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 E90 E81 E87 E85 Alternator Generator 150A N45 N46 Petrol Engine 7533270
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Starter BMW E60 Starter Motor Bosch 7515391 0001108401
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Alternator Mercedes W176 C117 X156 X117 Petrol Engine Generator A0009060803
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Starter Motor Ford Galaxy Mondeo S-Max TDCi Diesel Engine Starter 6G9N-11000-FA
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Transfer Box Module BMW X5 X6 E70 E71 Control Unit ECU ATC700 7566297
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Volkswagen Fox 1.2 Petrol CHFB 55HP Engine Control ECU Manual 03D906023Q
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BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Peugeot 5008 2.0 HDI DW10C Diesel Engine Control Unit ECU 9667082380
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BMW Z4 E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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Mercedes W124 E280 Comfort Control Module Unit ECU A2028200926
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Volkswagen Golf Mk5 2.0 TFSI Petrol Alternator Generator 06F903023HX
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Fuse Box Mercedes W212 Battery Terminal Control Unit Module A2125400450
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Mercedes W221 Rear View Reversing Camera Control Unit Module A1645430062
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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400
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Ford Transit Mk7 Relay 5-Pin Black Unit FoMoCo 6G9T14B192DA
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BMW E87 E90 N46 118i 318i 129HP ECU KIT DME 7561834 CAS2 Key Automatic
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Mercedes W212 E63 AMG Drive Unit Extended Control Module ECU A0009009903
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VW Volkswagen Touran Body Control Comfort Unit Module BCM 3C8937049D
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Mercedes R171 SLK200 271.944 163HP Engine ECU Kit A2711534691 Key Lock Ignition
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BMW E90 LCI Footwell Light Control Module LCM LED Basis 9249083
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BMW G30 Engine Wiring Loom Harness Ignition Module 8482313
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Engine Basic Control Unit Mini R50 R52 W10 ECU DME 7545789 Automatic
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BMW G11 G30 G31 X4 F26 Telematics Module Bluetooth Control Unit ECU 2447787
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Mercedes-Benz A B W176 W246 160 180 CDI Transmission Control Unit Module ECU
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MINI One R50 R52 W10 90HP Engine Control Unit Module ECU DME 7553735 Manual
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Hyundai H-1 Safety Module Air Bag SRS Control Unit ECU Module 95910-4H600
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BMW F20 F21 F22 F30 F31 LCI Head Unit Media DAB Navigation Professional 8804457
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519000700 Key Lock
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BMW F80 M3 F82 F83 M4 S55 431HP Engine Unit Module ECU DME 8642252 Drivelogic
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Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU 03L906022JM
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Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459D
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Mercedes C219 Fuse Box Rear Relay Control Unit Module A2115456701
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Automatic
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Audi TT 8J Gateway Control Unit Module 7N0907530AL
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BMW 5 6 Series E60 E60N E61 E61N E63 Terminal B Point Engine Compartment 6923945
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BMW F80 M3 F82 M4 S55 431 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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Citroen Berlingo Peugeot Partner Body Control Module BSI Unit 967847688001
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Mercedes W246 Airbag Belt Locking Retractor Control Unit Module A2469006018
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Mercedes W176 Oil Pump Adapter Solenoid Valve Wiring Harness M270 A2701503920
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BMW E46 N42 316i 318i Petrol Engine Alternator Generator Remy 7521382
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Mercedes W204 W205 W212 A207 X253 Engine Starter Motor Petrol Denso A2749061600
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Mercedes W212 W221 Rear DVD Entertainment System Video Player Unit A2128703689
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BMW GT G32 ECU Body Domain Controller BDC Comfort Unit Module 8715804
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BMW E87 E90 E91 118i 318i N46 129HP ECU KIT DME CAS2 Key 7561834 Manual Gearbox
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Gearbox Module Mercedes S203 W203 C200 Automatic Control Unit ECU A0325453232
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SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module
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Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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SD Card Mercedes W205 C238 Garmin Map Pilot Navigation Europe A2139063605
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Mercedes X218 CLS350 Airmatic Suspension Self Leveling Module A2189008903
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Audi TT FV Air Module ECU Control Unit Crash Sensor 5Q0959655P
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Engine Wiring BMW F10 F11 N57Z Diesel Gearbox Loom Module Harness 8581872
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Seat Ibiza 6J VW Polo 6C 6R Air Module Unit Control Unit ECU Bosch 6C0959655L
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Audi A5 8T Battery Starter Alternator Harness Wiring Cable 8K0971228B
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BMW E60 M-Audio System Controller Navigation Head Unit 6948351
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Fuse Relay Mini Cooper One R50 R53 Electrical Box Housing With Cover 148079
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Antenna Amplifier BMW X4M F98 G02 Radio Signal FM2 DAB Amplifier Module 6840269
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Seat Ateca FR 2.0 TDI Engine Alternator Generator Valeo 14V 140A 04L903021D
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Mercedes W205 Front Door Module Right O/S Control Unit ECU A1679008711
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Audi A3 8P Air Module Control Unit ECU Module 8P0959655P
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Mercedes W221 Remote Trunk Closing Hydraulic Pump Motor Unit A2218001548
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TV Function Module BMW E65 E66 E67 Video Control Unit Tuner 6933866
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Renault Trafic II Control Unit Body Control Module BCM ECU P8200943317
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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 .