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 F20 F21 F30 116d 316d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Automatic
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BMW E60 E90 E91 325i 525i N52 218HP ECU Kit DME 7567178 CAS3 Key Manual
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BMW i3 I01 High Voltage Battery Wiring Cable Wire Harness Set 9346573
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BMW F20 F21 F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 9463373
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Audio Amplifier BMW F20 F21 F22 F23 Top HiFi Harman Kardon Control Unit 9343739
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BMW 5 Series E60 E61 Positive Battery Terminal Cable Plus Lead Loom 6925172
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BMW F36 LCI 420i B48 Engine Control Unit ECU Kit DME 9894912 FEM Key Automatic
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BMW F01 F02 F10 F11 F30 F31 Rear Top Side View Camera Module Control 9215011
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BMW E90 E92 E93 M3 Engine S65 420HP ECU Kit DME 7841981 + CAS3 + Key Twin Clutch
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Body Control BMW E87 E90 E91 E92 ECU Module Unit KL PL2RR JBBFE IIIR 9364821
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BMW 1 3 Series E81 E87 LCI 116i 1.6 N43 (122HP) ECU Kit DME CAS3 Key 7583225
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BMW F20 VDC Dynamic Adaptive Suspension System Control Unit Module ECU 6866397
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BMW F30 LCI Diesel 320dX 190HP B47 ECU DDE Engine Control Unit 8598759 Automatic
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BMW X5 E53 3.0d M57 Alternator Starter Cable Wiring Base B+ 7786861
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BMW F20 F30 F32 LCI 120i 320i 420i Petrol B48 184HP Engine ECU Unit DME 9894912
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BMW X2 F39 F45 F46 Automatic Gearbox ECU Control Module EGS Unit 5A20558
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Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6870277
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BMW E60 E90 325i 525i N52 218HP Engine ECU Control Unit DME 7561684 Manual
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BMW X1 F48 2.0dX B47 190HP Engine Control Unit ECU Kit DDE 8589145 Key Automatic
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BMW 6 Series E63 E63N LCI Centre Console Switch Centre DTC PDC 6941956
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BMW F10 F11 LCI 518d B47 150HP Engine ECU Kit DDE 8589141 CAS4 + Key Automatic
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BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 CAS3 + Key Manual
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BMW F06 F07 F10 F11 F12 Air Module Control Unit SRS ECU 6879829
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BMW F07N F10 F10N F11N Headlight Control Unit Module LED 7381018
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BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Unit ECU DDE 8576341 Automatic
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BMW E39 Z3 E36 Impact Sensor Side Air Module Control 6910678
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BMW F20 F30 120i N13 177HP Engine ECU Kit DME 8625241 FEM Keys Lock Automatic
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BMW 3 Series E90 E91 E92 E93 Engine Starter Motor 0 986 021 230
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BMW E46 Convertible Rollover Sensor Control Unit Module 6918515
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BMW F10 M5 F06 F12 F13 M6 S63N Engine Alternator Generator 14V 210A 7606628
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BMW F10 F11 KaFAS Camera Assist Speed Limit Control 9281720
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BMW E90 M-Audio Controller System Control Unit Module Navigation 9186215
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Right Connections Tow Bar Towing Hitch Module CAN Bus Control Unit SP329ZZC
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BMW X4 F25 F36 F85 F15 Shark Roof Fin Antenna Aerial Module Unit 9291486
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BMW 3 6 Series E46 E64 Headlight Control Level Sensor Bracket 8268997
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Wiring Loom BMW F01 F07 F10 F11 Cable Seat Passenger's Side Set 4182138
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Head Unit BMW F20 F30 Radio CD Player Multimedia Control Unit Alpine 9271716
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BMW X5 E53 E60 E65 N62 ECU Basic Control Unit DME 7544610 Automatic
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Light Module BMW F11 Control Footwell Lightning ECU Unit FRM3 9251975
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BMW F20 116i F30 316i 136HP N13 Engine ECU Unit DDE 8591073 Manual
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PCU Module BMW X3 G01 X4 G02 Power Voltage HBPO Control Module PCU Unit 5A45C32
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BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM + Lock Manual
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BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7803372 CAS3 + Key
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BMW F20 F21 LCI F23 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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BMW F20 F21 F22 MMI Display Central Information Infotainment Screen 8,8" 9281686
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BMW E93 Audio Radio Sound Amplifier Unit HIFI System Lear 9246187
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BWM X5 F15 X6 F16 M Audio Amplifier Sound System HiFi Unit Module ECU 9321075
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BMW Z4 E89 20i N20 184HP Petrol Engine ECU Kit CAS3 + Keys 8661466 Automatic
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6944499
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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 .