halfords Advanced 12V AGM 096 Start Stop Accumulator Battery 70Ah 760A
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BMW E90 Light Module Xenon Footwell Control Unit Module ECU PL2 FRM II 9153779
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Head Unit BMW F07 GT Car Infotainment Computer Sat Nav Multimedia DAB 9275510
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Seat Leon Mk3 Headlight Module Left Right N/O/S Headlamp Ballast 7P5941591AD
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BMW 3 Series E90 E92 E93 M3 S65 Starter Motor Petrol 7837775
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BMW E65 Antenna Amplifier Rear Window Antenna 868MHZ 9167132
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BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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Peugeot Partner MK2 YAW Sensor ESP Rotation Rate Acceleration Unit 9811908880
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BMW F01 F10 F20 F30 LCI ACC Front Radar Sensor Module Unit 6877096
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Vespa Piaggio 125 GTS CDI Ignition Module Control Unit 58053R
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Mercedes W176 W246 Gearbox Transfer Case Control Module Unit ECU A2469008115
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Mini One R55 R56 Petrol N12 1.4 ECU Kit DME 7640004 CAS3 + Key Automatic
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BMW Z4 E89 Roadster 18i N20 156HP ECU Kit DME CAS3 + Key 8631727 Manual
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Mercedes Sprinter W910 Fuse Box Control Unit Module A9105405910
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BMW EXIDE AGM 12V Accumulator Battery 90Ah 900A 7575575
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Peugeot 5008 2.0 HDI Diesel Injector Wiring Loom Cable 968824678
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Mini Cooper R55 R56 Petrol N12 1.6 ECU Kit DME CAS3 + Key 7640004 Manual
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Ford Mondeo Mk4 Battery Terminal Cable Wiring Connecting 8G9T-14A280
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Vauxhall Opel Insignia A 2.0 CDTI Alternator Engine Genarator 13579668
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Audi A4 B8 A5 8T Diesel 2.0 TDI Starter Motor Manual 03L911024
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Mercedes W205 C 220d 651.921 194HP ECU Kit A6519005203 SAM 2 Keys Lock Automatic
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Audi Universal SD Card Map Pilot Navigation Europe 2016 8X0919884J
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Mini Cooper R55 R56 N12 1.6 120HP Engine ECU Kit DME 7600020 + CAS3 + 2 Keys
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Gateway Module BMW F10 F11 Central Control Unit Lear ZGW-01 High 9236462
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BMW X5 X6 E70 E71 Navigation System Car Sat Nav Computer Head Unit CIC 9222855
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Mercedes-Benz W202 C208 W208 Parking Sensor Wiring Cable Rear PDC A2085403508
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BMW 1 3 Series E81 E87 E90 E91 1 Radio BMW Business CD Player 9141682
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Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038206426
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BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM II Lear 9197162
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BMW F87 M2 370HP N55 Engine Control ECU Kit DME 8693361 + FEM + Key Twin Clutch
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BMW E81 E87 LCI E90 E92 120d 320d N47 ECU Control Unit DDE Module 8506438
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BMW X3 G01 ECU Body Control Module Unit 8725623
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BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
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BMW 1 Series E87 ECU Light Module Control Unit NSW PL2 FRM II Lear 9204525
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BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5" 9179808
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BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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Mercedes W205 Adblue Module Exhaust Gas Control Unit ECU BlueTEC SCR A0009006706
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Audio Amplifier Mercedes R171 W211 C219 Sound Harman Kardon Module A2118701489
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BMW F46 218i B38 136HP Engine Control Unit ECU Kit DME 8674260 FEM + Key Manual
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BMW E53 PDC Parking Control Module Unit PDC 6916407 66216916407
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Mercedes-Benz S-Class W221 Air Pump Valve Pressure Sensor A0025407097
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BMW 1 Series E81 E87 E87N Positive Battery Lead Cable 61126929715 6929715
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BMW E81 E87 LCI E90 E91 Petrol N43 Engine Control Unit ECU DME 7595179 Manual
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6974020
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BMW E87 LCI E90 118i 318i Petrol ECU Engine Control Kit N43 DME 7579142 CAS3 Key
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Starter BMW G20 G21 G30 G31 G01 Engine Starter Motor 8671504
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DriveTec Heavy Duty 12V Accumulator Battery 60Ah 540A DM075
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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 Cooper One R55 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
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Volkswagen Polo 6R BCM Body Comfort Control Module Unit ECU 6R0937085B
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Mercedes SLK R172 Battery Cable Starter Alternator Wiring Harness A1725409713
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BMW E60 E90 330i 530i N52 258HP ECU Kit DME 7553166 + CAS2 + Key Automatic
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Alternator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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BMW F20 VeeHive CCC Android Apple CarPlay Retrofit Unit Module Cables
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BMW 5 Series 1 E60 E61 Armrest Centre Console Storage Tray Box Support
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BMW F90 M5 A/C Air Conditioning HVAC Wiring Harness Loom 6996979
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BMW E81 E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7809001 + CAS3 Keys Manual
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Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Kit A6519007500 Keys
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BMW E60 E61 E90 E91 330d 530d M57N2 Engine DDE Control Unit 7799856 Automatic
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Tuner Box Mercedes W207 W212 W218 Digital Audio Control Unit DAB ECE A2229002710
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Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Manual
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BMW 6 Series E63 E64 Driver Side Door Cable Harness Wiring 6928971
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BMW E81 E87 LCI E90 E91 N43 118i Engine ECU DME Kit CAS3 + Key 7578032 Manual
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Mercedes R170 SLK 230 Kompressor M111.973 Engine ECU Kit A0235458332 Key Lock
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Peugeot 5008 2.0 HDI Diesel Glow Plug Wiring Loom Cable 9688409680
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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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VW Volkswagen Fox 5Z 1.2 CHFB Engine Wiring Loom Harness Cable Loom 03D971595CJ
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Peugeot Partner Citroen Berlingo Mk2 Wiring Cable Loom Diesel Engine 9803029180
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Mini F55 F56 F57 F60 Fuse Box Grouping Fuse Placement Map Card Diagram 6846141
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Right Connections CFC Towing Hitch Trailer Hook Module Control Unit ECU TM005
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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 .