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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Head Unit BMW F40 F44 Radio Player Navigation Control Module Alpine 5A291C5
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BMW E90 Light Module ECU 61359128183 9128183 9128223 PL2FRMFA
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Peugeot 3008 1.6 HDI T84 DV6-C Engine Control Unit Module ECU 9675391480 Manual
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Ford Focus MK2 Mondeo MK4 1.8 TDCI Glow Plug Wiring Loom Cable Wire 4M5Q6M091AB
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Mercedes CLS W219 Battery Fuse Box Control Unit Module A2119820402
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Mercedes ML W166 PDC Parking Distance Control Unit Module Sensor A1669002307
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Starter Motor BMW E60 E83 E87 E90 Diesel Engine Starter Actuator NAPA NSM1060
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BMW X1 F48 Mini F55 F56 LCI B+ Junction Terminal Power Distribution Box 8792232
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On-Board Screen BMW F30 F31 Central Information Display Monitor 8,8" 9281688
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VW Volkswagen Crafter 2.0 TDI CKTB 109HP Engine ECU Kit 03L907309 Manual Gearbox
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BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8699973 Dual Clutch
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7641003 CAS3 Key Manual
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Volkswagen Caddy 1.6 TDI CAYD C20 102HP Engine Unit ECU Manual 03L906023PC
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Mercedes W907 315CDI OM654.920 Engine Unit Module ECU Kit A6549009400 BCM + Key
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Navigation System BMW X3 E83 Z4 E85 Mini R50 R52 DVD GPS Computer Unit
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BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9381020
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Door Module Mercedes Vito W447 Rear Right O/S Door Control Unit A4479000101
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BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675
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Mini F54 F55 F56 F57 F60 Petrol B36 B38 B46 B48 Engine Starter Motor 7645979
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BMW E90 E91 E92 E93 AHK Towing Hitch Tow Bar Control Module Unit ECU 6773731
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Mercedes A209 CLK200 K M271.955 Engine Control Unit ECU Kit A2710107344 Key
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Starter Ford Transit MK8 Custom V363 2,2 Tdci Starter Motor BK3T-11000-CB
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Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026
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BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9163348
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Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533
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BMW E60 E81 E87 E90 E91 CAS 3 Control Unit ECU Key Reading Module CAS3 9147195
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ECU Mercedes C205 C250d Diesel OM651.921 204HP Engine Control Unit Automatic
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Alternator BMW F20 F21 F30 F31 F36 Petrol N55 Generator 210A 7616120
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Mercedes-Benz A B W169 W245 Front Left Door N/S Control Unit Module A1699000100
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BMW E90 E91 LCI N47N 320d 163HP Engine ECU KIT DDE 8510829 + CAS3 + Key Manual
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Audi A4 B7 2.0 TDI Negative Battery Terminal Earth Cable Lead 8E1971235L
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Mercedes Sprinter W906 Turn Rate Sensor Module Control Unit A0065424218
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Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Automatic
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BMW E90 Light Control Module ECU Unit PL2 FRMFA Lear 9128183
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Mercedes C209 Engine Kompressor 5 Speed Gearbox GSG Module Control A0015453716
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Audi Q3 8U 2.0 TDI Fuel Pump Sender Control Relay Module Unit ECU 5Q0906121F
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Peugeot 207 Airbag Module ECU Control Unit Sensor Air Bag 9663593380
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BMW 1 Series E87N LCI Light Module LOW LCM Footwell Module PL2 FRM II 9166706
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Immobilizer Antenna Ford Transit MK8 Control Module Unit BK2T15607AC
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Mercedes W910 Engine Hood Microswitch Cable Wiring Loom Harness A9079821100
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BMW F15 Top Hifi Audio System AMP Amplifier Harman Kardon 9330058
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Mini One R50 W10 90HP Engine Control Unit ECU Kit DME 7545789 + EWS + Key Manual
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Mercedes Sprinter W906 Parking Control Unit Module Sensor PDC A9069001002
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VW Polo 4 9N 1.4 TDI Seat Skoda Diesel Engine Alternator Generator 045903023A
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Fuse Box MINI R56 LCI Cooper One PL3 SPEG H5 Distribution Control Unit 3456852
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Mercedes W211 Negative Battery Terminal Cable Wiring A2115420418
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BMW E39 E46 E60 E65 X3 E83 M54 Petrol Starter Motor 7515392
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Merceedes W211 E280 CDI OM642.920 Engine Control Unit ECU Kit A6421509177 Key
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Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
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Mini R56 LCI R60 143HP 2.0 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
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Audi RS3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294K
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Mini Cooper F56 Wiring Loom Front Left N/S Door Cables 6809486
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Audi A4 S4 B6 A7 4B Crash Impact Sensor 8E0959651
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BMW E46 Wing Mirror Memory Control Unit Module ECU 8386427
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VW Volkswagen Golf Mk7 Front Impact Crash Air Module Sensor 5Q0959655AA
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BMW F10 F11 F12 F13 N57N Diesel Alternator 210A Valeo 8515754
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BMW E81 E87 LCI E90 E91 120d 320d N47 ECU KIT DDE 8506438 CAS 3 Key Automatic
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Starter BMW E60 520d M57N2 Diesel Engine Starter Motor 7796892
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BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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Mini R57 Convertible ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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Antenna Amplifier BMW Z4 E85 E86 Rod Antenna Unit Module 9119578
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Mini F55 Petrol Engine ECU Control Module Unit 6821977
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Audi Q7 4L Body Comfort Control BCM Onboard Supply Module Unit ECU 4L0910553L
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Door Cable Mercedes W212 Wiring Loom Front Right O/S Driver Side A2124401251
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BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 6938943
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Land Rover Range Rover L322 3.0d M57 306D1 Gearbox Control Unit Module TGB000091
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BMW F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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Mercedes W204 C180 156HP Kompressor M271.910 Engine ECU A2711504279 Manual
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BMW X3 F25 X4 F26 B47 Diesel Engine Harness Wiring Loom Cable 8516262
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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 .